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Minor planet follow-up portal
v. 3.14.2
2021 GW2
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Name
C5C87A2 → 2021 GW2
Type
NEO
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-Apr-06 04:54
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
59309.0
April 5, 2021
Orbital inclination in deg
23.57626
Longitude of Ascending Node (deg)
20.11847
Arg of perihelion (deg)
240.68396
Eccentricity
0.6005269
Mean distance (AU)
2.1600477
Mean Anomaly (deg)
343.87191
Absolute Magnitude (H)
24.8
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
39
Diameter in meters
(range)
19 - 146
Physical Parameters
Diameter
Initial Diameter Guess using H=24.8 and albedo=0.14 (0.01 to 0.5)
MPC Default
38.95 m
+107.0 / -18.0
Follow-up Details
NEOCP
digest2
score
93
Number of observations
16
Arc length (days)
0.88
Time since last observation (days)
0.68
Spectroscopy Details
Known Taxonomies
None
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