2021 PO

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8361556762 ± 6.88e-08
Semi-major axis (a)1.8133185914 AU ± 3.32e-08
Inclination (i)8.97431567° ± 1.32e-05
Long. of Asc. Node (Ω)309.40527950° ± 1.63e-05
Arg. of Perihelion (ω)145.31985900° ± 2.19e-05
Mean Anomaly (M)241.01735515° ± 1.16e-05
Mean Motion (n)0.4036464198°/day ± 1.11e-08
Perihelion dist (q)0.29710196 AU ± 1.25e-07
Aphelion dist (Q)3.32953522 AU ± 1.39e-07
Orbital Period2.44180608 yr ± 6.71e-08
Physical Parameters
H (abs. magnitude)19.37
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.267″
Uncertainty0
Orbit TypeApollo
MOID0.058554 AU
Observations Used152
Oppositions5
Arc Total2016-2024
First Observation Used2016-08-07
Last Observation Used2024-05-31
Observations (155)
Date Type RA Dec Mag Band Observatory
2016-08-07 08:24:00 C 19 44 07.136 -22 54 47.42 V F51
2016-08-07 08:41:25 C 19 44 05.068 -22 54 49.72 V F51
2016-08-07 08:58:55 C 19 44 02.981 -22 54 52.15 V F51
2016-08-07 09:16:22 C 19 44 00.897 -22 54 54.66 V F51
2021-07-03 13:52:15 C 22 09 05.723 -12 21 29.03 V F51
2021-07-03 14:07:12 C 22 09 05.505 -12 21 28.23 V F51
2021-07-03 14:22:12 C 22 09 05.270 -12 21 27.55 V F51
2021-08-02 11:22:55 C 21 26 06.38 -13 13 21.5 V T08
2021-08-02 11:27:35 C 21 26 05.70 -13 13 22.4 V T08
2021-08-02 11:27:59 C 21 26 05.694 -13 13 22.34 U F51
2021-08-02 11:38:12 C 21 26 04.28 -13 13 24.1 V T08
2021-08-02 11:44:10 C 21 26 03.471 -13 13 25.82 U F51
2021-08-02 11:57:06 C 21 26 01.66 -13 13 27.7 V T08
2021-08-02 12:00:24 C 21 26 01.235 -13 13 29.25 U F51
2021-08-02 16:03:02 C 21 25 29.246 -13 14 10.64 V P07
2021-08-02 18:27:22 C 21 25 09.106 -13 14 41.96 V P07
2021-08-02 18:31:20 C 21 25 08.556 -13 14 41.96 V P07
2021-08-02 19:28:22 C 21 25 00.598 -13 14 54.74 V P07
2021-08-02 19:31:48 C 21 25 00.120 -13 14 55.61 V P07
2021-08-02 19:39:09 C 21 25 00.60 -13 14 55.6 V L81
2021-08-02 19:56:44 C 21 24 58.17 -13 14 59.9 V L81
2021-08-02 20:12:14 C 21 24 56.02 -13 15 03.3 V L81
2021-08-02 22:37:10 C 21 24 35.76 -13 15 52.9 V 104
2021-08-02 22:44:24 C 21 24 34.74 -13 15 53.8 V 104
2021-08-02 22:51:37 C 21 24 33.76 -13 15 56.1 V 104
2021-08-03 00:24:15 C 21 24 20.66 -13 16 16.2 V L01
2021-08-03 00:31:00 C 21 24 19.76 -13 16 17.5 V L01
2021-08-03 00:50:21 C 21 24 16.89 -13 16 02.8 V K93
2021-08-03 00:52:17 C 21 24 16.58 -13 16 03.2 V K93
2021-08-03 00:54:15 C 21 24 16.34 -13 16 03.5 V K93
2021-08-03 00:56:13 C 21 24 16.06 -13 16 03.9 V K93
2021-08-03 00:58:10 C 21 24 15.79 -13 16 04.4 V K93
2021-08-03 01:24:35 C 21 24 13.36 -13 16 09.7 u 807
2021-08-03 01:32:29 C 21 24 12.26 -13 16 11.5 u 807
2021-08-03 01:40:22 C 21 24 11.16 -13 16 13.3 u 807
2021-08-03 05:17:46 C 21 23 40.61 -13 17 19.8 u H21
2021-08-03 05:21:49 C 21 23 40.03 -13 17 20.7 u H21
2021-08-03 05:25:52 C 21 23 39.46 -13 17 21.6 u H21
2021-08-03 06:43:35 C 21 23 28.81 -13 17 37.9 V 654
2021-08-03 07:15:23 C 21 23 24.26 -13 17 45.2 V 654
2021-08-03 07:48:19 C 21 23 19.55 -13 17 52.6 V 654
2021-08-03 14:56:15 C 21 22 19.694 -13 19 13.58 V P07
2021-08-03 18:15:34 C 21 21 50.474 -13 19 58.40 V P07
2021-08-03 18:19:03 C 21 21 49.980 -13 19 59.20 V P07
2021-08-03 19:52:57 C 21 21 36.175 -13 20 19.75 V P07
2021-08-04 05:00:38 C 21 20 17.59 -13 22 23.7 u 807
2021-08-04 05:05:41 C 21 20 17.07 -13 22 42.4 u H21
2021-08-04 05:06:40 C 21 20 16.67 -13 22 25.2 u 807
2021-08-04 05:08:28 C 21 20 16.66 -13 22 43.2 u H21
2021-08-04 05:11:15 C 21 20 16.24 -13 22 43.8 u H21