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v. 3.14.2
NEOWISE (C/2021 A10)
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Name
N00hurv → C/2021 A10
Type
Comet (Long Period)
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-Feb-20 00:00
Orbital Elements
MPC Comet
Epoch of elements (MJD)
59400.0
July 5, 2021
Orbital inclination in deg
151.52486
Longitude of Ascending Node (deg)
188.34943
Arg of perihelion (deg)
82.26828
Eccentricity
0.9863648
Perihelion distance (AU)
1.2685459
Epoch of perihelion
March 15, 2021, 6:21 a.m.
Epoch of perihelion (MJD)
59288.26499
Total Magnitude (M1)
19.6
Slope Parameter (k1)
4.5
Physical Parameters
Reciprocal of semimajor axis
E2021-N06
0.011698 au
+/- 0.0000047
+/- 0.0000047
K1
autocmod 2.9c
5
4.5
M1
2 parameter fit from 99 observations, autocmod 2.9c
5
19.6
+/- 0.5
Absolute Magnitude
MPC Default
18.3
Diameter
Initial Diameter Guess using H=18.3 and albedo=0.14 (0.01 to 0.5)
MPC Default
777.07 m
+2130.0 / -366.0
Follow-up Details
NEOCP
digest2
score
35
Number of observations
118
Arc length (days)
56.00
Time since last observation (days)
372.07
Spectroscopy Details
Known Taxonomies
None
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