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
2012-08-27 20:43:33 C 16 05 02.58 -01 08 46.9 t 204
2012-08-29 01:25:44 C 16 01 45.22 -00 42 59.6 u H21
2012-08-29 01:32:20 C 16 01 44.43 -00 42 53.2 u H21
2012-08-29 01:38:57 C 16 01 43.59 -00 42 47.5 u H21
2012-08-29 23:19:08 C 15 59 11.37 -00 22 16.5 u 807
2012-08-29 23:21:54 C 15 59 11.01 -00 22 13.9 u 807
2012-08-29 23:26:34 C 15 59 10.43 -00 22 09.1 u 807
2012-08-29 23:29:19 C 15 59 10.08 -00 22 06.7 u 807
2012-08-29 23:33:34 C 15 59 09.54 -00 22 03.1 u 807
2012-08-30 01:35:00 C 15 58 54.86 -00 20 46.9 v H21
2012-08-30 01:43:42 C 15 58 53.78 -00 20 38.5 v H21
2012-08-30 01:52:22 C 15 58 52.69 -00 20 30.9 v H21
2012-08-31 01:42:51 C 15 56 00.63 +00 01 54.4 u H21
2012-08-31 01:49:13 C 15 55 59.82 +00 02 00.1 u H21
2012-08-31 01:56:11 C 15 55 58.93 +00 02 06.9 u H21
2012-09-05 01:13:15 C 15 40 18.18 +02 02 46.3 t H21
2012-09-05 01:20:20 C 15 40 17.12 +02 02 53.9 t H21
2012-09-05 01:27:25 C 15 40 16.06 +02 03 00.9 t H21
2012-09-05 20:06:14 C 15 37 33.93 +02 23 12.1 u J95
2012-09-05 20:27:33 C 15 37 30.73 +02 23 36.4 u J95
2012-09-07 19:56:04 C 15 30 14.37 +03 17 05.0 u J95
2012-09-07 20:06:04 C 15 30 12.66 +03 17 15.6 u J95
2012-09-12 01:04:23 C 15 12 31.36 +05 20 09.9 v H21
2012-09-12 01:11:16 C 15 12 30.02 +05 20 18.3 v H21
2012-09-12 01:17:28 C 15 12 28.79 +05 20 26.3 v H21
2012-11-12 10:15:27 C 10 59 32.15 +05 39 47.1 q H36
2012-11-12 10:37:05 C 10 59 32.24 +05 39 31.2 q H36
2012-11-12 12:45:35 C 10 59 32.89 +05 37 59.6 o 291
2012-11-12 12:49:06 C 10 59 32.93 +05 37 57.3 o 291
2012-11-12 12:52:19 C 10 59 32.93 +05 37 54.8 o 291
2012-12-11 08:05:50 C 11 03 52.85 -01 03 37.2 u 807
2012-12-11 08:13:04 C 11 03 52.76 -01 03 40.1 u 807
2012-12-11 08:20:17 C 11 03 52.68 -01 03 43.0 u 807
2012-12-11 08:27:48 C 11 03 52.60 -01 03 46.3 u 807
2012-12-11 08:33:51 C 11 03 52.52 -01 03 48.8 u 807
2012-12-13 07:18:02 C 11 03 24.67 -01 22 17.5 u 807
2012-12-13 07:22:59 C 11 03 24.58 -01 22 19.4 u 807
2012-12-13 07:27:57 C 11 03 24.52 -01 22 21.2 u 807
2012-12-13 07:32:54 C 11 03 24.45 -01 22 23.2 u 807
2012-12-13 07:37:50 C 11 03 24.37 -01 22 25.1 u 807
2012-12-13 12:19:12 C 11 03 20.50 -01 24 28.6 q 448
2012-12-13 12:45:54 C 11 03 20.11 -01 24 38.6 q 448
2012-12-22 07:46:12 C 10 58 54.09 -02 29 57.5 u 807
2012-12-22 07:53:26 C 10 58 53.85 -02 29 59.1 u 807
2012-12-22 08:00:41 C 10 58 53.60 -02 30 00.9 u 807
2012-12-22 08:08:11 C 10 58 53.34 -02 30 02.7 u 807
2012-12-22 08:15:06 C 10 58 53.11 -02 30 04.3 u 807
2012-12-24 08:05:47 C 10 57 19.66 -02 40 45.6 u 807
2012-12-24 08:13:01 C 10 57 19.38 -02 40 47.1 u 807
2012-12-24 08:20:13 C 10 57 19.11 -02 40 48.4 u 807