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v. 3.17.1
C/1973 D1
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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)
41792.0
April 20, 1973
Orbital inclination in deg
121.5980626538528
Longitude of Ascending Node (deg)
164.8173742021121
Arg of perihelion (deg)
74.85925524161159
Eccentricity
0.9987497307459786
Perihelion distance (AU)
1.3820208
Epoch of perihelion
June 7, 1973, 4:20 a.m.
Epoch of perihelion (MJD)
41840.18074
Total Magnitude (M1)
9.7
Slope Parameter (k1)
46.25
Physical Parameters
Follow-up Details
Number of observations
42
Arc length (days)
206.00
Spectroscopy Details
Known Taxonomies
None
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