Schedule Observations Schedule Spectroscopic Observations
NameYU9659B → C/2017 U2
Type Comet (Long Period)
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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Plot Visibility
Last Measurement: 2017-Oct-28 01:49
Orbital Elements
MPC Comet
Epoch of elements (MJD)
58600.0 April 27, 2019
Orbital inclination in deg 95.40567
Longitude of Ascending Node (deg) 149.71668
Arg of perihelion (deg) 147.73777
Eccentricity 0.9991432
Perihelion distance (AU) 6.7008432
Epoch of perihelion Aug. 28, 2017, 4:46 a.m.
Epoch of perihelion (MJD) 57993.19924
Total Magnitude (M1) 8.8
Slope Parameter (k1) 10.0
Physical Parameters
Phase Slope MPC Default
4.0
M1 from 37 observations, assumed slope, autocmod 2.8

8
8.8 +/- 0.5
K1 autocmod 2.8

8
10.0
Reciprocal of semimajor axis MPEC 2019-J142
0.00067293 au +/- 1.99e-05
+/- 1.99e-05
Follow-up Details
Number of observations 50
Arc length (days) 94.00
Time since last observation (days) 993.92
Spectroscopy Details
Known Taxonomies None