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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-Jul-18 19:20
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
61240.0
July 19, 2026
Orbital inclination in deg
20.05646
Longitude of Ascending Node (deg)
294.79692
Arg of perihelion (deg)
326.85467
Eccentricity
0.5657774
Mean distance (AU)
2.1511254
Mean Anomaly (deg)
6.65718
Absolute Magnitude (H)
17.16
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
1314
Diameter in meters
(range)
635 - 4915
Physical Parameters
Diameter
Initial Diameter Guess using H=17.16 and albedo=0.14 (0.01 to 0.5)
MPC Default
1313.59 m
+3601.0 / -619.0
Absolute Magnitude
MPO982507
17.23
Follow-up Details
Number of observations
427
Arc length (days)
7670.00
Time since last observation (days)
4.81
Spectroscopy Details
Known Taxonomies
None
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