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Minor planet follow-up portal
v. 3.14.2
4581 Asclepius (1989 FC)
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Type
NEO (Apollo) [PHA]
Status
Not Following
Source
Arecibo
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: 2020-Sep-24 19:25
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
58996.0
May 27, 2020
Orbital inclination in deg
4.91734
Longitude of Ascending Node (deg)
180.2185
Arg of perihelion (deg)
255.34115
Eccentricity
0.3570552
Mean distance (AU)
1.0226357
Mean Anomaly (deg)
123.46348
Absolute Magnitude (H)
20.76
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
250
Diameter in meters
(range)
121 - 937
Physical Parameters
Absolute Magnitude
MPO267726
20.7
Rotation Period
REFERENCE LIST:[Pravec, P.; Wolf, M.; Sarounova, L. (2019) http://www.asu.cas.cz/~ppravec/neo.htm], [Warner, B.D.; Stephens, R.D. (2019) Minor Planet Bull. 46-4, submitted. (NEA Gaggle) http://www.planetarysciences.org/lightcurves.html]
LCDB (Rev. 2019-August); Warner et al., 2009
8.008 h
Diameter
Initial Diameter Guess using H=20.76 and albedo=0.14 (0.01 to 0.5)
MPC Default
250.3 m
+686.0 / -118.0
Follow-up Details
Number of observations
374
Arc length (days)
3653.00
Time since last observation (days)
5.81
Spectroscopy Details
(Plots)
SMASS Spectra
NIR
Known Taxonomies
None
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