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Minor planet follow-up portal
v. 3.14.2
2021 GL4
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Name
C5D6GE2 → 2021 GL4
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)
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Measurements
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Last Update: 2021-Apr-08 21:20
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
59311.0
April 7, 2021
Orbital inclination in deg
0.59986
Longitude of Ascending Node (deg)
125.02946
Arg of perihelion (deg)
100.59858
Eccentricity
0.6022906
Mean distance (AU)
2.4758709
Mean Anomaly (deg)
354.1182
Absolute Magnitude (H)
27.6
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
11
Diameter in meters
(range)
5 - 40
Physical Parameters
Absolute Magnitude
MPC Default
27.6
Diameter
Initial Diameter Guess using H=27.6 and albedo=0.14 (0.01 to 0.5)
MPC Default
10.73 m
+29.0 / -5.0
Follow-up Details
NEOCP
digest2
score
96
Number of observations
15
Arc length (days)
1.59
Time since last observation (days)
0.04
Spectroscopy Details
Known Taxonomies
None
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