Schedule Observations Schedule Spectroscopic Observations
NameASASSN1 → C/2017 O1
Type Comet (Long Period)
Status Not Following
Source Minor Planet Center
Check Spectroscopic Feasibility Create LC Plot
Recent Blocks Scheduled
Measurements
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Last Update: 2019-Mar-12 00:00
Orbital Elements
MPC Comet
Epoch of elements (MJD)
59200.0 Dec. 17, 2020
Orbital inclination in deg 39.90508
Longitude of Ascending Node (deg) 25.75927
Arg of perihelion (deg) 20.84385
Eccentricity 0.9958175
Perihelion distance (AU) 1.4945796
Epoch of perihelion Oct. 14, 2017, 9:11 p.m.
Epoch of perihelion (MJD) 58040.88326
Total Magnitude (M1) 12.3
Slope Parameter (k1) 8.75
Physical Parameters
Reciprocal of semimajor axis E2021-L04
0.002477 au +/- 0.0000008
+/- 0.0000008
K1 autocmod 2.9c

20
8.75
M1 2 parameter fit from 353 observations, autocmod 2.9c

20
12.3 +/- 1.0
Follow-up Details
NEOCP digest2 score 10
Number of observations 2902
Arc length (days) 601.00
Time since last observation (days) 1083.12
Spectroscopy Details
Known Taxonomies None