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v. 3.17.1
C/1977 D1
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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 16:33
Orbital Elements
MPC Comet
Epoch of elements (MJD)
43268.0
May 5, 1977
Orbital inclination in deg
64.52228501434335
Longitude of Ascending Node (deg)
338.1727676823542
Arg of perihelion (deg)
146.3121040632558
Eccentricity
1.003403581752244
Perihelion distance (AU)
5.7159932
Epoch of perihelion
Nov. 1, 1976, 7:57 a.m.
Epoch of perihelion (MJD)
43083.33190
Total Magnitude (M1)
5.0
Slope Parameter (k1)
25.0
Physical Parameters
Follow-up Details
Number of observations
30
Arc length (days)
352.00
Spectroscopy Details
Known Taxonomies
None
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