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C/1989 X1
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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 17:20
Orbital Elements
MPC Comet
Epoch of elements (MJD)
47998.0
April 17, 1990
Orbital inclination in deg
58.9563677985423
Longitude of Ascending Node (deg)
75.92535582935152
Arg of perihelion (deg)
61.57629376353761
Eccentricity
1.000228081863031
Perihelion distance (AU)
0.3497739
Epoch of perihelion
April 9, 1990, 11:13 p.m.
Epoch of perihelion (MJD)
47990.96757
Total Magnitude (M1)
8.4
Slope Parameter (k1)
32.5
Physical Parameters
Follow-up Details
Number of observations
266
Arc length (days)
203.00
Spectroscopy Details
Known Taxonomies
None
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