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Minor planet follow-up portal
v. 3.14.2
2021 JJ8
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Name
C5PF8R2 → 2021 JJ8
Type
Asteroid
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
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Measurements
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Last Update: 2021-May-15 18:10
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
59349.0
May 15, 2021
Orbital inclination in deg
31.07933
Longitude of Ascending Node (deg)
239.43932
Arg of perihelion (deg)
350.56815
Eccentricity
0.2016534
Mean distance (AU)
2.0138163
Mean Anomaly (deg)
5.59334
Absolute Magnitude (H)
19.2
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
513
Diameter in meters
(range)
248 - 1921
Physical Parameters
Diameter
Initial Diameter Guess using H=19.2 and albedo=0.14 (0.01 to 0.5)
MPC Default
513.41 m
+1408.0 / -242.0
Follow-up Details
NEOCP
digest2
score
36
Number of observations
22
Arc length (days)
1.17
Time since last observation (days)
0.81
Spectroscopy Details
Known Taxonomies
None
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