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Minor planet follow-up portal
v. 3.14.2
2020 SG4
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Name
C39J7E2 → 2020 SG4
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: 2020-Sep-24 06:20
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
59115.0
Sept. 23, 2020
Orbital inclination in deg
3.64251
Longitude of Ascending Node (deg)
351.21758
Arg of perihelion (deg)
6.11604
Eccentricity
0.3654122
Mean distance (AU)
1.6777149
Mean Anomaly (deg)
0.47357
Absolute Magnitude (H)
26.4
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
19
Diameter in meters
(range)
9 - 70
Physical Parameters
Absolute Magnitude
MPC Default
26.4
Diameter
Initial Diameter Guess using H=26.4 and albedo=0.14 (0.01 to 0.5)
MPC Default
18.64 m
+51.0 / -9.0
Phase Slope
MPC Default
0.15
Follow-up Details
NEOCP
digest2
score
98
Number of observations
11
Arc length (days)
0.99
Time since last observation (days)
0.03
Spectroscopy Details
Known Taxonomies
None
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