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v. 3.17.1
C/1990 M1
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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 17:24
Orbital Elements
MPC Comet
Epoch of elements (MJD)
48237.0
Dec. 12, 1990
Orbital inclination in deg
132.7749598546743
Longitude of Ascending Node (deg)
233.2063141029763
Arg of perihelion (deg)
18.16967590845522
Eccentricity
1.001289660713232
Perihelion distance (AU)
2.6822644
Epoch of perihelion
Feb. 27, 1991, 3:48 p.m.
Epoch of perihelion (MJD)
48314.65847
Total Magnitude (M1)
10.9
Slope Parameter (k1)
16.875
Physical Parameters
Follow-up Details
Number of observations
49
Arc length (days)
360.00
Spectroscopy Details
Known Taxonomies
None
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