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Minor planet follow-up portal
v. 3.17.1
164216 (2004 OT11)
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Type
NEO (Apollo) [PHA]
Status
Actively Following
Characterization Target
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,V45,V47; (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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Min Altitude
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Measurements
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Last Update: 2026-Aug-29 19:21
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
61282.0
Aug. 30, 2026
Orbital inclination in deg
20.05218
Longitude of Ascending Node (deg)
294.79421
Arg of perihelion (deg)
326.86773
Eccentricity
0.5659106
Mean distance (AU)
2.1518685
Mean Anomaly (deg)
19.76501
Absolute Magnitude (H)
17.04
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
1388
Diameter in meters
(range)
671 - 5194
Physical Parameters
Diameter
Initial Diameter Guess using H=17.04 and albedo=0.14 (0.01 to 0.5)
MPC Default
1388.23 m
+3806.0 / -654.0
Absolute Magnitude
MPO982507
17.23
Follow-up Details
Number of observations
863
Arc length (days)
7670.00
Time since last observation (days)
1.81
Spectroscopy Details
Known Taxonomies
None
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