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Minor planet follow-up portal
v. 3.14.2
2021 UU2
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Name
P21niAp → 2021 UU2
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-Oct-28 21:20
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
59515.0
Oct. 28, 2021
Orbital inclination in deg
20.26729
Longitude of Ascending Node (deg)
222.87272
Arg of perihelion (deg)
39.0049
Eccentricity
0.6519846
Mean distance (AU)
1.1682866
Mean Anomaly (deg)
52.81038
Absolute Magnitude (H)
23.4
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
74
Diameter in meters
(range)
36 - 278
Physical Parameters
Diameter
Initial Diameter Guess using H=23.4 and albedo=0.14 (0.01 to 0.5)
MPC Default
74.21 m
+203.0 / -35.0
Follow-up Details
NEOCP
digest2
score
81
Number of observations
16
Arc length (days)
2.04
Time since last observation (days)
0.52
Spectroscopy Details
Known Taxonomies
None
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