668949 (2012 PP28)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6063855172 ± 2.24e-08
Semi-major axis (a)1.9897442672 AU ± 1.15e-08
Inclination (i)5.67274476° ± 7.00e-06
Long. of Asc. Node (Ω)254.05556412° ± 8.90e-05
Arg. of Perihelion (ω)133.67903147° ± 8.85e-05
Mean Anomaly (M)240.79193752° ± 1.47e-05
Mean Motion (n)0.3511691715°/day ± 3.04e-09
Perihelion dist (q)0.78319216 AU ± 4.47e-08
Aphelion dist (Q)3.19629637 AU ± 4.82e-08
Orbital Period2.80669934 yr ± 2.43e-08
Physical Parameters
H (abs. magnitude)19.27
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.275″
Uncertainty0
Orbit TypeApollo
MOID0.026661 AU
Observations Used182
Oppositions8
Arc Total2012-2024
First Observation Used2012-08-14
Last Observation Used2024-02-28
Observations (185)
Date Type RA Dec Mag Band Observatory
2012-08-17 07:34:24 C 16 32 27.76 -04 33 38.0 o 474
2012-08-17 09:04:20 C 16 32 18.03 -04 32 35.1 r E12
2012-08-17 09:07:11 C 16 32 17.76 -04 32 32.9 r E12
2012-08-17 20:16:36 C 16 31 05.45 -04 24 40.0 o 033
2012-08-17 20:20:25 C 16 31 05.04 -04 24 37.5 o 033
2012-08-17 20:43:03 C 16 31 02.65 -04 24 17.2 u J87
2012-08-17 20:48:33 C 16 31 02.04 -04 24 13.0 u J87
2012-08-17 20:54:04 C 16 31 01.42 -04 24 08.8 u J87
2012-08-17 21:25:50 C 16 30 58.02 -04 23 39.9 t J04
2012-08-17 21:29:40 C 16 30 57.58 -04 23 36.9 t J04
2012-08-17 21:33:31 C 16 30 57.14 -04 23 34.1 t J04
2012-08-18 01:42:02 C 16 30 30.85 -04 20 28.9 u H21
2012-08-18 01:46:47 C 16 30 30.32 -04 20 25.2 u H21
2012-08-18 01:50:59 C 16 30 29.84 -04 20 22.0 u H21
2012-08-18 01:55:11 C 16 30 29.38 -04 20 18.7 u H21
2012-08-18 21:13:42 C 16 28 25.35 -04 05 35.3 u J95
2012-08-18 21:22:58 C 16 28 24.31 -04 05 28.3 u J95
2012-08-18 21:32:04 C 16 28 23.33 -04 05 21.0 u J95
2012-08-18 23:51:09 C 16 28 09.05 -04 02 58.1 u 807
2012-08-18 23:55:22 C 16 28 08.57 -04 02 54.9 u 807
2012-08-18 23:59:34 C 16 28 08.09 -04 02 51.5 u 807
2012-08-19 00:03:48 C 16 28 07.62 -04 02 48.2 u 807
2012-08-19 00:08:00 C 16 28 07.14 -04 02 44.9 u 807
2012-08-20 00:08:57 C 16 25 33.42 -03 44 08.2 u 807
2012-08-20 00:13:09 C 16 25 32.94 -03 44 05.0 u 807
2012-08-20 00:17:21 C 16 25 32.45 -03 44 01.7 u 807
2012-08-20 00:21:34 C 16 25 31.98 -03 43 58.4 u 807
2012-08-20 00:25:47 C 16 25 31.52 -03 43 55.1 u 807
2012-08-20 01:54:18 C 16 25 21.99 -03 43 18.9 u H21
2012-08-20 01:57:20 C 16 25 21.66 -03 43 16.5 u H21
2012-08-20 02:00:59 C 16 25 21.25 -03 43 13.9 u H21
2012-08-20 19:36:00 C 16 23 28.72 -03 29 29.7 v B03
2012-08-20 19:46:41 C 16 23 27.51 -03 29 22.1 v B03
2012-08-20 19:57:22 C 16 23 26.32 -03 29 13.5 v B03
2012-08-21 01:51:28 C 16 22 48.78 -03 24 31.1 u H21
2012-08-21 01:54:27 C 16 22 48.44 -03 24 28.6 u H21
2012-08-21 01:57:09 C 16 22 48.13 -03 24 26.5 u H21
2012-08-21 11:53:51 C 16 21 44.19 -03 16 32.1 o 300
2012-08-21 11:56:23 C 16 21 43.88 -03 16 30.0 o 300
2012-08-21 11:58:56 C 16 21 43.62 -03 16 28.2 o 300
2012-08-21 12:01:28 C 16 21 43.32 -03 16 26.0 o 300
2012-08-21 12:04:01 C 16 21 43.04 -03 16 23.6 o 300
2012-08-23 01:25:40 C 16 17 43.57 -02 46 25.4 t H21
2012-08-23 01:30:20 C 16 17 43.03 -02 46 21.2 t H21
2012-08-23 01:35:00 C 16 17 42.47 -02 46 17.3 t H21
2012-08-23 01:39:48 C 16 17 41.96 -02 46 13.4 t H21
2012-08-24 01:30:10 C 16 15 07.86 -02 26 41.8 u H21
2012-08-24 01:39:34 C 16 15 06.80 -02 26 33.8 u H21
2012-08-24 01:45:25 C 16 15 06.11 -02 26 29.2 u H21
2012-08-27 20:29:30 C 16 05 04.22 -01 08 59.6 t 204