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
2012-12-24 08:27:43 C 10 57 18.82 -02 40 50.0 u 807
2012-12-24 08:34:39 C 10 57 18.56 -02 40 51.5 u 807
2012-12-25 06:49:03 C 10 56 31.05 -02 45 15.5 u 807
2012-12-25 06:57:04 C 10 56 30.73 -02 45 16.9 u 807
2012-12-25 07:03:21 C 10 56 30.48 -02 45 18.2 u 807
2012-12-25 07:09:07 C 10 56 30.25 -02 45 19.2 u 807
2012-12-25 07:14:52 C 10 56 30.03 -02 45 20.4 u 807
2013-01-05 09:30:08 C 10 43 18.20 -03 08 55.8 u H21
2013-01-05 09:43:58 C 10 43 17.27 -03 08 55.3 u H21
2013-01-05 09:56:22 C 10 43 16.46 -03 08 55.3 u H21
2013-01-08 10:47:02 C 10 38 31.02 -03 05 16.1 o 695
2013-01-08 10:54:12 C 10 38 30.50 -03 05 15.2 o 695
2013-01-08 11:03:25 C 10 38 29.88 -03 05 15.0 o 695
2013-01-20 09:03:55 C 10 15 57.96 -02 08 48.0 r 703
2013-01-20 09:16:12 C 10 15 56.91 -02 08 43.8 r 703
2013-01-20 09:28:36 C 10 15 55.69 -02 08 39.9 r 703
2013-01-20 09:40:58 C 10 15 54.54 -02 08 34.9 r 703
2013-01-23 08:39:18 C 10 09 40.46 -01 44 48.7 u 807
2013-01-23 08:45:22 C 10 09 39.91 -01 44 46.5 u 807
2013-01-23 08:51:25 C 10 09 39.35 -01 44 44.4 u 807
2013-01-23 08:57:29 C 10 09 38.78 -01 44 42.5 u 807
2013-01-23 09:03:32 C 10 09 38.23 -01 44 40.3 u 807
2013-02-21 01:55:56 C 09 15 16.02 +03 32 28.0 u 807
2013-02-21 02:07:27 C 09 15 15.35 +03 32 33.2 u 807
2013-02-21 02:18:42 C 09 15 14.68 +03 32 38.1 u 807
2015-05-30 11:02:18 C 23 36 55.54 +02 54 19.5 o 291
2015-05-30 11:10:52 C 23 36 57.11 +02 54 31.4 o 291
2015-05-30 11:19:26 C 23 36 58.71 +02 54 43.6 o 291
2023-05-25 05:50:10 C 16 15 54.11 -22 50 26.3 V 807
2023-05-25 06:03:29 C 16 15 53.30 -22 50 23.3 V 807
2023-05-25 06:16:47 C 16 15 52.47 -22 50 20.1 V 807
2024-02-28 05:40:13 C 03 00 41.209 +13 47 25.02 X F52
2024-02-28 05:46:44 C 03 00 42.698 +13 47 29.26 X F52
2024-02-28 05:53:16 C 03 00 44.248 +13 47 33.94 X F52
2024-02-28 05:59:48 C 03 00 45.707 +13 47 39.10 X F52