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C/1999 S4
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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 19:13
Orbital Elements
MPC Comet
Epoch of elements (MJD)
51587.0
Feb. 13, 2000
Orbital inclination in deg
149.3849284408427
Longitude of Ascending Node (deg)
83.18058544347436
Arg of perihelion (deg)
151.0499937079533
Eccentricity
1.000108293667131
Perihelion distance (AU)
0.7650889
Epoch of perihelion
July 26, 2000, 3:54 a.m.
Epoch of perihelion (MJD)
51751.16283
Total Magnitude (M1)
9.6
Slope Parameter (k1)
16.25
Physical Parameters
Follow-up Details
Number of observations
1230
Arc length (days)
300.00
Spectroscopy Details
Known Taxonomies
None
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