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v. 3.17.1
C/1999 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 19:34
Orbital Elements
MPC Comet
Epoch of elements (MJD)
51804.0
Sept. 17, 2000
Orbital inclination in deg
134.7958731543009
Longitude of Ascending Node (deg)
188.877121777751
Arg of perihelion (deg)
184.2648174723099
Eccentricity
1.000857453473749
Perihelion distance (AU)
3.0913793
Epoch of perihelion
March 24, 2001, 1:09 a.m.
Epoch of perihelion (MJD)
51992.04812
Total Magnitude (M1)
7.3
Slope Parameter (k1)
21.25
Physical Parameters
Follow-up Details
Number of observations
833
Arc length (days)
1283.00
Spectroscopy Details
Known Taxonomies
None
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