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v. 3.17.1
C/1989 Y2
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Type
Comet
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 17:17
Orbital Elements
MPC Comet
Epoch of elements (MJD)
47890.0
Dec. 30, 1989
Orbital inclination in deg
160.3362752621124
Longitude of Ascending Node (deg)
293.8962651393923
Arg of perihelion (deg)
191.736136281269
Eccentricity
0.999996489781556
Perihelion distance (AU)
1.9757962
Epoch of perihelion
Nov. 7, 1989, 4:28 p.m.
Epoch of perihelion (MJD)
47837.68677
Total Magnitude (M1)
10.0
Slope Parameter (k1)
25.0
Physical Parameters
Follow-up Details
Number of observations
45
Arc length (days)
50.00
Spectroscopy Details
Known Taxonomies
None
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