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Minor planet follow-up portal
v. 3.14.2
2022 SL21
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Name
C845942 → 2022 SL21
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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Last Update: 2022-Sep-29 05:20
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
59850.0
Sept. 28, 2022
Orbital inclination in deg
8.99369
Longitude of Ascending Node (deg)
7.32006
Arg of perihelion (deg)
333.09434
Eccentricity
0.4027775
Mean distance (AU)
1.702464
Mean Anomaly (deg)
9.64865
Absolute Magnitude (H)
26.6
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
17
Diameter in meters
(range)
8 - 64
Physical Parameters
Diameter
Initial Diameter Guess using H=26.6 and albedo=0.14 (0.01 to 0.5)
MPC Default
17.0 m
+47.0 / -8.0
Absolute Magnitude
MPC Default
26.6
Follow-up Details
NEOCP
digest2
score
86
Number of observations
19
Arc length (days)
6.78
Time since last observation (days)
0.02
Spectroscopy Details
Known Taxonomies
None
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