Schedule Observations Schedule Spectroscopic Observations
NameYU9659B → C/2017 U2
Type Comet (Hyperbolic)
Status Not 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: 2018-Sep-15 00:00
Orbital Elements
MPC Comet
Epoch of elements (MJD)
59200.0 Dec. 17, 2020
Orbital inclination in deg 95.39535
Longitude of Ascending Node (deg) 149.70539
Arg of perihelion (deg) 147.7939
Eccentricity 0.9986944
Perihelion distance (AU) 6.7062537
Epoch of perihelion Aug. 28, 2017, 7:01 a.m.
Epoch of perihelion (MJD) 57993.29252
Total Magnitude (M1) 7.3
Slope Parameter (k1) 12.0
Physical Parameters
Reciprocal of semimajor axis E2020-SI8
0.000581 au +/- 0.0000032
+/- 0.0000032
K1 autocmod 2.9c

11
12.0
M1 from 46 observations, assumed slope, autocmod 2.9c

11
7.3 +/- 0.5
Follow-up Details
Number of observations 59
Arc length (days) 416.00
Time since last observation (days) 1261.12
Spectroscopy Details
Known Taxonomies None