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v. 3.17.1a
Sun-Gao (C/2026 B2)
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Name
GS25115 → C/2026 B2
Type
Comet
Status
Not Following
Source
Minor Planet Center
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; (McDonald, Texas)
ELP 0.4m - V45; (McDonald, Texas)
ELP 0.4m - V99; (TEMP; 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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Measurements
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Last Update: 2026-Jan-28 17:25
Orbital Elements
MPC Comet
Epoch of elements (MJD)
61064.0
Jan. 24, 2026
Orbital inclination in deg
59.69798
Longitude of Ascending Node (deg)
234.61496
Arg of perihelion (deg)
46.99777
Eccentricity
0.9669584
Perihelion distance (AU)
1.2776704
Epoch of perihelion
Jan. 9, 2026, 6:31 p.m.
Epoch of perihelion (MJD)
61049.77180
Total Magnitude (M1)
13.3
Slope Parameter (k1)
10.0
Physical Parameters
Diameter
Initial Diameter Guess using H=13.3 and albedo=0.14 (0.01 to 0.5)
MPC Default
7770.71 m
+21305.0 / -3659.0
Follow-up Details
NEOCP
digest2
score
47
Number of observations
71
Arc length (days)
7.96
Time since last observation (days)
1.94
Spectroscopy Details
Known Taxonomies
None
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