Schedule Observations Schedule Spectroscopic Observations
NameP12jDIf → C/2025 Y3
Type Comet
Status Not Following
Source Minor Planet Center
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Recent Blocks Scheduled
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Measurements
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Last Update: 2026-Jan-19 04:48
Orbital Elements
MPC Comet
Epoch of elements (MJD)
61036.0 Dec. 27, 2025
Orbital inclination in deg 89.54095
Longitude of Ascending Node (deg) 272.96212
Arg of perihelion (deg) 219.39282
Eccentricity 0.9999659
Perihelion distance (AU) 2.2261007
Epoch of perihelion Dec. 27, 2025, midnight
Epoch of perihelion (MJD) 61036.00000
Total Magnitude (M1) 17.7
Slope Parameter (k1) 10.0
Physical Parameters
Diameter Initial Diameter Guess using H=17.7 and albedo=0.14 (0.01 to 0.5)

MPC Default
1024.38 m +2808.0 / -482.0
Follow-up Details
NEOCP digest2 score 35
Number of observations 27
Arc length (days) 33.01
Time since last observation (days) 5.35
Spectroscopy Details
Known Taxonomies None