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v. 3.14.2
PANSTARRS (C/2021 N3)
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Name
P11i1NI → C/2021 N3
Type
Comet (Jupiter Family)
Status
Not Following
Source
Minor Planet Center
UTC date
------------ Any 1.0m ------------
LSC 1.0m - W85-87; (CTIO, Chile)
ELP 1.0m - V37,V39; (McDonald, Texas)
COJ 1.0m - Q63-64; (Siding Spring, Aust.)
CPT 1.0m - K91-93; (Sutherland, S. Africa)
TFN 1.0m - Z31,Z24; (Tenerife, Spain)
------------ Any 0.4m ------------
LSC 0.4m - W89,W79; (CTIO, Chile)
ELP 0.4m - V38; (McDonald, Texas)
OGG 0.4m - T03-04; (Maui, Hawaii)
COJ 0.4m - Q58-59; (Siding Spring, Aust.)
CPT 0.4m - L09; (Sutherland, S. Africa)
TFN 0.4m - Z17,Z21; (Tenerife, Spain)
------------ Any 2.0m ------------
FTS 2.0m - E10; (Siding Spring, Aust.) [MuSCAT4]
FTN 2.0m - F65; (Maui, Hawaii ) [MuSCAT3]
------------ Non LCO ------------
Mt John 1.8m - 474 (Mt John, NZ)
Site
Min Altitude
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Measurements
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Last Update: 2021-Oct-01 00:00
Orbital Elements
MPC Comet
Epoch of elements (MJD)
59600.0
Jan. 21, 2022
Orbital inclination in deg
26.75033
Longitude of Ascending Node (deg)
337.49429
Arg of perihelion (deg)
304.62853
Eccentricity
0.9645982
Perihelion distance (AU)
5.7080540
Epoch of perihelion
Aug. 19, 2020, 2:48 a.m.
Epoch of perihelion (MJD)
59080.11704
Total Magnitude (M1)
7.1
Slope Parameter (k1)
12.25
Physical Parameters
Reciprocal of semimajor axis
E2021-W31
0.009265 au
+/- 0.0000651
+/- 0.0000651
K1
autocmod 2.9e
6
12.25
M1
from 60 observations, assumed slope, autocmod 2.9e
6
7.1
+/- 0.7
Diameter
Initial Diameter Guess using H=12.5 and albedo=0.14 (0.01 to 0.5)
MPC Default
11232.1 m
+30795.0 / -5289.0
Follow-up Details
NEOCP
digest2
score
35
Number of observations
65
Arc length (days)
110.00
Time since last observation (days)
149.06
Spectroscopy Details
Known Taxonomies
None
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