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Minor planet follow-up portal
v. 3.15.2
2011 HJ7
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Type
NEO (Apollo)
Status
Not Following
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)
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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Measurements
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Last Update: 2024-Dec-09 20:27
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
60000.0
Feb. 25, 2023
Orbital inclination in deg
1.13192
Longitude of Ascending Node (deg)
34.54513
Arg of perihelion (deg)
297.23071
Eccentricity
0.5159533
Mean distance (AU)
1.2486673
Mean Anomaly (deg)
108.33134
Absolute Magnitude (H)
22.39
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
118
Diameter in meters
(range)
57 - 442
Physical Parameters
Diameter
Initial Diameter Guess using H=22.39 and albedo=0.14 (0.01 to 0.5)
MPC Default
118.16 m
+324.0 / -56.0
Absolute Magnitude
MPO732836
22.39
Follow-up Details
Number of observations
100
Arc length (days)
4260.00
Time since last observation (days)
666.89
Spectroscopy Details
Known Taxonomies
None
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