Schedule Observations Schedule Spectroscopic Observations
NameC19QJN5 → P/2017 B4
Type Comet
Status Actively Following
Source Minor Planet Center
Check Spectroscopic Feasibility Create LC Plot
Recent Blocks Scheduled
  • No blocks have been scheduled
Measurements
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Last Update: 2026-Jan-15 16:38
Orbital Elements
MPC Comet
Epoch of elements (MJD)
61105.0 March 6, 2026
Orbital inclination in deg 21.05556
Longitude of Ascending Node (deg) 119.47156
Arg of perihelion (deg) 11.29486
Eccentricity 0.3553977
Perihelion distance (AU) 2.8162029
Epoch of perihelion Dec. 4, 2025, 7:53 p.m.
Epoch of perihelion (MJD) 61013.82892
Total Magnitude (M1) 17.1
Slope Parameter (k1) 10.0
Physical Parameters
Phase Slope MPC Default
4.0
Diameter Initial Diameter Guess using H=17.1 and albedo=0.14 (0.01 to 0.5)

MPC Default
1350.4 m +3702.0 / -636.0
Follow-up Details
NEOCP digest2 score 35
Number of observations 20
Arc length (days) 30.90
Time since last observation (days) 0.28
Spectroscopy Details
Known Taxonomies None