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v. 3.17.1
C/1973 A1
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Type
Comet (Hyperbolic)
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)
41743.0
March 2, 1973
Orbital inclination in deg
138.6301497499886
Longitude of Ascending Node (deg)
175.8780426110411
Arg of perihelion (deg)
346.2371796026221
Eccentricity
1.000573187341504
Perihelion distance (AU)
2.5111102
Epoch of perihelion
Oct. 5, 1972, 11:17 a.m.
Epoch of perihelion (MJD)
41595.47030
Total Magnitude (M1)
5.5
Slope Parameter (k1)
25.625
Physical Parameters
Follow-up Details
Number of observations
190
Arc length (days)
405.00
Spectroscopy Details
Known Taxonomies
None
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