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v. 3.17.1
C/2007 JA21
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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-23 03:07
Orbital Elements
MPC Comet
Epoch of elements (MJD)
54359.0
Sept. 16, 2007
Orbital inclination in deg
89.84038847398162
Longitude of Ascending Node (deg)
65.52268502585838
Arg of perihelion (deg)
93.7218905620818
Eccentricity
1.001766659323936
Perihelion distance (AU)
5.3685655
Epoch of perihelion
Nov. 14, 2006, 1:28 p.m.
Epoch of perihelion (MJD)
54053.56143
Total Magnitude (M1)
11.9
Slope Parameter (k1)
11.25
Physical Parameters
Follow-up Details
Number of observations
169
Arc length (days)
474.00
Spectroscopy Details
Known Taxonomies
None
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