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C/1999 U4
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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 20:03
Orbital Elements
MPC Comet
Epoch of elements (MJD)
52275.0
Jan. 1, 2002
Orbital inclination in deg
51.92599070639325
Longitude of Ascending Node (deg)
32.28666634905108
Arg of perihelion (deg)
77.52339374928516
Eccentricity
1.007569462743453
Perihelion distance (AU)
4.9153499
Epoch of perihelion
Oct. 28, 2001, 12:49 p.m.
Epoch of perihelion (MJD)
52210.53464
Total Magnitude (M1)
10.3
Slope Parameter (k1)
11.25
Physical Parameters
Follow-up Details
Number of observations
847
Arc length (days)
1667.00
Spectroscopy Details
Known Taxonomies
None
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