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v. 3.17.1
C/2011 A3
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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-Jun-17 02:09
Orbital Elements
MPC Comet
Epoch of elements (MJD)
55749.0
July 7, 2011
Orbital inclination in deg
26.07435262883368
Longitude of Ascending Node (deg)
124.895271952043
Arg of perihelion (deg)
141.1610776277263
Eccentricity
0.9979938825751231
Perihelion distance (AU)
2.3448414
Epoch of perihelion
Dec. 16, 2011, 2:06 a.m.
Epoch of perihelion (MJD)
55911.08785
Total Magnitude (M1)
9.9
Slope Parameter (k1)
21.25
Physical Parameters
Follow-up Details
Number of observations
1747
Arc length (days)
995.00
Spectroscopy Details
Known Taxonomies
None
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