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Minor planet follow-up portal
v. 3.14.2
438908 (2009 XO)
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Type
NEO (Apollo) [PHA]
Status
Not Following
Source
Goldstone
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-Jun-10 06:34
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
59200.0
Dec. 17, 2020
Orbital inclination in deg
0.35075
Longitude of Ascending Node (deg)
27.73483
Arg of perihelion (deg)
140.71625
Eccentricity
0.542498
Mean distance (AU)
1.8596945
Mean Anomaly (deg)
103.04453
Absolute Magnitude (H)
20.65
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
263
Diameter in meters
(range)
127 - 985
Physical Parameters
Diameter
Initial Diameter Guess using H=20.65 and albedo=0.14 (0.01 to 0.5)
MPC Default
263.31 m
+722.0 / -124.0
Absolute Magnitude
E2021B25
20.65
Follow-up Details
Number of observations
687
Arc length (days)
3868.00
Time since last observation (days)
322.27
Spectroscopy Details
Known Taxonomies
None
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