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
2023-06-22 12:55:35 C 21 33 48.621 -08 26 07.70 V F52
2023-06-22 13:25:34 C 21 33 48.327 -08 26 11.93 V F52
2023-06-22 13:40:37 C 21 33 48.189 -08 26 14.42 V F52
2023-06-27 13:01:22 C 21 32 25.099 -08 47 46.78 V F51
2023-06-27 13:38:24 C 21 32 24.400 -08 47 54.77 V F51
2023-06-27 13:56:55 C 21 32 24.038 -08 47 59.00 V F51
2023-07-15 11:55:33 C 21 18 48.373 -11 04 32.47 V F51
2023-07-15 12:12:34 C 21 18 47.553 -11 04 40.05 V F51
2023-07-22 12:43:14 C 21 10 33.896 -12 17 34.71 V F51
2023-07-25 09:30:11 C 21 06 57.072 -12 48 58.80 V F51
2023-07-25 09:47:30 C 21 06 56.136 -12 49 06.32 V F51
2023-07-25 10:04:50 C 21 06 55.178 -12 49 14.77 V F51
2023-08-06 07:33:19 C 20 51 33.505 -15 00 27.79 V F52
2023-08-06 07:49:47 C 20 51 32.605 -15 00 35.25 V F52
2023-08-06 08:07:38 C 20 51 31.633 -15 00 43.36 V F52
2023-08-18 07:14:23 C 20 37 59.528 -16 58 25.62 V F51
2023-08-21 07:49:09 C 20 35 12.524 -17 24 04.65 V F52
2023-08-21 08:03:48 C 20 35 11.939 -17 24 09.83 V F52
2023-08-21 08:18:30 C 20 35 11.378 -17 24 15.14 V F52
2023-08-21 08:33:12 C 20 35 10.814 -17 24 20.01 V F52
2023-09-14 06:16:27 C 20 25 17.017 -19 37 48.58 V F51
2023-09-14 06:31:22 C 20 25 17.005 -19 37 50.64 V F51
2023-09-14 06:46:18 C 20 25 17.015 -19 37 52.59 V F51
2023-09-19 05:59:01 C 20 25 55.457 -19 50 58.35 V F51
2023-09-19 06:17:24 C 20 25 55.572 -19 51 00.19 V F51
2024-11-21 12:39:05 C 05 12 25.557 +12 12 25.28 V F51
2024-11-21 12:51:58 C 05 12 24.912 +12 12 23.48 V F51
2024-11-21 13:23:12 C 05 12 23.400 +12 12 19.64 V F51
2024-11-21 13:26:01 C 05 12 23.247 +12 12 19.13 V F51
2024-11-29 08:49:49 C 05 02 38.684 +11 48 05.74 V F52
2024-11-29 09:20:48 C 05 02 36.890 +11 48 02.25 V F52
2024-11-29 09:36:21 C 05 02 35.992 +11 48 00.40 V F52
2024-12-02 13:55:49 C 04 58 12.332 +11 39 43.47 V F52
2024-12-02 13:57:38 C 04 58 12.244 +11 39 43.16 V F52
2024-12-02 13:58:33 C 04 58 12.178 +11 39 43.24 V F52
2024-12-07 07:48:16 C 04 51 24.441 +11 29 32.04 V F51
2024-12-07 08:06:37 C 04 51 23.304 +11 29 30.76 V F51
2024-12-07 08:25:02 C 04 51 22.147 +11 29 29.43 V F51
2024-12-07 08:43:23 C 04 51 20.998 +11 29 28.10 V F51
2024-12-22 08:12:15 C 04 30 02.059 +11 18 24.41 V V00
2024-12-22 08:20:20 C 04 30 01.616 +11 18 25.09 V V00
2024-12-22 08:28:24 C 04 30 01.148 +11 18 25.06 V V00
2024-12-22 08:36:29 C 04 30 00.702 +11 18 25.13 V V00