Schedule Observations Schedule Spectroscopic Observations
NameYW9CAED → C/2017 W2
Type Comet (Halley-Type)
Status Actively Following
Source Minor Planet Center
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Recent Blocks Scheduled
  • No blocks have been scheduled
Measurements
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Last Update: 2018-May-12 00:00
Orbital Elements
MPC Comet
Epoch of elements (MJD)
58600.0 April 27, 2019
Orbital inclination in deg 98.19383
Longitude of Ascending Node (deg) 312.81965
Arg of perihelion (deg) 169.15753
Eccentricity 0.7112413
Perihelion distance (AU) 3.9572217
Epoch of perihelion Nov. 1, 2017, 10:11 p.m.
Epoch of perihelion (MJD) 58058.92484
Total Magnitude (M1) 10.9
Slope Parameter (k1) 10.0
Physical Parameters
Phase Slope MPC Default
4.0
M1 from 139 observations, assumed slope, autocmod 2.8

10
10.9 +/- 0.5
K1 autocmod 2.8

10
10.0
M2 from 26 observations, autocmod 2.8

10
14.0 +/- 0.7
K2 autocmod 2.8

10
5.0
PC autocmod 2.8

10
0.03
Reciprocal of semimajor axis MPEC 2019-J142
0.07298522 au
Follow-up Details
NEOCP digest2 score 10
Number of observations 161
Arc length (days) 167.00
Time since last observation (days) 797.91
Spectroscopy Details
Known Taxonomies None