2021 PZ4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6869809862 ± 1.21e-04
Semi-major axis (a)3.2545336747 AU ± 1.28e-03
Inclination (i)10.44194402° ± 1.20e-03
Long. of Asc. Node (Ω)333.56469191° ± 1.19e-04
Arg. of Perihelion (ω)35.52762014° ± 1.29e-04
Mean Anomaly (M)254.94549895° ± 1.51e-01
Mean Motion (n)0.1678723314°/day ± 9.94e-05
Perihelion dist (q)1.01873092 AU ± 5.64e-04
Aphelion dist (Q)5.49033643 AU ± 2.20e-03
Orbital Period5.87128489 yr ± 3.48e-03
Physical Parameters
H (abs. magnitude)24.02
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.221″
Uncertainty3
Orbit TypeAmor
MOID0.059511 AU
Observations Used55
Oppositions1
Arc Total2021-2021
First Observation Used2021-08-07
Last Observation Used2021-09-06
Observations (55)
Date Type RA Dec Mag Band Observatory
2021-08-07 10:14:57 C 21 58 39.087 -32 38 44.84 U F51
2021-08-07 10:29:53 C 21 58 39.914 -32 38 28.39 U F51
2021-08-07 10:44:48 C 21 58 40.769 -32 38 11.31 U F51
2021-08-07 10:59:46 C 21 58 41.631 -32 37 54.14 V F51
2021-08-08 12:09:16 C 22 00 28.849 -32 07 23.66 V 568
2021-08-08 12:10:41 C 22 00 28.932 -32 07 21.81 V 568
2021-08-08 12:12:05 C 22 00 29.016 -32 07 20.02 V 568
2021-08-09 09:51:14 C 22 02 08.563 -31 38 29.15 U F51
2021-08-09 10:08:06 C 22 02 09.636 -31 38 05.97 U F51
2021-08-09 10:24:54 C 22 02 10.679 -31 37 43.24 U F51
2021-08-09 10:41:43 C 22 02 11.741 -31 37 19.94 U F51
2021-08-10 10:29:32 C 22 04 04.538 -31 02 27.28 U F51
2021-08-10 10:53:33 C 22 04 06.134 -31 01 50.88 U F51
2021-08-10 11:18:02 C 22 04 07.744 -31 01 13.25 U F51
2021-08-14 10:27:04 C 22 12 48.39 -28 00 34.1 V 474
2021-08-14 10:35:31 C 22 12 49.18 -28 00 14.5 V 474
2021-08-14 10:43:59 C 22 12 49.96 -27 59 55.9 V 474
2021-08-15 11:41:15 C 22 15 25.364 -27 00 39.62 U F51
2021-08-15 12:00:40 C 22 15 27.144 -26 59 49.83 U F51
2021-08-15 12:19:20 C 22 15 28.870 -26 59 01.66 U F51
2021-08-16 10:35:37 C 22 18 01.270 -25 59 21.52 U F51
2021-08-16 10:55:11 C 22 18 03.200 -25 58 26.92 U F51
2021-08-16 11:05:59 C 22 18 04.237 -25 57 56.77 U F51
2021-08-16 11:19:56 C 22 18 05.613 -25 57 17.39 U F51
2021-08-16 11:33:56 C 22 18 06.983 -25 56 37.71 U F51
2021-08-17 11:28:10 C 22 21 00.019 -24 45 30.47 U F51
2021-08-17 11:36:59 C 22 21 00.967 -24 45 02.30 U F51
2021-08-17 11:54:38 C 22 21 02.837 -24 44 06.68 U F51
2021-08-28 11:09:15 C 23 13 08.957 +01 54 59.51 U F51
2021-08-28 11:25:38 C 23 13 13.488 +01 57 48.43 U F51
2021-08-28 11:41:58 C 23 13 17.980 +02 00 36.33 U F51
2021-08-28 11:58:22 C 23 13 22.515 +02 03 25.21 U F51
2021-08-28 21:27:29 C 23 16 25.35 +03 42 11.9 V K83
2021-08-28 21:41:50 C 23 16 29.61 +03 44 44.4 V K83
2021-08-29 10:38:04 C 23 20 41.381 +06 06 43.33 U F52
2021-08-29 10:56:43 C 23 20 47.053 +06 10 11.91 U F52
2021-08-29 11:15:30 C 23 20 52.748 +06 13 41.56 U F52
2021-08-29 11:34:11 C 23 20 58.439 +06 17 10.91 U F52
2021-08-31 23:42:02 C 23 43 53.63 +18 27 11.2 V A17
2021-08-31 23:59:15 C 23 44 00.59 +18 30 53.7 V A17
2021-09-01 00:16:28 C 23 44 07.57 +18 34 36.6 V A17
2021-09-03 07:28:50 C 00 10 47.01 +30 40 10.2 V G96
2021-09-03 07:36:20 C 00 10 50.79 +30 41 48.5 V G96
2021-09-03 07:43:50 C 00 10 54.58 +30 43 26.9 V G96
2021-09-03 07:51:20 C 00 10 58.37 +30 45 05.4 V G96
2021-09-03 09:31:04 C 00 11 48.61 +31 06 45.0 V G96
2021-09-03 09:32:51 C 00 11 49.51 +31 07 07.6 V G96
2021-09-03 09:34:38 C 00 11 50.42 +31 07 30.7 V G96
2021-09-05 20:04:20 C 00 47 39.67 +43 02 53.3 V 104
2021-09-05 20:12:40 C 00 47 45.34 +43 04 28.4 V 104