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Minor planet follow-up portal
v. 3.17.1a
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; (McDonald, Texas)
ELP 0.4m - V45; (McDonald, Texas)
ELP 0.4m - V99; (TEMP; 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-Feb-26 19:19
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
61098.0
Feb. 27, 2026
Orbital inclination in deg
20.05628
Longitude of Ascending Node (deg)
294.79849
Arg of perihelion (deg)
326.85032
Eccentricity
0.5656321
Mean distance (AU)
2.1504686
Mean Anomaly (deg)
322.27991
Absolute Magnitude (H)
17.22
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
1278
Diameter in meters
(range)
617 - 4781
Physical Parameters
Diameter
Initial Diameter Guess using H=17.22 and albedo=0.14 (0.01 to 0.5)
MPC Default
1277.79 m
+3503.0 / -602.0
Absolute Magnitude
E2025B01
17.28
Follow-up Details
Number of observations
267
Arc length (days)
7670.00
Time since last observation (days)
1.80
Spectroscopy Details
Known Taxonomies
None
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