2018 PT21

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5604737942 ± 9.66e-07
Semi-major axis (a)2.7355673332 AU ± 1.15e-06
Inclination (i)15.65098656° ± 3.98e-05
Long. of Asc. Node (Ω)338.90845615° ± 5.05e-05
Arg. of Perihelion (ω)74.09159901° ± 9.82e-05
Mean Anomaly (M)185.99531965° ± 3.31e-04
Mean Motion (n)0.2178417728°/day ± 1.38e-07
Perihelion dist (q)1.20235353 AU ± 2.69e-06
Aphelion dist (Q)4.26878114 AU ± 3.20e-06
Orbital Period4.52450543 yr ± 2.86e-06
Physical Parameters
H (abs. magnitude)19.13
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.345″
Uncertainty0
Orbit TypeAmor
MOID0.336235 AU
Observations Used41
Oppositions5
Arc Total2018-2024
First Observation Used2018-08-08
Last Observation Used2024-03-02
Observations (42)
Date Type RA Dec Mag Band Observatory
2018-08-08 09:41:34 C 21 30 44.239 -27 51 33.42 U F51
2018-08-08 09:57:23 C 21 30 43.186 -27 51 33.16 U F51
2018-08-08 10:13:12 C 21 30 42.142 -27 51 32.82 U F51
2018-08-08 10:29:02 C 21 30 41.089 -27 51 32.49 U F51
2018-08-09 13:43:52 C 21 28 55.65 -27 50 39.6 V 474
2018-08-09 13:48:55 C 21 28 55.31 -27 50 39.6 V 474
2018-08-09 13:53:59 C 21 28 54.99 -27 50 38.9 V 474
2018-08-11 13:44:52 C 21 25 45.62 -27 48 34.0 V 474
2018-08-11 13:49:56 C 21 25 45.29 -27 48 33.6 V 474
2018-08-11 13:55:00 C 21 25 44.94 -27 48 33.3 V 474
2018-08-15 03:27:46 C 21 19 55.49 -27 42 05.0 U 807
2018-08-15 03:33:44 C 21 19 55.05 -27 42 04.8 U 807
2018-08-15 03:40:31 C 21 19 54.56 -27 42 03.9 U 807
2018-08-30 04:34:45 C 20 54 54.83 -26 29 45.9 U 807
2018-08-30 04:41:32 C 20 54 54.37 -26 29 43.4 U 807
2018-08-30 04:48:00 C 20 54 53.94 -26 29 41.6 U 807
2018-09-01 05:51:42 C 20 51 44.61 -26 14 12.4 V I52
2018-09-01 05:59:05 C 20 51 44.07 -26 14 09.1 V I52
2018-09-01 06:02:41 C 20 51 43.88 -26 14 08.4 V I52
2018-09-06 05:47:13 C 20 44 33.18 -25 30 25.3 V I52
2018-09-06 05:51:34 C 20 44 32.89 -25 30 23.2 V I52
2018-09-06 05:59:02 C 20 44 32.47 -25 30 20.2 V I52
2018-09-06 06:07:18 C 20 44 31.92 -25 30 17.8 V I52
2018-09-10 04:27:50 C 20 39 32.43 -24 50 45.6 V I52
2018-09-10 04:31:25 C 20 39 32.23 -24 50 43.5 V I52
2018-09-10 04:35:01 C 20 39 32.09 -24 50 42.0 V I52
2018-09-10 04:41:31 C 20 39 31.69 -24 50 39.4 V I52
2018-09-15 03:46:54 C 20 34 12.85 -23 55 07.3 o 691
2018-09-15 04:07:25 C 20 34 11.97 -23 54 57.0 o 691
2018-10-29 03:13:03 C 20 41 11.88 -13 07 19.9 o 691
2018-10-29 03:28:53 C 20 41 12.72 -13 07 09.0 o 691
2018-11-21 01:40:58 C 21 16 43.49 -06 03 14.0 o 695
2018-11-21 01:53:51 C 21 16 44.47 -06 03 03.3 o 695
2018-11-21 02:06:44 C 21 16 45.50 -06 02 52.4 o 695
2018-12-10 02:50:43 C 21 58 04.33 +00 49 47.0 o 691
2018-12-10 03:25:43 C 21 58 07.70 +00 50 20.5 o 691
2019-01-04 02:20:32 C 23 07 13.56 +11 12 35.1 o 291
2019-01-04 02:27:54 C 23 07 14.50 +11 12 43.2 o 291
2019-01-04 02:35:16 C 23 07 15.46 +11 12 52.1 o 291
2024-03-02 11:39:24 C 11 27 40.219 -01 24 34.30 X F51
2024-03-02 11:56:41 C 11 27 39.247 -01 24 32.80 X F51
2024-03-02 12:13:57 C 11 27 38.282 -01 24 30.85 X F51