Schedule Observations Schedule Spectroscopic Observations
NameA100QhO → C/2016 N4
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: 2020-Mar-26 00:00
Orbital Elements
MPC Comet
Epoch of elements (MJD)
59400.0 July 5, 2021
Orbital inclination in deg 72.63534
Longitude of Ascending Node (deg) 353.99207
Arg of perihelion (deg) 55.94254
Eccentricity 0.9989901
Perihelion distance (AU) 3.1973064
Epoch of perihelion Sept. 16, 2017, 7:49 p.m.
Epoch of perihelion (MJD) 58012.82592
Total Magnitude (M1) 11.1
Slope Parameter (k1) 4.5
Physical Parameters
Reciprocal of semimajor axis E2021-N06
0.000131 au +/- 0.0000006
+/- 0.0000006
K1 autocmod 2.9c

31
4.5
M1 2 parameter fit from 709 observations, autocmod 2.9c

31
11.1 +/- 0.7
Follow-up Details
NEOCP digest2 score 88
Number of observations 2086
Arc length (days) 1658.00
Time since last observation (days) 703.13
Spectroscopy Details
Known Taxonomies None