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C/1991 Y1
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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 17:26
Orbital Elements
MPC Comet
Epoch of elements (MJD)
48631.0
Jan. 10, 1992
Orbital inclination in deg
50.02822548115083
Longitude of Ascending Node (deg)
254.9082576555254
Arg of perihelion (deg)
197.8725244864647
Eccentricity
1.000056697563823
Perihelion distance (AU)
0.6439694
Epoch of perihelion
Jan. 31, 1992, 11:47 p.m.
Epoch of perihelion (MJD)
48652.99144
Total Magnitude (M1)
10.2
Slope Parameter (k1)
36.875
Physical Parameters
Follow-up Details
Number of observations
266
Arc length (days)
130.00
Spectroscopy Details
Known Taxonomies
None
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