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Minor planet follow-up portal
v. 3.14.2
2021 JR3
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Name
Sar2540 → 2021 JR3
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-May-10 07:26
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
59344.0
May 10, 2021
Orbital inclination in deg
0.95617
Longitude of Ascending Node (deg)
223.79812
Arg of perihelion (deg)
76.53831
Eccentricity
0.6890059
Mean distance (AU)
2.3892062
Mean Anomaly (deg)
347.92621
Absolute Magnitude (H)
24.9
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
37
Diameter in meters
(range)
18 - 139
Physical Parameters
Diameter
Initial Diameter Guess using H=24.9 and albedo=0.14 (0.01 to 0.5)
MPC Default
37.19 m
+102.0 / -18.0
Follow-up Details
NEOCP
digest2
score
91
Number of observations
49
Arc length (days)
8.83
Time since last observation (days)
0.30
Spectroscopy Details
Known Taxonomies
None
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