$$\def\|{&}$$

The diagram below is explained further on the page for the year 2000.

The diagram above to the left shows the positions of the planets Mercury through Neptune for the year 2000, relative to the Sun. Find the desired time of the year on the horizontal axis, and then go straight up until you cross the line of the planet of interest. Then go straight to the left to find the associated time on the vertical axis. That number is the time difference between the planet and the Sun, measured in hours: the planet is due South that many hours earlier (for a negative number) or later (for a positive number) than the Sun, and the rising and setting of the planet are also approximately that much sooner or later than those of the Sun.

If a planet is in the top part of the diagram, then it is visible after sunset. If the planet is in the bottom part of the diagram, then it is visible before sunrise. If the planet is close to the upper or lower edge of the diagram, then it is visible (almost) all night, and hence in opposition. If the planet crosses the center horizontal line (the location of the Sun), then the planet is in conjunction with the Sun. If the trajectories of two planets cross in the diagram, then those planets are in conjunction with each other. If a number of planets are close together in the diagram, then they are all in conjunction with each other.

The diagram above to the right shows how well the planets Mercury through Saturn are visible in the evening sky in the year 2000. The score is indicated for each planet separately and also for all planets combined. The score takes into account how bright the planet is, how long the planet is visible at night (visibility before midnight counts for more than visibility after midnight), and also whether the planet is so close to the Sun that the sky is not dark enough to see the planet. If the score is low then the planet is visible with difficulty or not at all during the evening.

For an explanation of the above pictures, see the page for the year 2000.

The last table on this page lists a number of noteworthy planetary phenomena during the listed year. The first column ("date") gives the date and hour, in the form year-month-dayThour in the Gregorian calendar, in Universal Time (UT). The second column ("pl") identifies the planet that shows the phenomenon:

pl Planet
Me Mercury
Ve Venus
Ma Mars
Ju Jupiter
Sa Saturn
Ur Uranus
Ne Neptune
Lu Moon

The third column ("*") provides the type of the phenomenon. The fourth column ("AU") shows the value (distance) in Astronomical Units, if applicable. The fifth column ("deg") gives the value of a relevant angle (declination $$δ$$, elongation $$E$$, conjunction spread $$σ$$, or ecliptic longitude $$λ$$) in degrees. Which angle it is for each phenomenon is shown below in column "?". Declinations and ecliptical longitudes are measured relative to the equinox of the date.

 ?
Explanation
p perigee
a apogee
+dδgreatest northern declination
−dδgreatest southern declination
cλconjunction (with the Sun)
oλopposition (relative to the Sun)
eEgreatest elongation
xaλpassage through the ascending node (zero ecliptical latitude)
xdλpassage through the descending node (zero ecliptical latitude)
bσleast conjunction spread (Mercury - Saturn)
Bσleast conjunction spread (Mercury - Neptune)
sσgreatest conjunction spread (Mercury - Saturn)
Sσgreatest conjunction spread (Mercury - Neptune)
Vλbegin eastward (prograde) acceleration
Pgλstationary point: begin eastward (prograde) motion
vλbegin westward (retrograde) acceleration
Rgλstationary point: begin westward (retrograde) motion

The calculations for the planets are based on the VSOP87 model (type A) of Laskar, and the calculations for the Moon are based on the most detailed model from [Meeus]. One position per day was calculated for each celestial object. The hour of the day for each phenomenon was determined by interpolation.

date pl *  AU deg
2000-01-02T17 Ma v  +328.92
2000-01-04T06 Sa −d +12.61
2000-01-04T12 Lu a 0.002717
2000-01-04T13 Lu V  +259.71
2000-01-04T20 Me −d −24.55
2000-01-06T09 Lu −d −20.96
2000-01-06T18 Lu c  +285.72
2000-01-08T06 Lu xd +303.68
2000-01-09T17
**
B  +101.42
2000-01-09T22 Me a  1.435
2000-01-12T03 Sa Pg +40.29
2000-01-16T12 Me o  +295.96
2000-01-19T21 Lu v  +100.82
2000-01-19T22 Lu +d +20.94
2000-01-19T22 Lu p 0.002402
2000-01-21T04 Lu o  +120.43
2000-01-21T09 Lu xa +123.68
2000-01-22T06
**
S  +137.65
2000-01-24T16 Pl −d −11.43
2000-01-24T18 Ne c  +304.07
2000-01-25T00 Ne v  +304.08
2000-01-25T00 Ne a  31.10
2000-01-29T04 Ve −d −22.40
2000-01-29T20 Me v  +318.78
2000-01-31T23 Lu V  +261.33
2000-02-01T01 Lu a 0.002711
2000-02-02T16 Lu −d −20.94
2000-02-04T12 Lu xd +303.77
2000-02-05T13 Lu c  +316.04
2000-02-06T03 Ur v  +316.80
2000-02-06T07 Ur c  +316.81
2000-02-06T18
**
B  +91.34
2000-02-07T04 Ur a  20.91
2000-02-11T02 Me xd +339.00
2000-02-14T22 Me e  +18.12
2000-02-16T07 Lu +d +20.96
2000-02-16T17 Ve xa +298.20
2000-02-17T02 Lu p 0.002437
2000-02-17T05 Lu v  +114.73
2000-02-17T20 Lu xa +123.62
2000-02-19T16 Lu o  +150.34
2000-02-20T01
**
S  +132.92
2000-02-21T12 Me Rg +347.18
2000-02-24T04 Me +d −2.37
2000-02-28T21 Lu a 0.002705
2000-02-28T21 Lu V  +268.57
2000-02-29T23 Lu −d −21.02
2000-03-01T15 Me c  +341.35
2000-03-02T09 Me V  +340.56
2000-03-02T19 Lu xd +303.22
2000-03-04T11 Me p  0.6242
2000-03-05T14
**
B  +90.48
2000-03-06T05 Lu c  +345.95
2000-03-06T10 Ve v  +321.30
2000-03-14T14 Lu +d +21.11
2000-03-14T20 Me Pg +332.78
2000-03-14T22 Lu p 0.002470
2000-03-15T01 Lu v  +108.24
2000-03-15T07 Pl Rg +252.90
2000-03-16T01 Lu xa +122.45
2000-03-19T04
**
S  +135.03
2000-03-20T04 Lu o  +179.89
2000-03-20T09 Me xa +334.23
2000-03-20T20 Me −d −9.97
2000-03-25T14 Ma xd +31.87
2000-03-27T17 Lu a 0.002702
2000-03-27T22 Lu V  +276.49
2000-03-28T07 Lu −d −21.22
2000-03-28T17 Me e  −27.79
2000-03-30T00 Lu xd +301.26
2000-04-02T17
**
B  +95.97
2000-04-04T18 Lu c  +15.30
2000-04-08T05 Lu v  +64.30
2000-04-08T22 Lu p 0.002462
2000-04-10T19 Lu +d +21.35
2000-04-12T03 Lu xa +119.95
2000-04-16T22
**
S  +143.10
2000-04-18T17 Lu o  +208.98
2000-04-24T12 Lu a 0.002704
2000-04-24T15 Lu −d −21.48
2000-04-24T20 Lu V  +283.80
2000-04-26T02 Lu xd +298.30
2000-05-01T03
**
B  +108.62
2000-05-04T04 Lu c  +44.03
2000-05-05T23 Lu v  +70.54
2000-05-06T00 Ju v  +47.38
2000-05-06T09 Lu p 0.002428
2000-05-07T05 Me a  1.326
2000-05-07T20 Ne +d −18.42
2000-05-08T02 Lu +d +21.58
2000-05-08T04 Ju c  +47.89
2000-05-08T06 Ne Rg +306.58
2000-05-09T01 Me xd +48.65
2000-05-09T04 Lu xa +117.08
2000-05-09T12 Me o  +49.59
2000-05-10T05 Sa v  +50.38
2000-05-10T07 Ju a  5.996
2000-05-10T19 Sa c  +50.45
2000-05-10T22 Sa a  10.17
2000-05-11T02 Me v  +53.10
2000-05-11T09
**
b  +15.11
2000-05-16T10
**
S  +164.62
2000-05-18T07 Lu o  +237.66
2000-05-21T23 Lu −d −21.68
2000-05-22T03 Lu a 0.002710
2000-05-22T14 Lu V  +289.19
2000-05-22T20 Ur +d −15.22
2000-05-23T04 Lu xd +295.82
2000-05-25T05 Ur Rg +320.83
2000-05-29T14 Me +d +25.65
2000-05-30T01
**
B  +133.81
2000-06-01T04 Pl p  29.28
2000-06-01T11 Pl c  +251.54
2000-06-01T18 Pl V  +251.54
2000-06-02T12 Lu c  +72.24
2000-06-03T07 Lu v  +84.52
2000-06-03T13 Lu p 0.002400
2000-06-04T11 Lu +d +21.72
2000-06-05T08 Lu xa +115.21
2000-06-08T20 Ve xd +77.66
2000-06-09T16 Me e  +24.01
2000-06-11T07 Ve a  1.736
2000-06-11T12 Ve o  +80.89
2000-06-14T07
**
S  +197.73
2000-06-15T05 Ve V  +85.47
2000-06-16T08 Me xa +108.11
2000-06-16T22 Lu o  +266.08
2000-06-18T06 Lu −d −21.75
2000-06-18T07 Pl +d −10.94
2000-06-18T12 Ma +d +24.22
2000-06-18T12 Lu a 0.002715
2000-06-18T23 Lu V  +290.22
2000-06-19T08 Lu xd +294.69
2000-06-22T03 Ve +d +23.90
2000-06-23T08 Me Rg +109.97
2000-06-28T13
**
B  +154.13
2000-07-01T16 Ma c  +100.12
2000-07-01T19 Lu c  +100.23
2000-07-01T19 Lu v  +100.64
2000-07-01T22 Lu +d +21.75
2000-07-01T22 Lu p 0.002389
2000-07-02T18 Lu xa +114.62
2000-07-04T00 Me p  0.5639
2000-07-05T21 Me V  +105.05
2000-07-06T04 Ve v  +111.24
2000-07-06T11 Me c  +104.70
2000-07-08T06 Me −d +17.96
2000-07-12T04 Ve V  +118.60
2000-07-12T17
**
S  +220.91
2000-07-15T13 Lu −d −21.74
2000-07-15T15 Lu a 0.002715
2000-07-15T15 Lu V  +283.47
2000-07-16T13 Lu o  +294.35
2000-07-16T14 Lu xd +294.63
2000-07-17T13 Me Pg +100.39
2000-07-21T05 Ma a  2.621
2000-07-26T16
**
B  +170.44
2000-07-27T15 Me e  −19.69
2000-07-27T16 Ne p  29.10
2000-07-27T22 Ne o  +305.18
2000-07-28T03 Ne V  +305.17
2000-07-29T08 Lu +d +21.74
2000-07-30T04 Lu xa +114.64
2000-07-30T07 Lu p 0.002396
2000-07-30T09 Lu v  +117.47
2000-07-31T00 Ve v  +141.76
2000-07-31T02 Lu c  +128.20
2000-08-02T08 Me +d +21.03
2000-08-05T00 Me xd +116.25
2000-08-10T07 Ur p  18.93
2000-08-10T22 Ur V  +318.86
2000-08-11T05 Ur o  +318.85
2000-08-11T16 Lu V  +280.84
2000-08-11T19 Lu −d −21.76
2000-08-11T22 Lu a 0.002712
2000-08-12T04
**
S  +281.02
2000-08-12T20 Lu xd +294.58
2000-08-15T05 Lu o  +322.67
2000-08-16T19 Me v  +138.73
2000-08-20T16 Pl Pg +250.15
2000-08-22T12 Me o  +150.17
2000-08-25T17 Lu +d +21.81
2000-08-26T13 Lu xa +114.12
2000-08-27T13 Lu p 0.002419
2000-08-27T19 Me a  1.372
2000-08-27T20 Lu v  +133.00
2000-08-29T05
**
B  +199.24
2000-08-29T10 Lu c  +156.40
2000-09-04T01 Sa +d +18.20
2000-09-08T01 Lu −d −21.88
2000-09-08T07 Lu V  +284.81
2000-09-08T12 Lu a 0.002706
2000-09-09T01 Lu xd +293.43
2000-09-12T07 Me xa +187.09
2000-09-12T10 Sa Rg +60.98
2000-09-13T19 Lu o  +351.31
2000-09-17T01
**
S  +309.10
2000-09-22T00 Lu +d +22.00
2000-09-22T17 Lu xa +112.22
2000-09-24T07 Lu p 0.002453
2000-09-24T22 Lu v  +143.62
2000-09-27T00 Ju +d +21.21
2000-09-27T19 Lu c  +185.04
2000-09-28T10 Ve xa +214.64
2000-09-29T12 Ju Rg +71.24
2000-10-03T09
**
B  +178.57
2000-10-05T09 Lu −d −22.12
2000-10-06T04 Lu xd +290.90
2000-10-06T04 Lu V  +291.36
2000-10-06T04 Me e  +25.36
2000-10-06T07 Lu a 0.002702
2000-10-13T08 Lu o  +20.32
2000-10-15T09 Ne Pg +303.80
2000-10-17T09
**
S  +237.41
2000-10-17T09 Me −d −19.65
2000-10-17T13 Ne −d −19.12
2000-10-18T13 Me Rg +225.80
2000-10-19T05 Lu +d +22.25
2000-10-19T18 Lu v  +109.24
2000-10-19T18 Lu xa +109.35
2000-10-19T22 Lu p 0.002474
2000-10-24T11 Ur −d −16.45
2000-10-26T11 Ur Pg +316.90
2000-10-27T08 Lu c  +214.23
2000-10-28T21 Me p  0.6705
2000-10-29T17 Me V  +217.40
2000-10-30T02 Me c  +216.97
2000-10-31T04
**
B  +165.51
2000-11-01T00 Me xd +214.56
2000-11-01T17 Lu −d −22.37
2000-11-02T06 Lu xd +287.91
2000-11-03T03 Lu a 0.002703
2000-11-03T04 Lu V  +298.94
2000-11-08T02 Me Pg +209.95
2000-11-09T18 Me +d −9.58
2000-11-11T21 Lu o  +49.83
2000-11-14T12 Lu v  +87.72
2000-11-14T13
**
S  +223.47
2000-11-14T23 Lu p 0.002447
2000-11-15T06 Me e  −19.20
2000-11-15T11 Ve −d −25.53
2000-11-15T12 Lu +d +22.47
2000-11-15T20 Lu xa +106.74
2000-11-19T10 Sa p  8.133
2000-11-19T12 Sa o  +57.49
2000-11-19T18 Sa V  +57.47
2000-11-25T23 Lu c  +244.03
2000-11-26T15 Ju p  4.049
2000-11-27T17 Ju V  +66.20
2000-11-28T02 Ju o  +66.15
2000-11-29T02 Lu −d −22.54
2000-11-29T09 Lu xd +285.90
2000-11-30T12
**
B  +150.07
2000-11-30T23 Lu a 0.002709
2000-12-01T03 Lu V  +306.31
2000-12-02T13
**
s  +264.12
2000-12-04T04 Pl v  +252.73
2000-12-04T11 Pl o  +252.74
2000-12-05T05 Pl a  31.30
2000-12-09T07 Me xa +248.46
2000-12-11T09 Lu o  +79.62
2000-12-12T18 Lu v  +100.59
2000-12-12T21 Lu +d +22.57
2000-12-12T22 Lu p 0.002410
2000-12-13T02 Lu xa +105.59
2000-12-13T12
**
S  +191.18
2000-12-22T12 Me a  1.447
2000-12-25T11 Me o  +273.85
2000-12-25T17 Lu c  +274.26
2000-12-26T09 Lu −d −22.58
2000-12-26T14 Me −d −24.99
2000-12-26T15 Lu xd +285.45
2000-12-28T14 Lu a 0.002715
2000-12-28T18 Lu V  +310.38
2000-12-29T05
**
B  +132.60

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Last updated: 2018-02-01