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v. 3.17.1
C/2026 H2
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Name
CEJK452 → C/2026 H2
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,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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Measurements
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Last Update: 2026-May-06 18:06
Orbital Elements
MPC Comet
Epoch of elements (MJD)
61153.0
April 23, 2026
Orbital inclination in deg
148.6455
Longitude of Ascending Node (deg)
5.48338
Arg of perihelion (deg)
111.38015
Eccentricity
0.9962295
Perihelion distance (AU)
4.5435485
Epoch of perihelion
March 15, 2026, 7:15 p.m.
Epoch of perihelion (MJD)
61114.80269
Total Magnitude (M1)
12.7
Slope Parameter (k1)
10.0
Physical Parameters
Diameter
Initial Diameter Guess using H=12.7 and albedo=0.14 (0.01 to 0.5)
MPC Default
10243.8 m
+28085.0 / -4823.0
Follow-up Details
NEOCP
digest2
score
35
Number of observations
223
Arc length (days)
21.26
Time since last observation (days)
0.10
Spectroscopy Details
Known Taxonomies
None
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