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Minor planet follow-up portal
v. 3.8.3
C/2021 A7
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Name
N00hue0 → C/2021 A7
Type
Comet
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)
------------ 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.)
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-Jan-15 02:24
Orbital Elements
MPC Comet
Epoch of elements (MJD)
59226.0
Jan. 12, 2021
Orbital inclination in deg
78.0237
Longitude of Ascending Node (deg)
154.81758
Arg of perihelion (deg)
356.10562
Eccentricity
0.9743904
Perihelion distance (AU)
1.9732318
Epoch of perihelion
July 16, 2021, 5:02 p.m.
Epoch of perihelion (MJD)
59411.70980
Total Magnitude (M1)
12.4
Slope Parameter (k1)
10.0
Physical Parameters
Diameter
Initial Diameter Guess using H=12.4 and albedo=0.14 (0.01 to 0.5)
MPC Default
11761.45 m
+32246.0 / -5538.0
Follow-up Details
NEOCP
digest2
score
35
Number of observations
62
Arc length (days)
5.46
Time since last observation (days)
1.28
Spectroscopy Details
Known Taxonomies
None
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