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Minor planet follow-up portal
v. 3.14.2
2021 JW1
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Schedule Spectroscopic Observations
Name
C5H7RF2 → 2021 JW1
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)
Site
Min Altitude
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Measurements
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Last Update: 2021-May-06 05:17
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
59340.0
May 6, 2021
Orbital inclination in deg
17.78305
Longitude of Ascending Node (deg)
138.43404
Arg of perihelion (deg)
191.83569
Eccentricity
0.2965693
Mean distance (AU)
1.5477734
Mean Anomaly (deg)
267.60722
Absolute Magnitude (H)
20.1
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
339
Diameter in meters
(range)
164 - 1269
Physical Parameters
Diameter
Initial Diameter Guess using H=20.1 and albedo=0.14 (0.01 to 0.5)
MPC Default
339.2 m
+930.0 / -160.0
Follow-up Details
NEOCP
digest2
score
86
Number of observations
15
Arc length (days)
1.95
Time since last observation (days)
0.05
Spectroscopy Details
Known Taxonomies
None
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