IAA RAS IAA Minor Planet Database

2018 PH22

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6121762166 ± 9.81e-08
Semi-major axis (a)1.6514481719 AU ± 7.97e-08
Inclination (i)3.56623659° ± 7.55e-06
Long. of Asc. Node (Ω)204.92118387° ± 1.60e-04
Arg. of Perihelion (ω)225.96003203° ± 1.60e-04
Mean Anomaly (M)115.09624728° ± 8.76e-05
Mean Motion (n)0.4644242124°/day ± 3.36e-08
Perihelion dist (q)0.64047088 AU ± 1.65e-07
Aphelion dist (Q)2.66242547 AU ± 2.07e-07
Orbital Period2.12225430 yr ± 1.54e-07
Physical Parameters
H (abs. magnitude)22.06
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.272″
Uncertainty0
Orbit TypeApollo
MOID0.041772 AU
Observations Used45
Oppositions2
Arc Total2018-2021
First Observation Used2018-07-13
Last Observation Used2021-03-24
Observations (45)
Date Type RA Dec Mag Band Observatory
2018-07-13 11:10:18 C 21 43 21.994 -04 47 56.75 – V F51
2018-07-13 11:45:55 C 21 43 21.377 -04 47 48.68 – V F51
2018-07-13 12:03:49 C 21 43 21.060 -04 47 44.73 – V F51
2018-08-12 08:56:58 C 20 59 34.067 -03 22 09.99 – U F51
2018-08-12 09:29:06 C 20 59 29.737 -03 22 11.34 – U F51
2018-08-12 09:45:04 C 20 59 27.583 -03 22 12.06 – U F51
2018-08-13 03:09:53 C 20 57 12.08 -03 23 08.7 – u H21
2018-08-13 03:20:37 C 20 57 10.65 -03 23 09.0 – u H21
2018-08-13 06:47:26 C 20 56 41.92 -03 23 20.9 – u H21
2018-08-13 06:57:20 C 20 56 40.54 -03 23 21.3 – u H21
2018-08-14 03:36:54 C 20 53 52.59 -03 24 39.3 – u H21
2018-08-14 03:41:44 C 20 53 51.88 -03 24 39.5 – u H21
2018-08-14 07:05:31 C 20 53 22.78 -03 24 50.9 – o 691
2018-08-14 07:23:51 C 20 53 20.08 -03 24 53.2 – o 691
2018-08-14 07:42:12 C 20 53 17.45 -03 24 55.3 – o 691
2018-08-15 20:55:34 C 20 47 52.88 -03 28 07.4 – q 204
2018-08-15 21:11:16 C 20 47 50.41 -03 28 08.7 – q 204
2018-08-15 21:25:57 C 20 47 48.01 -03 28 10.4 – V L01
2018-08-15 21:26:57 C 20 47 47.95 -03 28 10.5 – q 204
2018-08-15 21:30:27 C 20 47 47.32 -03 28 10.9 – V L01
2018-08-28 06:50:49 C 19 47 18.26 -04 28 48.6 – o 695
2018-08-28 06:54:19 C 19 47 17.31 -04 28 50.2 – o 695
2018-08-28 06:57:48 C 19 47 16.35 -04 28 51.1 – o 695
2018-08-29 06:26:41 C 19 40 56.13 -04 36 22.0 – o 691
2018-08-29 06:38:51 C 19 40 52.66 -04 36 26.3 – o 691
2018-08-31 04:33:46 C 19 27 42.36 -04 52 09.1 – o 691
2018-08-31 04:40:48 C 19 27 40.15 -04 52 11.8 – o 691
2018-08-31 04:48:08 C 19 27 37.89 -04 52 14.0 – o 691
2018-09-06 05:18:06 C 18 38 46.733 -05 47 41.83 – V T12
2018-09-06 05:23:10 C 18 38 44.750 -05 47 43.84 – V T12
2018-09-08 09:09:00 C 18 18 22.77 -06 07 15.9 – t 474
2018-09-08 09:11:05 C 18 18 21.91 -06 07 17.0 – t 474
2018-09-08 09:12:06 C 18 18 21.50 -06 07 16.6 – t 474
2018-09-08 09:15:13 C 18 18 20.24 -06 07 17.5 – t 474
2018-09-08 09:16:15 C 18 18 19.78 -06 07 19.1 – t 474
2018-09-08 09:17:17 C 18 18 19.31 -06 07 19.3 – t 474
2018-09-14 02:51:54 C 17 17 26.43 -06 54 28.7 – V I52
2018-09-14 02:53:42 C 17 17 25.55 -06 54 29.5 – V I52
2018-09-14 02:55:30 C 17 17 24.69 -06 54 30.2 – V I52
2019-04-04 13:41:03 C 14 49 17.920 -15 44 40.01 – V T12
2019-04-05 13:48:28 C 14 47 31.053 -15 34 29.89 – V T12
2021-02-10 15:30:02 C 15 14 12.093 -25 15 54.84 – V T12
2021-03-24 06:34:06 C 13 13 47.43 -11 01 03.7 – V 807
2021-03-24 06:38:54 C 13 13 46.85 -11 00 59.0 – V 807
2021-03-24 06:44:45 C 13 13 46.13 -11 00 53.3 – V 807