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
2018-09-08 05:25:32 C 20 48 38.11 -06 11 01.9 o 691
2018-09-08 05:38:57 C 20 48 36.94 -06 11 05.6 o 691
2018-09-08 05:52:23 C 20 48 35.83 -06 11 08.6 o 691
2018-09-13 03:12:14 C 20 43 44.60 -06 38 55.2 u H21
2018-09-13 03:27:03 C 20 43 43.78 -06 38 58.3 u H21
2018-09-13 06:45:19 C 20 43 35.38 -06 39 27.0 o 291
2018-09-13 07:11:14 C 20 43 34.09 -06 39 31.4 o 291
2018-09-14 01:19:57 C 20 43 12.55 -06 43 24.9 u H21
2018-09-14 01:28:43 C 20 43 12.13 -06 43 27.1 u H21
2018-09-14 01:39:31 C 20 43 11.63 -06 43 29.9 u H21
2018-09-15 02:27:53 C 20 42 38.61 -06 48 18.3 u H21
2018-09-15 02:41:41 C 20 42 38.00 -06 48 20.9 u H21
2018-09-16 01:36:20 C 20 42 16.70 -06 52 32.1 u H21
2018-09-16 01:45:05 C 20 42 16.38 -06 52 33.6 u H21
2018-09-16 04:03:31 C 20 42 13.37 -06 52 47.1 o 291
2018-09-16 04:51:01 C 20 42 11.53 -06 52 56.4 o 291
2018-09-17 05:33:33 C 20 41 53.26 -06 57 09.0 o 291
2018-09-17 05:55:10 C 20 41 52.51 -06 57 11.5 o 291
2018-09-17 06:16:50 C 20 41 51.82 -06 57 15.2 o 291
2018-10-07 01:57:21 C 20 53 00.38 -07 27 27.6 U 807
2018-10-07 02:23:53 C 20 53 01.21 -07 27 26.6 U 807
2018-10-07 02:52:23 C 20 53 02.13 -07 27 25.3 U 807
2019-09-19 10:11:40 C 01 38 20.41 +24 38 08.0 o 691
2019-09-19 10:37:20 C 01 38 17.17 +24 38 16.2 o 691
2019-09-19 11:03:00 C 01 38 13.92 +24 38 24.7 o 691
2019-09-22 09:06:52 C 01 30 45.22 +25 03 25.0 o 691
2019-09-22 09:14:02 C 01 30 44.08 +25 03 27.5 o 691
2019-09-22 09:21:10 C 01 30 42.99 +25 03 29.8 o 691
2019-09-25 23:44:46 C 01 19 43.225 +25 23 25.25 V J04
2019-09-25 23:56:42 C 01 19 41.196 +25 23 28.69 V J04
2019-09-26 00:08:39 C 01 19 39.163 +25 23 31.67 V J04
2019-09-28 06:56:52 C 01 11 35.48 +25 28 26.0 V G96
2019-09-28 07:05:00 C 01 11 33.94 +25 28 26.7 V G96
2019-09-28 07:13:08 C 01 11 32.41 +25 28 28.0 V G96
2019-09-28 07:21:15 C 01 11 30.90 +25 28 28.0 V G96
2019-09-29 13:08:10 C 01 06 44.710 +25 28 39.08 U F51
2019-09-29 13:27:34 C 01 06 40.968 +25 28 35.77 U F51
2019-09-29 13:47:09 C 01 06 37.223 +25 28 32.12 U F51
2019-09-29 14:06:45 C 01 06 33.539 +25 28 28.11 U F51
2019-10-03 08:20:17 C 00 51 27.37 +25 14 25.8 o 691
2019-10-03 08:29:22 C 00 51 25.45 +25 14 22.9 o 691
2019-10-03 08:38:26 C 00 51 23.52 +25 14 20.0 o 691
2019-10-07 03:27:40 C 00 35 11.55 +24 39 03.3 o 691
2019-10-07 03:44:40 C 00 35 08.01 +24 38 57.5 o 691
2019-10-07 04:01:38 C 00 35 04.46 +24 38 52.1 o 691
2019-10-07 11:33:22 C 00 33 31.420 +24 35 37.89 U F51
2019-10-07 11:51:08 C 00 33 27.488 +24 35 26.66 U F51
2019-10-07 12:08:57 C 00 33 23.553 +24 35 15.18 U F51
2019-10-08 12:28:31 C 00 28 53.929 +24 21 44.62 U F51
2019-10-08 12:45:13 C 00 28 50.322 +24 21 32.18 U F51