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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-Apr-11 06:17
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
61137.0
April 7, 2026
Orbital inclination in deg
20.05616
Longitude of Ascending Node (deg)
294.79808
Arg of perihelion (deg)
326.85286
Eccentricity
0.5656355
Mean distance (AU)
2.1504326
Mean Anomaly (deg)
334.46811
Absolute Magnitude (H)
17.19
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
1296
Diameter in meters
(range)
626 - 4848
Physical Parameters
Diameter
Initial Diameter Guess using H=17.19 and albedo=0.14 (0.01 to 0.5)
MPC Default
1295.57 m
+3552.0 / -610.0
Absolute Magnitude
E2026-EA1
17.25
Follow-up Details
Number of observations
342
Arc length (days)
7670.00
Time since last observation (days)
1.80
Spectroscopy Details
Known Taxonomies
None
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