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Minor planet follow-up portal
v. 3.14.2
PANSTARRS (P/2021 C2)
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Name
P11dgUs → P/2021 C2
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-Jun-08 00:00
Orbital Elements
MPC Comet
Epoch of elements (MJD)
59400.0
July 5, 2021
Orbital inclination in deg
21.92686
Longitude of Ascending Node (deg)
66.49367
Arg of perihelion (deg)
78.80448
Eccentricity
0.4873494
Perihelion distance (AU)
4.8901940
Epoch of perihelion
Feb. 24, 2021, 10:17 a.m.
Epoch of perihelion (MJD)
59269.42890
Total Magnitude (M1)
11.4
Slope Parameter (k1)
10.0
Physical Parameters
K1
autocmod 2.9e
7
10.0
M1
from 42 observations, assumed slope, autocmod 2.9e
7
11.4
+/- 0.9
Diameter
Initial Diameter Guess using H=15.0 and albedo=0.14 (0.01 to 0.5)
MPC Default
3551.9 m
+9738.0 / -1672.0
Follow-up Details
NEOCP
digest2
score
35
Number of observations
54
Arc length (days)
142.00
Time since last observation (days)
264.07
Spectroscopy Details
Known Taxonomies
None
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