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v. 3.17.1
C/1999 A1
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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 18:45
Orbital Elements
MPC Comet
Epoch of elements (MJD)
51198.0
Jan. 20, 1999
Orbital inclination in deg
89.4817884541915
Longitude of Ascending Node (deg)
259.1230023961218
Arg of perihelion (deg)
232.6698624941882
Eccentricity
0.9958948892732364
Perihelion distance (AU)
0.7307414
Epoch of perihelion
Jan. 29, 1999, 3:46 p.m.
Epoch of perihelion (MJD)
51207.65743
Total Magnitude (M1)
14.3
Slope Parameter (k1)
25.0
Physical Parameters
Follow-up Details
Number of observations
68
Arc length (days)
43.00
Spectroscopy Details
Known Taxonomies
None
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