Schedule Observations Schedule Spectroscopic Observations
NameA107IQ9 → C/2018 O1
Type Comet (Halley-Type)
Status Actively Following
Source Minor Planet Center
Check Spectroscopic Feasibility Create LC Plot
Recent Blocks Scheduled
  • No blocks have been scheduled
Measurements
Show Measurements
Plot Visibility
Last Update: 2018-Oct-01 00:00
Orbital Elements
MPC Comet
Epoch of elements (MJD)
58600.0 April 27, 2019
Orbital inclination in deg 154.04278
Longitude of Ascending Node (deg) 87.62238
Arg of perihelion (deg) 162.4925
Eccentricity 0.9438981
Perihelion distance (AU) 1.5579561
Epoch of perihelion Aug. 31, 2018, 1:09 p.m.
Epoch of perihelion (MJD) 58361.54797
Total Magnitude (M1) 12.1
Slope Parameter (k1) 34.0
Physical Parameters
Reciprocal of semimajor axis MPEC 2019-J142
0.03632404 au
PC autocmod 2.8

5
0.03
K2 autocmod 2.8

5
5.0
M2 from 6 observations, autocmod 2.8

5
17.8 +/- 0.3
K1 autocmod 2.8

5
34.0
M1 2 parameter fit from 272 observations, autocmod 2.8

5
12.1 +/- 0.6
Phase Slope MPC Default
4.0
Follow-up Details
NEOCP digest2 score 10
Number of observations 320
Arc length (days) 78.00
Time since last observation (days) 655.91
Spectroscopy Details
Known Taxonomies None