2011 YH28

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7167885879 ± 4.01e-06
Semi-major axis (a)2.6109363019 AU ± 1.93e-05
Inclination (i)8.73700218° ± 7.89e-05
Long. of Asc. Node (Ω)284.08457256° ± 6.64e-04
Arg. of Perihelion (ω)288.88872574° ± 7.63e-04
Mean Anomaly (M)79.14261638° ± 1.50e-02
Mean Motion (n)0.2336242183°/day ± 2.59e-06
Perihelion dist (q)0.73944696 AU ± 1.18e-05
Aphelion dist (Q)4.48242565 AU ± 3.48e-05
Orbital Period4.21885321 yr ± 4.68e-05
Physical Parameters
H (abs. magnitude)20.55
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.202″
Uncertainty2
Orbit TypeApollo
MOID0.003287 AU
Observations Used58
Oppositions1
Arc Total2011-2012
First Observation Used2011-12-27
Last Observation Used2012-06-26
Observations (71)
Date Type RA Dec Mag Band Observatory
2012-01-15 00:38:12 C 10 47 36.84 -04 12 00.6 u 104
2012-01-15 00:43:30 C 10 47 37.71 -04 12 14.9 u 104
2012-01-15 08:26:58 C 10 48 51.99 -04 33 08.4 o 807
2012-01-15 08:36:21 C 10 48 53.45 -04 33 34.9 o 807
2012-01-15 08:47:40 C 10 48 55.22 -04 34 06.5 o 807
2012-01-15 08:55:01 C 10 48 56.37 -04 34 26.8 o 807
2012-01-17 02:26:19 C 10 56 03.94 -06 37 05.5 t 204
2012-01-17 02:44:52 C 10 56 07.18 -06 38 02.9 t 204
2012-01-18 08:01:13 C 11 01 36.16 -08 11 47.3 o 695
2012-01-18 08:03:33 C 11 01 36.61 -08 11 55.5 o 695
2012-01-18 08:05:39 C 11 01 37.01 -08 12 02.3 o 695
2012-01-18 08:07:58 C 11 01 37.43 -08 12 09.9 o 695
2012-01-26 12:32:51 C 11 52 35.69 -21 59 59.3 o 291
2012-01-26 12:33:38 C 11 52 35.96 -22 00 03.1 o 291
2012-01-26 12:34:24 C 11 52 36.21 -22 00 07.3 o 291
2012-02-01 16:45:33 C 13 00 26.02 -35 52 19.0 u D90
2012-02-01 16:51:44 C 13 00 29.58 -35 52 54.8 u D90
2012-02-01 16:57:52 C 13 00 33.13 -35 53 30.4 u D90
2012-02-01 17:04:00 C 13 00 36.71 -35 54 05.9 u D90
2012-06-26 10:21:15 C 23 40 36.42 +05 19 21.8 o 291
2012-06-26 10:53:43 C 23 40 36.38 +05 19 32.1 o 291