2018 PB9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3189015470 ± 6.46e-08
Semi-major axis (a)1.8458244313 AU ± 7.25e-09
Inclination (i)6.10665305° ± 6.23e-06
Long. of Asc. Node (Ω)143.14515838° ± 3.50e-05
Arg. of Perihelion (ω)57.58977254° ± 8.99e-05
Mean Anomaly (M)43.97278885° ± 8.67e-05
Mean Motion (n)0.3930308958°/day ± 2.32e-09
Perihelion dist (q)1.25718816 AU ± 1.19e-07
Aphelion dist (Q)2.43446070 AU ± 1.20e-07
Orbital Period2.50775777 yr ± 1.48e-08
Physical Parameters
H (abs. magnitude)20.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.179″
Uncertainty0
Orbit TypeAmor
MOID0.274095 AU
Observations Used92
Oppositions7
Arc Total2013-2024
First Observation Used2013-07-15
Last Observation Used2024-12-22
Observations (93)
Date Type RA Dec Mag Band Observatory
2013-07-15 11:25:37 C 21 48 46.309 -09 49 37.78 V F51
2013-07-15 11:40:33 C 21 48 45.727 -09 49 42.94 V F51
2013-07-15 11:46:15 C 21 48 45.484 -09 49 45.36 V F51
2013-07-15 12:01:09 C 21 48 44.903 -09 49 50.90 V F51
2013-07-15 12:06:51 C 21 48 44.675 -09 49 53.00 V F51
2013-07-15 12:21:45 C 21 48 44.084 -09 49 58.52 V F51
2013-08-07 10:23:49 C 21 22 05.084 -13 51 03.59 V F51
2013-08-08 10:25:57 C 21 20 47.750 -14 02 03.59 V F51
2013-08-08 10:46:11 C 21 20 46.613 -14 02 12.97 V F51
2013-08-08 11:06:25 C 21 20 45.466 -14 02 22.24 V F51
2013-08-08 11:26:37 C 21 20 44.337 -14 02 31.25 V F51
2013-08-27 09:05:22 C 20 59 31.498 -17 03 49.41 V F51
2013-08-27 09:20:24 C 20 59 30.905 -17 03 54.23 V F51
2013-08-27 09:37:08 C 20 59 30.252 -17 03 59.96 V F51
2014-11-28 12:45:41 C 05 29 55.673 +12 30 14.38 V F51
2014-11-28 13:26:36 C 05 29 53.569 +12 30 10.03 V F51
2014-11-28 13:46:58 C 05 29 52.494 +12 30 07.64 V F51
2015-01-14 05:24:50 C 04 30 36.280 +13 00 07.06 V F51
2015-01-14 05:41:22 C 04 30 35.800 +13 00 10.01 V F51
2015-01-14 05:57:58 C 04 30 35.284 +13 00 13.14 V F51
2015-01-14 06:14:42 C 04 30 34.760 +13 00 15.84 V F51
2018-08-06 10:28:24 C 21 07 35.110 -14 22 39.86 U F51
2018-08-06 10:44:13 C 21 07 34.213 -14 22 47.19 U F51
2018-08-06 11:00:04 C 21 07 33.325 -14 22 54.30 U F51
2018-08-06 11:15:54 C 21 07 32.440 -14 23 01.72 U F51
2018-08-07 07:10:11 C 21 06 28.77 -14 32 04.5 o 711
2018-08-07 07:16:20 C 21 06 28.47 -14 32 06.9 o 711
2018-08-07 07:22:33 C 21 06 28.13 -14 32 09.3 o 711
2018-08-07 09:16:37 C 21 06 21.80 -14 33 01.0 o 691
2018-08-07 09:55:28 C 21 06 19.72 -14 33 18.7 o 691
2018-08-08 06:30:52 C 21 05 14.61 -14 42 34.1 o 711
2018-08-08 06:37:24 C 21 05 14.28 -14 42 37.0 o 711
2018-08-08 06:43:56 C 21 05 13.93 -14 42 39.9 o 711
2018-08-09 03:42:58 C 21 04 07.87 -14 51 52.6 u 807
2018-08-09 03:51:14 C 21 04 07.43 -14 51 55.8 u 807
2018-08-09 03:59:45 C 21 04 06.98 -14 51 59.3 u 807
2018-08-11 10:43:32 C 21 01 17.46 -15 15 56.7 V 474
2018-08-11 10:48:36 C 21 01 17.23 -15 15 58.6 V 474
2018-08-11 10:53:40 C 21 01 16.93 -15 16 00.8 V 474
2018-08-11 10:58:44 C 21 01 16.69 -15 16 03.0 V 474
2018-09-06 02:36:16 C 20 39 22.37 -18 39 06.4 U 807
2018-09-06 03:02:38 C 20 39 21.86 -18 39 12.3 U 807
2018-09-06 03:28:24 C 20 39 21.37 -18 39 17.2 U 807
2023-05-02 14:26:20 C 20 49 28.886 -10 42 32.37 V F51
2023-05-02 14:34:07 C 20 49 29.453 -10 42 30.07 V F51
2023-06-17 13:18:51 C 21 34 04.499 -08 12 10.12 V F51
2023-06-17 13:37:17 C 21 34 04.501 -08 12 11.68 V F51
2023-06-17 13:55:43 C 21 34 04.479 -08 12 13.37 V F51
2023-06-18 13:28:28 C 21 34 06.683 -08 14 22.80 V F51
2023-06-18 13:45:19 C 21 34 06.637 -08 14 24.64 V F51