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v. 3.17.1
C/1981 H1
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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 16:42
Orbital Elements
MPC Comet
Epoch of elements (MJD)
44756.0
June 1, 1981
Orbital inclination in deg
160.6636796929077
Longitude of Ascending Node (deg)
24.26451718588132
Arg of perihelion (deg)
189.8516318126032
Eccentricity
0.9988615388734174
Perihelion distance (AU)
2.4580938
Epoch of perihelion
July 30, 1981, 6:36 p.m.
Epoch of perihelion (MJD)
44815.77528
Total Magnitude (M1)
10.7
Slope Parameter (k1)
25.0
Physical Parameters
Follow-up Details
Number of observations
26
Arc length (days)
265.00
Spectroscopy Details
Known Taxonomies
None
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