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v. 3.17.1
C/2026 H1
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Name
P22mGsz → C/2026 H1
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-Apr-22 09:56
Orbital Elements
MPC Comet
Epoch of elements (MJD)
61149.0
April 19, 2026
Orbital inclination in deg
115.58422
Longitude of Ascending Node (deg)
178.73132
Arg of perihelion (deg)
349.60922
Eccentricity
0.9995277
Perihelion distance (AU)
6.0838844
Epoch of perihelion
June 17, 2026, 8 a.m.
Epoch of perihelion (MJD)
61208.33356
Total Magnitude (M1)
12.5
Slope Parameter (k1)
10.0
Physical Parameters
Diameter
Initial Diameter Guess using H=12.5 and albedo=0.14 (0.01 to 0.5)
MPC Default
11232.1 m
+30795.0 / -5289.0
Follow-up Details
NEOCP
digest2
score
35
Number of observations
33
Arc length (days)
84.75
Time since last observation (days)
0.40
Spectroscopy Details
Known Taxonomies
None
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