2021 PH2

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6006179777 ± 9.44e-08
Semi-major axis (a)0.8726467461 AU ± 1.33e-08
Inclination (i)10.07112659° ± 6.78e-06
Long. of Asc. Node (Ω)315.28417234° ± 3.70e-06
Arg. of Perihelion (ω)214.68828197° ± 1.02e-05
Mean Anomaly (M)174.12969619° ± 4.29e-05
Mean Motion (n)1.2090786869°/day ± 2.77e-08
Perihelion dist (q)0.34851942 AU ± 8.26e-08
Aphelion dist (Q)1.39677407 AU ± 8.51e-08
Orbital Period0.81518787 yr ± 1.87e-08
Physical Parameters
H (abs. magnitude)21.56
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.273″
Uncertainty0
Orbit TypeAten
MOID0.019936 AU
Observations Used122
Oppositions1
Arc Total2017-2022
First Observation Used2017-07-22
Last Observation Used2022-10-29
Observations (125)
Date Type RA Dec Mag Band Observatory
2021-08-18 00:16:22 C 18 55 43.33 -18 33 41.1 u 807
2021-08-18 00:20:36 C 18 55 43.39 -18 33 37.3 u 807
2021-08-18 00:24:59 C 18 55 43.44 -18 33 32.9 u 807
2021-09-14 00:45:03 C 19 16 57.69 -14 22 37.4 V 807
2021-09-14 00:50:31 C 19 16 57.93 -14 22 36.9 V 807
2022-08-22 08:59:27 C 01 23 07.53 +23 33 23.9 u H21
2022-08-22 09:06:23 C 01 23 07.13 +23 33 27.8 u H21
2022-08-22 09:13:33 C 01 23 06.73 +23 33 32.0 u H21
2022-09-23 07:37:10 C 23 39 01.078 +27 20 40.16 U F52
2022-09-23 07:52:37 C 23 38 57.617 +27 20 34.27 U F52
2022-09-23 08:08:13 C 23 38 54.137 +27 20 28.53 U F52
2022-09-23 08:24:00 C 23 38 50.574 +27 20 22.64 U F52
2022-09-27 07:41:00 C 23 17 40.031 +26 29 39.80 V G96
2022-09-27 07:41:40 C 23 17 39.901 +26 29 39.48 V G96
2022-09-27 07:49:54 C 23 17 38.015 +26 29 33.58 V G96
2022-09-27 07:57:29 C 23 17 36.276 +26 29 28.46 V G96
2022-09-27 07:58:09 C 23 17 36.103 +26 29 28.72 V G96
2022-09-27 08:05:43 C 23 17 34.357 +26 29 23.21 V G96
2022-09-27 08:06:22 C 23 17 34.249 +26 29 22.70 V G96
2022-09-30 06:16:24 C 23 01 53.993 +25 36 02.48 U F52
2022-09-30 06:35:44 C 23 01 49.561 +25 35 46.88 U F52
2022-09-30 06:55:04 C 23 01 45.151 +25 35 30.26 U F52
2022-10-29 00:11:06 C 21 12 57.56 +11 50 30.0 u H21
2022-10-29 00:17:21 C 21 12 56.99 +11 50 23.4 u H21
2022-10-29 00:22:35 C 21 12 56.51 +11 50 17.2 u H21