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v. 3.17.1
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,V45,V47; (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-Sep-06 06:17
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
61281.0
Aug. 29, 2026
Orbital inclination in deg
4.44122
Longitude of Ascending Node (deg)
177.72337
Arg of perihelion (deg)
316.21177
Eccentricity
0.7117885
Mean distance (AU)
2.5261639
Mean Anomaly (deg)
327.56571
Absolute Magnitude (H)
16.74
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
1594
Diameter in meters
(range)
770 - 5964
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
466
Arc length (days)
6940.00
Time since last observation (days)
1.80
Spectroscopy Details
Known Taxonomies
None
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