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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)
Site
Min Altitude
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Measurements
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Last Update: 2026-May-25 06:19
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
61183.0
May 23, 2026
Orbital inclination in deg
20.05613
Longitude of Ascending Node (deg)
294.79756
Arg of perihelion (deg)
326.85331
Eccentricity
0.5656537
Mean distance (AU)
2.1505109
Mean Anomaly (deg)
348.84606
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
E2026-EA1
17.25
Follow-up Details
Number of observations
401
Arc length (days)
7670.00
Time since last observation (days)
1.81
Spectroscopy Details
Known Taxonomies
None
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