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v. 3.14.2
2021 OK
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Name
17F1C21 → 2021 OK
Type
NEO
Status
Not Following
Source
Minor Planet Center
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: 2021-Jul-19 12:33
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
59413.0
July 18, 2021
Orbital inclination in deg
22.07265
Longitude of Ascending Node (deg)
108.44285
Arg of perihelion (deg)
187.86768
Eccentricity
0.2242407
Mean distance (AU)
1.4153452
Mean Anomaly (deg)
0.03529
Absolute Magnitude (H)
23.4
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
74
Diameter in meters
(range)
36 - 278
Physical Parameters
Diameter
Initial Diameter Guess using H=23.4 and albedo=0.14 (0.01 to 0.5)
MPC Default
74.21 m
+203.0 / -35.0
Follow-up Details
NEOCP
digest2
score
81
Number of observations
18
Arc length (days)
3.06
Time since last observation (days)
0.36
Spectroscopy Details
Known Taxonomies
None
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