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v. 3.14.2
2022 SM21
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Name
P11zf2G → 2022 SM21
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: 2022-Sep-29 02:41
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
59850.0
Sept. 28, 2022
Orbital inclination in deg
2.03111
Longitude of Ascending Node (deg)
350.32916
Arg of perihelion (deg)
85.44591
Eccentricity
0.6315012
Mean distance (AU)
2.1110416
Mean Anomaly (deg)
344.33848
Absolute Magnitude (H)
27.3
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
12
Diameter in meters
(range)
6 - 46
Physical Parameters
Diameter
Initial Diameter Guess using H=27.3 and albedo=0.14 (0.01 to 0.5)
MPC Default
12.32 m
+34.0 / -6.0
Follow-up Details
NEOCP
digest2
score
86
Number of observations
14
Arc length (days)
4.68
Time since last observation (days)
0.18
Spectroscopy Details
Known Taxonomies
None
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