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v. 3.17.1
C/1984 S1
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Type
Comet
Status
Not Following
Source
NEODSYS
UTC date
------------ Any 1.0m ------------
LSC 1.0m - W85-87; (CTIO, Chile)
ELP 1.0m - V37,V39; (McDonald, Texas)
COJ 1.0m - Q63-64; (Siding Spring, Aust.)
CPT 1.0m - K91-93; (Sutherland, S. Africa)
TFN 1.0m - Z31,Z24; (Tenerife, Spain)
------------ Any 0.4m ------------
LSC 0.4m - W89,W79; (CTIO, Chile)
ELP 0.4m - V38,V45,V47; (McDonald, Texas)
OGG 0.4m - T03-04; (Maui, Hawaii)
COJ 0.4m - Q58-59; (Siding Spring, Aust.)
CPT 0.4m - L09; (Sutherland, S. Africa)
TFN 0.4m - Z17,Z21; (Tenerife, Spain)
------------ Any 2.0m ------------
FTS 2.0m - E10; (Siding Spring, Aust.) [MuSCAT4]
FTN 2.0m - F65; (Maui, Hawaii ) [MuSCAT3]
------------ Non LCO ------------
Mt John 1.8m - 474 (Mt John, NZ)
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Last Update: 2026-May-22 16:51
Orbital Elements
MPC Comet
Epoch of elements (MJD)
45966.0
Sept. 23, 1984
Orbital inclination in deg
145.6144830890252
Longitude of Ascending Node (deg)
11.71148206264962
Arg of perihelion (deg)
128.0766014893854
Eccentricity
0.9989803221394051
Perihelion distance (AU)
0.8566079
Epoch of perihelion
Oct. 13, 1984, 11:45 p.m.
Epoch of perihelion (MJD)
45986.99024
Total Magnitude (M1)
None
Slope Parameter (k1)
Physical Parameters
Follow-up Details
Number of observations
12
Arc length (days)
18.00
Spectroscopy Details
Known Taxonomies
None
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