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Minor planet follow-up portal
v. 3.15.3
2021 UT4
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Name
P11niys → 2021 UT4
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)
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Measurements
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Last Update: 2021-Oct-30 08:01
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
59514.0
Oct. 27, 2021
Orbital inclination in deg
29.00933
Longitude of Ascending Node (deg)
75.66505
Arg of perihelion (deg)
274.53776
Eccentricity
0.5081108
Mean distance (AU)
2.6902858
Mean Anomaly (deg)
14.05284
Absolute Magnitude (H)
20.2
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
324
Diameter in meters
(range)
156 - 1212
Physical Parameters
Diameter
Initial Diameter Guess using H=20.2 and albedo=0.14 (0.01 to 0.5)
MPC Default
323.94 m
+888.0 / -153.0
Follow-up Details
NEOCP
digest2
score
91
Number of observations
11
Arc length (days)
2.76
Time since last observation (days)
0.71
Spectroscopy Details
Known Taxonomies
None
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