Schedule Observations Schedule Spectroscopic Observations
NameC2G7HL1 → C/2021 U5
Type Comet
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: 2022-Feb-20 00:00
Orbital Elements
MPC Comet
Epoch of elements (MJD)
59600.0 Jan. 21, 2022
Orbital inclination in deg 39.04922
Longitude of Ascending Node (deg) 182.75538
Arg of perihelion (deg) 321.47052
Eccentricity 0.9890894
Perihelion distance (AU) 2.3632850
Epoch of perihelion Jan. 26, 2022, 2:39 p.m.
Epoch of perihelion (MJD) 59605.61076
Total Magnitude (M1) 6.9
Slope Parameter (k1) 23.75
Physical Parameters
Reciprocal of semimajor axis E2022-D36
0.004772 au +/- 0.0000016
+/- 0.0000016
PC autocmod 3.0a

8
0.03
K2 autocmod 3.0a

8
5.0
M2 from 3 observations, autocmod 3.0a

8
14.8 +/- 0.1
K1 autocmod 3.0a

8
23.75
M1 from 173 observations, assumed slope, autocmod 3.0a

8
6.9 +/- 0.6
Diameter Initial Diameter Guess using H=14.1 and albedo=0.14 (0.01 to 0.5)

MPC Default
5376.02 m +14739.0 / -2531.0
Follow-up Details
NEOCP digest2 score 35
Number of observations 194
Arc length (days) 114.00
Time since last observation (days) 7.05
Spectroscopy Details
Known Taxonomies None