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v. 3.17.1
C/1973 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 16:18
Orbital Elements
MPC Comet
Epoch of elements (MJD)
41832.0
May 30, 1973
Orbital inclination in deg
48.32962519850134
Longitude of Ascending Node (deg)
57.84030192868662
Arg of perihelion (deg)
123.4707667428667
Eccentricity
0.9729413418634797
Perihelion distance (AU)
2.3842397
Epoch of perihelion
March 11, 1973, 12:39 p.m.
Epoch of perihelion (MJD)
41752.52738
Total Magnitude (M1)
9.3
Slope Parameter (k1)
25.0
Physical Parameters
Follow-up Details
Number of observations
26
Arc length (days)
57.00
Spectroscopy Details
Known Taxonomies
None
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