$$\def\|{&}\DeclareMathOperator{\D}{\bigtriangleup\!} \DeclareMathOperator{\d}{\text{d}\!}$$

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

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
1984-01-02T15 Lu −d −25.20
1984-01-02T17 Lu c  +282.03
1984-01-05T14 Me +d −20.16
1984-01-07T07 Lu a 0.002711
1984-01-07T15 Lu V  +341.59
1984-01-09T14 Ne −d −22.28
1984-01-10T12 Me Pg +270.39
1984-01-11T19
**
b  +48.41
1984-01-14T20
**
S  +99.08
1984-01-15T03 Lu xa +75.36
1984-01-16T22 Lu +d +25.21
1984-01-18T02 Lu o  +117.68
1984-01-19T09 Lu p 0.002404
1984-01-19T11 Lu v  +138.41
1984-01-21T20 Me e  −24.29
1984-01-22T10 Ju −d −23.14
1984-01-27T16
**
B  +44.23
1984-01-27T19 Lu xd +254.78
1984-01-28T22 Me −d −22.41
1984-01-29T17 Ve −d −22.35
1984-01-29T20 Lu −d −25.24
1984-01-29T23 Me xa +286.72
1984-02-01T11 Lu c  +312.33
1984-02-03T20 Lu a 0.002717
1984-02-04T09 Lu V  +346.76
1984-02-11T09 Lu xa +73.24
1984-02-12T13
**
S  +107.38
1984-02-13T08 Lu +d +25.34
1984-02-16T12 Lu o  +147.57
1984-02-16T15 Sa −d −14.39
1984-02-16T20 Lu p 0.002384
1984-02-16T21 Lu v  +153.33
1984-02-18T01 Ve xa +299.22
1984-02-23T19 Lu xd +252.09
1984-02-24T01 Sa Rg +226.39
1984-02-24T08
**
B  +65.38
1984-02-26T01 Lu −d −25.41
1984-03-01T05 Me a  1.379
1984-03-01T17 Lu V  +336.09
1984-03-01T22 Lu a 0.002719
1984-03-02T06 Lu c  +342.39
1984-03-06T09 Ve v  +320.59
1984-03-07T23 Me o  +347.92
1984-03-09T11 Lu xa +70.16
1984-03-11T16 Lu +d +25.57
1984-03-12T01
**
S  +131.62
1984-03-15T00 Me v  +1.71
1984-03-16T00 Ve V  +332.46
1984-03-16T08 Lu v  +168.42
1984-03-16T09 Lu p 0.002387
1984-03-16T22 Lu o  +177.03
1984-03-17T16 Ur Rg +253.57
1984-03-18T20 Ur −d −22.39
1984-03-19T15 Me xd +10.75
1984-03-21T21 Lu xd +249.01
1984-03-22T21
**
B  +98.18
1984-03-23T07 Ve v  +341.49
1984-03-24T07 Lu −d −25.67
1984-03-28T15 Lu V  +331.81
1984-03-29T04 Lu a 0.002716
1984-04-01T00 Lu c  +11.98
1984-04-01T23 Ne Rg +271.43
1984-04-02T10 Me e  +18.92
1984-04-05T00 Ma Rg +238.35
1984-04-05T12 Lu xa +67.64
1984-04-07T23 Lu +d +25.80
1984-04-08T04
**
S  +162.46
1984-04-10T17 Me +d +16.70
1984-04-11T08 Me Rg +36.70
1984-04-13T16 Lu v  +181.88
1984-04-13T17 Lu p 0.002410
1984-04-15T07 Lu o  +205.99
1984-04-15T18 Ma −d −18.77
1984-04-18T04 Lu xd +247.05
1984-04-20T02
**
B  +118.84
1984-04-20T16 Lu −d −25.89
1984-04-21T16 Me c  +32.25
1984-04-22T10 Me V  +31.74
1984-04-24T13 Ju +d −22.62
1984-04-24T17 Me p  0.5661
1984-04-25T11 Lu V  +338.31
1984-04-25T19 Lu a 0.002710
1984-04-26T22 Me xa +28.81
1984-04-29T06 Ju Rg +282.97
1984-04-30T15 Lu c  +40.96
1984-05-02T16 Lu xa +66.62
1984-05-02T17 Sa V  +223.09
1984-05-02T20 Sa o  +223.08
1984-05-02T22 Sa p  8.853
1984-05-05T02 Me Pg +26.31
1984-05-05T04
**
S  +177.17
1984-05-05T05 Lu +d +25.95
1984-05-08T01 Ma xa +231.84
1984-05-09T14 Me −d +7.83
1984-05-10T20 Ma o  +230.85
1984-05-11T13 Lu v  +189.64
1984-05-11T14 Lu p 0.002444
1984-05-13T10 Ma V  +229.93
1984-05-14T16 Lu o  +234.51
1984-05-15T13 Lu xd +246.54
1984-05-16T14
**
B  +133.12
1984-05-18T01 Lu −d −25.96
1984-05-18T22 Ma p  0.5315
1984-05-19T08 Me e  −25.38
1984-05-23T11 Lu V  +346.69
1984-05-23T13 Lu a 0.002704
1984-05-29T23 Lu xa +66.60
1984-05-30T04 Lu c  +69.45
1984-05-30T21 Ne +d −22.22
1984-05-31T03
**
S  +202.74
1984-06-01T06 Ur V  +251.57
1984-06-01T06 Ur p  18.00
1984-06-01T09 Ur o  +251.57
1984-06-01T11 Lu +d +25.97
1984-06-03T02
**
s  +229.02
1984-06-06T17 Lu v  +173.47
1984-06-06T23 Lu p 0.002470
1984-06-10T04 Ve xd +78.55
1984-06-11T02 Ve V  +79.66
1984-06-11T22 Lu xd +246.64
1984-06-11T22 Ma +d −16.88
1984-06-11T22
**
B  +145.21
1984-06-13T02 Lu o  +262.78
1984-06-14T10 Lu −d −25.95
1984-06-14T23 Ve o  +84.45
1984-06-15T03 Ve a  1.736
1984-06-15T14 Me xd +76.66
1984-06-19T06 Ma Pg +221.70
1984-06-20T07 Lu a 0.002702
1984-06-20T12 Lu V  +355.13
1984-06-20T18 Ne o  +270.05
1984-06-21T01 Ne p  29.25
1984-06-21T01 Ne V  +270.04
1984-06-21T16 Me v  +89.80
1984-06-22T18 Ve +d +23.87
1984-06-23T00 Me o  +92.70
1984-06-23T13 Me a  1.325
1984-06-24T10
**
S  +192.22
1984-06-24T18 Me +d +24.67
1984-06-26T07 Lu xa +66.42
1984-06-28T15 Lu c  +97.56
1984-06-28T19 Lu +d +25.93
1984-06-29T04 Ju o  +278.08
1984-06-29T09 Ju V  +278.05
1984-06-30T10 Ju p  4.206
1984-07-02T05 Lu v  +149.00
1984-07-02T11 Lu p 0.002455
1984-07-04T14 Sa +d −12.43
1984-07-08T16
**
B  +119.38
1984-07-09T03 Lu xd +246.02
1984-07-11T17 Lu −d −25.94
1984-07-12T14 Lu o  +290.87
1984-07-12T17 Sa Pg +219.70
1984-07-18T01 Lu a 0.002706
1984-07-18T13 Lu V  +3.26
1984-07-21T01
**
S  +151.91
1984-07-23T14 Lu xa +65.11
1984-07-23T21 Me xa +147.69
1984-07-26T04 Lu +d +25.98
1984-07-26T13 Ju xa +274.86
1984-07-27T23 Lu c  +125.57
1984-07-29T21 Lu v  +153.53
1984-07-29T23 Ve v  +139.73
1984-07-30T00 Lu p 0.002422
1984-07-31T07 Me e  +27.23
1984-08-04T14
**
B  +90.10
1984-08-05T05 Lu xd +244.15
1984-08-07T22 Lu −d −26.02
1984-08-11T03 Lu o  +319.13
1984-08-14T07 Me Rg +163.40
1984-08-14T16 Lu a 0.002712
1984-08-15T10 Lu V  +10.19
1984-08-16T05 Ur +d −21.86
1984-08-17T06 Me −d +2.65
1984-08-17T14 Ur Pg +249.54
1984-08-18T09
**
S  +129.93
1984-08-19T18 Lu xa +62.51
1984-08-22T13 Lu +d +26.13
1984-08-22T17
**
b  +89.99
1984-08-25T01 Me p  0.6195
1984-08-26T07 Lu c  +153.71
1984-08-27T01 Lu v  +165.22
1984-08-27T05 Lu p 0.002396
1984-08-27T06 Me V  +156.20
1984-08-28T02 Me c  +155.46
1984-08-29T10 Ju Pg +273.13
1984-08-31T13
**
B  +80.57
1984-09-01T06 Lu xd +241.30
1984-09-04T04 Lu −d −26.21
1984-09-04T04
**
s  +91.78
1984-09-06T15 Me Pg +150.03
1984-09-09T04 Ne Pg +268.66
1984-09-09T19 Lu o  +347.74
1984-09-11T01 Lu a 0.002716
1984-09-11T09 Me +d +10.83
1984-09-11T13 Me xd +151.83
1984-09-11T20 Lu V  +12.35
1984-09-13T12 Me e  −17.90
1984-09-14T21
**
S  +123.90
1984-09-15T19 Lu xa +59.65
1984-09-17T11 Ju −d −23.49
1984-09-18T21 Lu +d +26.35
1984-09-24T11 Lu v  +179.72
1984-09-24T14 Lu p 0.002386
1984-09-24T15 Lu c  +182.23
1984-09-28T10 Lu xd +238.73
1984-09-29T06
**
B  +62.10
1984-09-29T15 Me v  +178.75
1984-09-29T18 Ve xa +215.62
1984-10-01T10 Lu −d −26.45
1984-10-02T08 Ma −d −25.59
1984-10-08T02 Lu a 0.002716
1984-10-08T07 Lu V  +2.74
1984-10-09T11 Lu o  +16.87
1984-10-09T23 Me o  +197.20
1984-10-12T21 Lu xa +57.84
1984-10-13T08
**
S  +104.14
1984-10-16T04 Lu +d +26.57
1984-10-17T13 Me a  1.428
1984-10-19T21 Me xa +213.68
1984-10-22T22 Lu v  +195.22
1984-10-23T01 Lu p 0.002396
1984-10-24T00 Lu c  +211.27
1984-10-25T18 Lu xd +237.56
1984-10-27T04
**
B  +41.59
1984-10-28T18 Lu −d −26.62
1984-11-04T08 Lu V  +359.91
1984-11-04T11 Lu a 0.002712
1984-11-08T05 Lu o  +46.52
1984-11-09T03 Lu xa +57.41
1984-11-09T22
**
b  +48.41
1984-11-10T16 Sa a  10.89
1984-11-10T19 Sa c  +229.08
1984-11-11T01 Sa v  +229.11
1984-11-11T05
**
S  +98.05
1984-11-12T09 Lu +d +26.64
1984-11-15T21 Ve −d −25.47
1984-11-20T07 Lu v  +209.43
1984-11-20T08 Lu p 0.002425
1984-11-22T05 Lu xd +237.42
1984-11-22T10 Lu c  +240.84
1984-11-24T08
**
B  +42.43
1984-11-24T10 Me −d −25.79
1984-11-25T04 Lu −d −26.63
1984-11-25T07 Me e  +21.70
1984-12-02T03 Lu a 0.002706
1984-12-02T03 Lu V  +5.94
1984-12-04T09 Me Rg +270.81
1984-12-05T01 Ur v  +253.79
1984-12-05T05 Ur c  +253.81
1984-12-05T09 Ur a  20.03
1984-12-06T10 Lu xa +57.47
1984-12-07T22 Lu o  +76.56
1984-12-08T12 Me xd +269.25
1984-12-09T15 Lu +d +26.61
1984-12-09T17
**
S  +104.78
1984-12-13T06 Ne −d −22.32
1984-12-14T02 Me c  +262.80
1984-12-14T03 Me V  +262.75
1984-12-14T04 Me p  0.6775
1984-12-17T21 Lu p 0.002463
1984-12-17T22 Lu v  +213.54
1984-12-19T14 Lu xd +237.25
1984-12-20T10 Ur xa +254.73
1984-12-21T23
**
B  +60.57
1984-12-21T23 Lu c  +270.86
1984-12-22T00 Ne a  31.24
1984-12-22T07 Ne v  +271.15
1984-12-22T07 Ne c  +271.15
1984-12-22T13 Lu −d −26.60
1984-12-23T00 Me +d −19.58
1984-12-24T04 Me Pg +254.51
1984-12-25T16 Ma v  +330.70
1984-12-30T00 Lu a 0.002703
1984-12-30T04 Lu V  +14.33

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Last updated: 2021-07-19