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Minor planet follow-up portal
v. 3.15.2
137126 (1999 CF9)
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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)
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-Oct-22 19:08
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
60604.0
Oct. 21, 2024
Orbital inclination in deg
5.54636
Longitude of Ascending Node (deg)
156.86931
Arg of perihelion (deg)
90.54186
Eccentricity
0.6011611
Mean distance (AU)
1.7724431
Mean Anomaly (deg)
282.55935
Absolute Magnitude (H)
18.19
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
817
Diameter in meters
(range)
395 - 3059
Physical Parameters
Diameter
Initial Diameter Guess using H=18.19 and albedo=0.14 (0.01 to 0.5)
MPC Default
817.45 m
+2241.0 / -385.0
Absolute Magnitude
E2023W66
18.14
Follow-up Details
Number of observations
677
Arc length (days)
7305.00
Time since last observation (days)
2232.80
Spectroscopy Details
Known Taxonomies
None
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