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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-Mar-18 19:18
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
61117.0
March 18, 2026
Orbital inclination in deg
20.05622
Longitude of Ascending Node (deg)
294.79832
Arg of perihelion (deg)
326.85184
Eccentricity
0.5656329
Mean distance (AU)
2.15044
Mean Anomaly (deg)
328.21738
Absolute Magnitude (H)
17.21
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
1284
Diameter in meters
(range)
620 - 4803
Physical Parameters
Diameter
Initial Diameter Guess using H=17.21 and albedo=0.14 (0.01 to 0.5)
MPC Default
1283.69 m
+3519.0 / -604.0
Absolute Magnitude
E2026-EA1
17.25
Follow-up Details
Number of observations
312
Arc length (days)
7670.00
Time since last observation (days)
0.80
Spectroscopy Details
Known Taxonomies
None
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