217628 Lugh (1990 HA)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7117285014 ± 2.09e-08
Semi-major axis (a)2.5267042993 AU ± 7.49e-09
Inclination (i)4.43992510° ± 2.51e-06
Long. of Asc. Node (Ω)177.72683687° ± 3.85e-05
Arg. of Perihelion (ω)316.19293222° ± 3.91e-05
Mean Anomaly (M)258.61856507° ± 1.22e-06
Mean Motion (n)0.2454034405°/day ± 1.09e-09
Perihelion dist (q)0.72837683 AU ± 5.29e-08
Aphelion dist (Q)4.32503176 AU ± 5.43e-08
Orbital Period4.01635071 yr ± 1.78e-08
Physical Parameters
H (abs. magnitude)16.68
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.225″
Uncertainty0
Orbit TypeApollo
MOID0.033952 AU
Observations Used473
Oppositions47
Arc Total1960-2022
First Observation Used1960-09-24
Last Observation Used2022-12-04
Observations (506)
Date Type RA Dec Mag Band Observatory
1990-05-20 02:57:30 A 13 55 13.98 -03 12 34.4 801
1990-05-20 03:14:46 A 13 55 14.40 -03 12 41.3 801
1990-05-25 02:41:33 A 13 58 45.36 -03 57 33.2 801
1990-05-25 03:07:11 A 13 58 46.04 -03 57 42.8 801
2005-08-28 06:22:04 C 22 49 07.37 -05 00 55.1 d 291
2005-08-28 06:34:49 C 22 49 06.80 -05 00 58.0 d 291
2005-08-28 06:43:46 C 22 49 06.55 -05 01 00.3 d 291
2005-08-31 07:15:34 C 22 46 14.07 -05 19 42.2 d 291
2005-08-31 07:37:07 C 22 46 13.15 -05 19 47.5 d 291
2005-08-31 07:47:40 C 22 46 12.77 -05 19 51.1 d 291
2008-07-05 06:26:55 C 21 07 56.58 -12 12 16.3 22.7 o H55
2008-07-05 07:17:40 C 21 07 55.13 -12 12 21.3 22.9 o H55
2009-07-20 07:48:37 C 22 55 58.40 -04 03 15.2 o H55
2009-07-20 08:05:57 C 22 55 58.07 -04 03 16.3 o H55
2009-08-23 10:50:49 C 22 32 02.87 -06 27 12.9 o F65
2009-08-23 10:55:04 C 22 32 02.72 -06 27 14.0 o F65
2014-09-25 11:39:52 C 08 31 03.06 +15 30 35.0 q 703
2014-09-25 11:52:54 C 08 31 06.29 +15 30 22.9 q 703
2014-09-25 11:59:23 C 08 31 07.89 +15 30 16.4 q 703
2017-08-28 06:20:47 C 22 05 42.556 -08 40 35.25 U 309
2017-08-28 06:24:11 C 22 05 42.416 -08 40 35.87 U 309
2017-08-28 06:25:56 C 22 05 42.340 -08 40 36.47 U 309
2017-08-28 06:27:41 C 22 05 42.291 -08 40 36.84 U 309
2017-08-28 06:29:25 C 22 05 42.236 -08 40 36.93 U 309
2017-08-28 06:31:09 C 22 05 42.159 -08 40 37.70 U 309
2017-08-28 06:32:54 C 22 05 42.100 -08 40 37.84 U 309
2017-08-28 06:34:37 C 22 05 42.028 -08 40 38.24 U 309
2017-08-28 06:36:22 C 22 05 41.956 -08 40 38.65 U 309
2017-08-28 06:38:07 C 22 05 41.897 -08 40 38.93 U 309
2017-08-28 06:39:51 C 22 05 41.828 -08 40 39.22 U 309
2018-09-21 03:12:11 C 06 06 18.22 +19 48 54.2 q 160
2018-09-21 03:15:20 C 06 06 18.87 +19 48 53.5 q 160
2018-09-21 03:19:04 C 06 06 19.63 +19 48 52.0 q 160
2018-10-05 11:05:56 C 07 26 15.87 +17 16 04.7 V 703
2018-10-05 11:13:28 C 07 26 17.82 +17 15 59.0 V 703
2018-10-05 11:21:01 C 07 26 19.76 +17 15 53.7 V 703
2018-10-14 03:37:23 C 08 22 56.87 +14 07 05.4 q 160
2018-10-14 03:40:42 C 08 22 57.83 +14 07 01.5 q 160
2018-10-14 03:44:24 C 08 22 58.83 +14 06 57.5 q 160
2018-10-18 11:23:03 C 08 52 37.23 +12 04 37.7 V 703
2018-10-18 11:30:07 C 08 52 39.27 +12 04 28.8 V 703
2018-10-18 11:37:10 C 08 52 41.28 +12 04 20.2 V 703
2018-10-18 11:44:13 C 08 52 43.32 +12 04 11.5 V 703
2018-11-15 12:14:53 C 11 56 20.83 -03 59 55.7 V 703
2018-11-15 12:23:29 C 11 56 22.85 -04 00 06.5 V 703
2018-11-15 12:32:04 C 11 56 24.97 -04 00 17.5 V 703
2018-11-15 12:40:41 C 11 56 27.06 -04 00 29.4 V 703
2018-12-15 13:20:41 C 14 26 38.96 -15 41 37.8 U I41
2018-12-15 13:27:38 C 14 26 40.20 -15 41 42.2 U I41
2018-12-15 13:34:33 C 14 26 41.44 -15 41 47.0 U I41