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v. 3.17.1
C/2026 J1
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Name
P12neKs → C/2026 J1
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-26 15:48
Orbital Elements
MPC Comet
Epoch of elements (MJD)
61236.0
July 15, 2026
Orbital inclination in deg
72.99275
Longitude of Ascending Node (deg)
100.52599
Arg of perihelion (deg)
128.9878
Eccentricity
0.8883888
Perihelion distance (AU)
2.5209183
Epoch of perihelion
June 28, 2026, 8:18 p.m.
Epoch of perihelion (MJD)
61219.84630
Total Magnitude (M1)
15.1
Slope Parameter (k1)
10.0
Physical Parameters
Diameter
Initial Diameter Guess using H=15.1 and albedo=0.14 (0.01 to 0.5)
MPC Default
3392.04 m
+9300.0 / -1597.0
Follow-up Details
NEOCP
digest2
score
35
Number of observations
176
Arc length (days)
11.53
Time since last observation (days)
0.77
Spectroscopy Details
Known Taxonomies
None
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