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217628 Lugh (1990 HA)
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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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Last Update: 2026-Jan-01 06:03
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
61042.0
Jan. 2, 2026
Orbital inclination in deg
4.44021
Longitude of Ascending Node (deg)
177.72541
Arg of perihelion (deg)
316.19666
Eccentricity
0.7117427
Mean distance (AU)
2.526631
Mean Anomaly (deg)
268.9213
Absolute Magnitude (H)
16.72
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
1609
Diameter in meters
(range)
777 - 6019
Physical Parameters
Rotation Period
[Result based on fragmentary lightcurve(s), may be completely wrong.] REFERENCE LIST:[Wisniewski, W.Z.; Michalowski, T.M.; Harris, A.W.; McMillan, R.S. (1997) Icarus 126, 395-449; 1995, Lunar & Planetary Sci. XXVI, 1511-1512.]
LCDB (Rev. 2023-October); Warner et al., 2009
8.55 h
Diameter
based on assumed medium albedo (0.15)
Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543
1.4 km
Absolute Magnitude
MPO778512
16.68
Follow-up Details
Number of observations
438
Arc length (days)
6574.00
Time since last observation (days)
1124.25
Spectroscopy Details
Known Taxonomies
None
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