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Minor planet follow-up portal
v. 3.14.2
2021 JJ2
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Name
C5HX3Z2 → 2021 JJ2
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-08 05:29
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
59340.0
May 6, 2021
Orbital inclination in deg
6.57729
Longitude of Ascending Node (deg)
63.84872
Arg of perihelion (deg)
172.45446
Eccentricity
0.4922481
Mean distance (AU)
2.0967464
Mean Anomaly (deg)
356.53449
Absolute Magnitude (H)
25.6
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
27
Diameter in meters
(range)
13 - 101
Physical Parameters
Diameter
Initial Diameter Guess using H=25.6 and albedo=0.14 (0.01 to 0.5)
MPC Default
26.94 m
+74.0 / -13.0
Follow-up Details
NEOCP
digest2
score
76
Number of observations
25
Arc length (days)
1.86
Time since last observation (days)
0.05
Spectroscopy Details
Known Taxonomies
None
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