2018 PK21

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.0808937475 ± 4.33e-07
Semi-major axis (a)0.9832642131 AU ± 1.98e-08
Inclination (i)1.22318958° ± 7.18e-06
Long. of Asc. Node (Ω)302.61560906° ± 8.25e-05
Arg. of Perihelion (ω)227.38021363° ± 2.45e-05
Mean Anomaly (M)305.01995563° ± 3.68e-05
Mean Motion (n)1.0108970446°/day ± 3.05e-08
Perihelion dist (q)0.90372429 AU ± 4.26e-07
Aphelion dist (Q)1.06280414 AU ± 4.26e-07
Orbital Period0.97500165 yr ± 2.94e-08
Physical Parameters
H (abs. magnitude)25.88
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.222″
Uncertainty0
Orbit TypeAten
MOID0.004570 AU
Observations Used127
Oppositions1
Arc Total2018-2020
First Observation Used2018-08-11
Last Observation Used2020-11-21
Observations (132)
Date Type RA Dec Mag Band Observatory
2018-08-11 11:53:22 C 22 25 58.831 -02 22 35.49 U F51
2018-08-11 11:54:28 C 22 25 58.521 -02 22 35.80 U F51
2018-08-11 12:10:38 C 22 25 53.900 -02 22 40.99 U F51
2018-08-11 12:11:45 C 22 25 53.585 -02 22 41.29 U F51
2018-08-11 12:27:54 C 22 25 48.975 -02 22 46.43 U F51
2018-08-11 12:29:00 C 22 25 48.654 -02 22 46.73 U F51
2018-08-11 12:46:25 C 22 25 43.719 -02 22 52.23 U F51
2018-08-11 22:59:21 C 22 23 30.97 -02 27 21.7 V 104
2018-08-11 23:07:04 C 22 23 28.92 -02 27 24.9 V 104
2018-08-11 23:14:47 C 22 23 26.88 -02 27 27.0 V 104
2018-08-12 00:55:47 C 22 22 58.99 -02 28 02.7 V L01
2018-08-12 00:59:32 C 22 22 58.04 -02 28 03.3 V L01
2018-08-12 01:03:56 C 22 22 56.82 -02 28 05.3 V L01
2018-08-12 08:00:47 C 22 21 21.26 -02 30 09.5 u H21
2018-08-12 08:04:15 C 22 21 20.34 -02 30 10.2 u H21
2018-08-12 08:10:18 C 22 21 18.68 -02 30 12.6 u H21
2018-08-12 09:42:21 C 22 20 55.26 -02 30 40.5 U 734
2018-08-12 09:48:30 C 22 20 53.66 -02 30 42.6 U 734
2018-08-12 09:54:12 C 22 20 52.08 -02 30 44.3 U 734
2018-08-14 07:36:26 C 22 10 40.59 -02 42 53.2 u 807
2018-08-14 07:40:19 C 22 10 39.57 -02 42 54.7 u 807
2018-08-14 07:44:45 C 22 10 38.40 -02 42 56.1 u 807
2018-08-17 11:12:14 C 21 54 41.972 -03 14 11.11 V 679
2018-08-17 11:13:00 C 21 54 41.809 -03 14 11.42 V 679
2018-08-17 11:13:42 C 21 54 41.637 -03 14 11.73 V 679
2018-08-17 11:14:23 C 21 54 41.478 -03 14 11.96 V 679
2018-08-17 11:15:05 C 21 54 41.319 -03 14 12.10 V 679
2018-08-17 11:15:47 C 21 54 41.161 -03 14 12.32 V 679
2018-08-19 06:12:43 C 21 46 23.11 -03 30 56.9 u H21
2018-08-19 06:17:46 C 21 46 21.95 -03 30 58.5 u H21
2018-08-19 06:26:43 C 21 46 19.85 -03 31 01.9 u H21
2018-08-22 08:21:55 C 21 33 01.48 -03 58 49.7 o 291
2018-08-22 08:26:15 C 21 33 00.56 -03 58 51.1 o 291
2018-08-22 08:30:34 C 21 32 59.66 -03 58 52.5 o 291
2018-08-23 05:33:19 C 21 29 34.11 -04 07 05.8 q H21
2018-08-23 06:01:30 C 21 29 28.40 -04 07 15.6 20.0 q H21
2018-08-29 06:50:38 C 21 09 10.02 -04 58 56.7 o 695
2018-08-29 06:55:01 C 21 09 09.33 -04 58 58.1 o 695
2018-08-31 05:18:44 C 21 04 00.45 -05 14 26.9 o 691
2018-08-31 05:34:07 C 21 03 58.26 -05 14 31.7 o 691
2018-09-04 05:11:33 C 20 55 08.10 -05 44 17.7 V I52
2018-09-04 05:15:09 C 20 55 07.67 -05 44 19.3 V I52
2018-09-04 05:18:45 C 20 55 07.26 -05 44 19.9 V I52
2018-09-04 05:22:20 C 20 55 06.85 -05 44 21.0 V I52
2018-09-05 06:35:14 C 20 53 08.94 -05 51 39.6 o 291
2018-09-05 06:44:55 C 20 53 07.92 -05 51 42.2 o 291
2018-09-05 06:54:38 C 20 53 06.94 -05 51 44.8 o 291
2018-09-07 03:39:56 C 20 50 12.04 -06 04 12.1 o 691
2018-09-07 03:48:55 C 20 50 11.20 -06 04 14.5 o 691
2018-09-07 03:57:52 C 20 50 10.41 -06 04 17.1 o 691