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Minor planet follow-up portal
v. 3.13.3
2023 RY21
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Name
C9GKQ92 → 2023 RY21
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.)
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: 2023-Sep-19 02:24
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
60204.0
Sept. 17, 2023
Orbital inclination in deg
39.9317
Longitude of Ascending Node (deg)
226.64924
Arg of perihelion (deg)
119.25238
Eccentricity
0.6190844
Mean distance (AU)
6.6405334
Mean Anomaly (deg)
11.01553
Absolute Magnitude (H)
15.7
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
2573
Diameter in meters
(range)
1243 - 9628
Physical Parameters
Diameter
Initial Diameter Guess using H=15.7 and albedo=0.14 (0.01 to 0.5)
MPC Default
2573.13 m
+7055.0 / -1212.0
Follow-up Details
NEOCP
digest2
score
28
Number of observations
18
Arc length (days)
2.90
Time since last observation (days)
1.36
Spectroscopy Details
Known Taxonomies
None
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