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v. 3.14.2
PANSTARRS (C/2021 G3)
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Name
P11ebKr → C/2021 G3
Type
Comet (Hyperbolic)
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: 2022-Jan-31 00:00
Orbital Elements
MPC Comet
Epoch of elements (MJD)
59600.0
Jan. 21, 2022
Orbital inclination in deg
102.85548
Longitude of Ascending Node (deg)
147.40544
Arg of perihelion (deg)
10.40104
Eccentricity
1.0001848
Perihelion distance (AU)
5.1780079
Epoch of perihelion
Oct. 16, 2021, 1:44 p.m.
Epoch of perihelion (MJD)
59503.57231
Total Magnitude (M1)
7.5
Slope Parameter (k1)
15.0
Physical Parameters
Reciprocal of semimajor axis
E2022-C56
0.000145 au
+/- 0.0008937
+/- 0.0008937
K1
autocmod 3.0a
2
15.0
M1
from 49 observations, assumed slope, autocmod 3.0a
2
7.5
+/- 0.5
Diameter
Initial Diameter Guess using H=14.6 and albedo=0.14 (0.01 to 0.5)
MPC Default
4270.33 m
+11708.0 / -2011.0
Follow-up Details
NEOCP
digest2
score
35
Number of observations
13
Arc length (days)
27.00
Time since last observation (days)
27.07
Spectroscopy Details
Known Taxonomies
None
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