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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-Sep-19 19:21
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
61303.0
Sept. 20, 2026
Orbital inclination in deg
20.052
Longitude of Ascending Node (deg)
294.79371
Arg of perihelion (deg)
326.86797
Eccentricity
0.5659028
Mean distance (AU)
2.1518327
Mean Anomaly (deg)
26.32274
Absolute Magnitude (H)
17.03
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
1395
Diameter in meters
(range)
674 - 5218
Physical Parameters
Diameter
Initial Diameter Guess using H=17.03 and albedo=0.14 (0.01 to 0.5)
MPC Default
1394.64 m
+3824.0 / -657.0
Absolute Magnitude
MPO982507
17.23
Follow-up Details
Number of observations
1110
Arc length (days)
7670.00
Time since last observation (days)
2.81
Spectroscopy Details
Known Taxonomies
None
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