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Minor planet follow-up portal
v. 3.16.4
31720 (1999 JW59)
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Type
Asteroid (Main-Belt)
Status
Actively Following
Characterization Target
Source
LCOGT
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: 2025-Apr-28 07:08
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
60776.0
April 11, 2025
Orbital inclination in deg
10.5205
Longitude of Ascending Node (deg)
217.69699
Arg of perihelion (deg)
69.90693
Eccentricity
0.1492966
Mean distance (AU)
3.0780016
Mean Anomaly (deg)
243.22418
Absolute Magnitude (H)
14.41
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
4661
Diameter in meters
(range)
2251 - 17439
Physical Parameters
Absolute Magnitude
E2025G08
14.18
Diameter
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
6.416 km
+/- 0.227
Albedo
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
0.118
+/- 0.025
Follow-up Details
Number of observations
862
Arc length (days)
7670.00
Time since last observation (days)
2265.84
Spectroscopy Details
Known Taxonomies
None
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