2021 PY9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4952560197 ± 1.93e-07
Semi-major axis (a)2.0824581589 AU ± 1.86e-08
Inclination (i)34.88971811° ± 1.85e-05
Long. of Asc. Node (Ω)353.20731544° ± 1.55e-05
Arg. of Perihelion (ω)254.21744537° ± 3.80e-05
Mean Anomaly (M)214.08206248° ± 6.20e-05
Mean Motion (n)0.3279803687°/day ± 4.39e-09
Perihelion dist (q)1.05110822 AU ± 4.03e-07
Aphelion dist (Q)3.11380810 AU ± 4.03e-07
Orbital Period3.00513804 yr ± 4.02e-08
Physical Parameters
H (abs. magnitude)18.22
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.158″
Uncertainty0
Orbit TypeAmor
MOID0.304751 AU
Observations Used83
Oppositions8
Arc Total2012-2024
First Observation Used2012-09-14
Last Observation Used2024-11-02
Observations (85)
Date Type RA Dec Mag Band Observatory
2024-09-13 09:56:39 C 01 09 11.588 +29 19 52.36 X F52
2024-09-13 10:12:54 C 01 09 10.353 +29 19 58.66 X F52
2024-09-13 10:29:04 C 01 09 09.099 +29 20 04.68 X F52
2024-09-13 10:45:14 C 01 09 07.880 +29 20 10.60 X F52
2024-09-23 09:31:22 C 00 50 04.920 +30 27 17.64 V G96
2024-09-23 09:38:47 C 00 50 04.232 +30 27 19.37 V G96
2024-09-23 09:46:13 C 00 50 03.617 +30 27 20.70 V G96
2024-10-01 06:24:46 C 00 34 10.474 +30 49 25.90 V G96
2024-10-01 06:34:20 C 00 34 09.692 +30 49 26.29 V G96
2024-10-01 06:52:15 C 00 34 08.137 +30 49 27.48 V G96
2024-10-01 07:12:20 C 00 34 06.431 +30 49 28.52 V G96
2024-10-01 08:27:39 C 00 34 00.308 +30 49 32.82 X F52
2024-10-01 08:30:30 C 00 34 00.071 +30 49 32.75 X F52
2024-10-01 08:44:51 C 00 33 58.831 +30 49 33.36 X F52
2024-10-01 08:47:43 C 00 33 58.582 +30 49 33.61 X F52
2024-10-01 09:02:18 C 00 33 57.336 +30 49 34.15 X F52
2024-10-01 09:05:09 C 00 33 57.092 +30 49 34.36 X F52
2024-10-01 09:19:38 C 00 33 55.850 +30 49 35.05 X F52
2024-10-01 09:22:30 C 00 33 55.598 +30 49 35.18 X F52
2024-10-08 06:37:21 C 00 20 22.797 +30 46 53.56 X F52
2024-10-08 06:54:44 C 00 20 21.393 +30 46 52.39 X F52
2024-10-08 07:12:01 C 00 20 20.015 +30 46 51.17 X F52
2024-10-27 03:45:32 C 23 50 15.763 +29 25 56.93 V G96
2024-10-27 03:53:06 C 23 50 15.292 +29 25 55.13 V G96
2024-10-27 04:00:39 C 23 50 14.917 +29 25 53.08 V G96
2024-10-27 04:08:14 C 23 50 14.474 +29 25 51.10 V G96
2024-10-28 02:12:13 C 23 49 08.15 +29 20 18.1 V H21
2024-10-28 02:34:44 C 23 49 07.03 +29 20 11.7 V H21
2024-10-29 04:47:38 C 23 47 51.047 +29 13 33.02 V V00
2024-10-29 05:03:49 C 23 47 50.269 +29 13 29.17 V V00
2024-10-29 05:11:55 C 23 47 49.852 +29 13 26.69 V V00
2024-11-01 03:16:23 C 23 44 42.62 +28 55 19.2 V H21
2024-11-01 03:34:16 C 23 44 41.85 +28 55 14.3 V H21
2024-11-02 01:54:26 C 23 43 47.03 +28 49 24.0 V H21
2024-11-02 02:13:17 C 23 43 46.28 +28 49 19.3 V H21