2018 PU21

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.0568409530 ± 6.35e-07
Semi-major axis (a)1.3133150692 AU ± 9.61e-09
Inclination (i)15.95643597° ± 3.22e-05
Long. of Asc. Node (Ω)142.05716848° ± 1.02e-05
Arg. of Perihelion (ω)319.95976282° ± 6.29e-04
Mean Anomaly (M)165.88489106° ± 7.07e-04
Mean Motion (n)0.6548757140°/day ± 7.19e-09
Perihelion dist (q)1.23866499 AU ± 8.33e-07
Aphelion dist (Q)1.38796515 AU ± 8.34e-07
Orbital Period1.50505854 yr ± 1.65e-08
Physical Parameters
H (abs. magnitude)22.43
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.214″
Uncertainty0
Orbit TypeAmor
MOID0.265954 AU
Observations Used45
Oppositions2
Arc Total2018-2024
First Observation Used2018-08-08
Last Observation Used2024-08-27
Observations (49)
Date Type RA Dec Mag Band Observatory
2018-08-08 11:04:03 C 22 24 57.501 -08 24 08.59 U F51
2018-08-08 11:20:15 C 22 24 56.993 -08 24 36.98 U F51
2018-08-08 11:36:29 C 22 24 56.484 -08 25 05.49 U F51
2018-08-09 07:12:16 C 22 24 26.31 -08 59 51.0 u H21
2018-08-09 07:22:48 C 22 24 25.97 -09 00 09.9 u H21
2018-08-09 07:32:27 C 22 24 25.67 -09 00 27.1 u H21
2018-08-11 05:55:05 C 22 23 08.27 -10 24 30.8 U 734
2018-08-11 06:22:13 C 22 23 07.29 -10 25 21.2 U 734
2018-08-11 06:49:19 C 22 23 06.33 -10 26 11.6 U 734
2018-08-15 04:21:57 C 22 20 02.67 -13 22 30.6 U 807
2018-08-15 04:27:55 C 22 20 02.45 -13 22 42.0 U 807
2018-08-15 04:34:45 C 22 20 02.15 -13 22 54.9 U 807
2018-08-17 09:32:17 C 22 18 05.098 -15 06 09.90 U F51
2018-08-17 09:48:08 C 22 18 04.384 -15 06 40.97 U F51
2018-08-17 10:20:28 C 22 18 02.938 -15 07 44.18 U F51
2018-09-01 06:22:23 C 22 03 02.06 -26 18 47.1 o 291
2018-09-01 06:44:19 C 22 03 01.02 -26 19 24.3 o 291
2018-09-01 07:06:20 C 22 02 59.93 -26 20 00.6 o 291
2018-09-05 12:04:22 C 21 58 59.59 -29 01 51.3 V 474
2018-09-05 12:09:25 C 21 58 59.36 -29 01 59.0 V 474
2018-09-05 12:14:30 C 21 58 59.14 -29 02 06.5 V 474
2018-09-05 12:19:34 C 21 58 58.86 -29 02 14.0 V 474
2018-10-03 02:47:30 C 21 52 57.83 -38 40 35.3 U 807
2018-10-03 03:09:12 C 21 52 58.23 -38 40 41.7 U 807
2018-10-03 03:30:56 C 21 52 58.63 -38 40 48.0 U 807
2021-08-05 11:30:44 C 21 54 46.683 -07 02 23.66 U F51
2021-08-05 11:46:59 C 21 54 46.024 -07 02 51.49 U F51
2021-08-05 12:03:10 C 21 54 45.348 -07 03 19.38 U F51
2021-08-09 08:43:48 C 21 51 14.515 -09 49 03.22 U F51
2021-08-09 09:00:39 C 21 51 13.737 -09 49 34.35 U F51
2021-08-09 09:34:57 C 21 51 12.127 -09 50 37.67 U F51
2021-08-10 04:27:07 C 21 50 23.91 -10 25 35.5 V J04
2021-08-10 04:37:59 C 21 50 23.44 -10 25 56.5 V J04
2021-08-10 04:48:49 C 21 50 22.89 -10 26 15.5 V J04
2021-08-11 01:48:43 C 21 49 30.75 -11 05 32.2 V J04
2021-08-11 01:59:35 C 21 49 30.17 -11 05 52.6 V J04
2021-08-11 02:10:27 C 21 49 29.69 -11 06 13.0 V J04
2021-08-16 09:28:03 C 21 43 47.861 -15 09 26.58 U F51
2021-08-16 09:43:07 C 21 43 47.051 -15 09 55.73 U F51
2021-08-16 09:58:13 C 21 43 46.250 -15 10 24.92 U F51
2024-07-11 08:09:19 C 21 38 15.86 +05 22 58.2 V H21
2024-07-11 08:17:38 C 21 38 15.78 +05 22 51.8 V H21
2024-07-11 08:21:52 C 21 38 15.75 +05 22 48.6 V H21
2024-07-31 10:56:02 C 21 26 53.154 -04 08 18.49 X F51
2024-07-31 11:14:23 C 21 26 52.260 -04 08 48.38 X F51
2024-07-31 11:51:01 C 21 26 50.530 -04 09 47.30 X F51
2024-08-27 07:53:39 C 20 56 58.288 -23 19 46.99 X F51
2024-08-27 08:08:37 C 20 56 57.636 -23 20 11.18 X F51
2024-08-27 08:23:34 C 20 56 57.016 -23 20 34.99 X F51