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v. 3.17.4
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-Nov-11 19:20
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
61356.0
Nov. 12, 2026
Orbital inclination in deg
4.44111
Longitude of Ascending Node (deg)
177.72164
Arg of perihelion (deg)
316.21541
Eccentricity
0.7118254
Mean distance (AU)
2.5263481
Mean Anomaly (deg)
345.97859
Absolute Magnitude (H)
16.75
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
1587
Diameter in meters
(range)
766 - 5936
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
709
Arc length (days)
6940.00
Time since last observation (days)
0.81
Spectroscopy Details
Known Taxonomies
None
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