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
2012-09-14 09:00:50 C 01 13 04.33 +30 55 31.9 V G96
2012-09-14 09:15:43 C 01 13 03.27 +30 55 37.3 V G96
2012-10-07 09:37:40 C 00 28 15.925 +32 21 59.56 V F51
2012-10-07 09:54:02 C 00 28 14.570 +32 21 58.72 V F51
2012-10-10 07:58:17 C 00 22 41.194 +32 16 51.49 V F51
2012-10-10 08:15:24 C 00 22 39.836 +32 16 50.01 V F51
2018-09-04 06:20:28 C 01 27 11.658 +28 21 02.75 V W84
2018-09-06 07:02:38 C 01 24 15.723 +28 45 21.62 V W84
2018-09-08 07:02:29 C 01 21 12.539 +29 08 03.29 V W84
2018-10-02 03:47:18 C 00 36 20.670 +31 36 44.21 V W84
2018-11-12 01:39:01 C 23 38 49.926 +28 34 45.95 V W84
2021-08-07 12:40:50 C 01 48 24.531 +21 03 24.29 V F51
2021-08-07 13:21:56 C 01 48 24.089 +21 03 53.19 V F51
2021-08-07 13:42:27 C 01 48 23.839 +21 04 07.52 V F51
2021-08-08 12:50:40 C 01 48 08.600 +21 20 14.43 U F51
2021-08-08 13:08:22 C 01 48 08.373 +21 20 27.04 U F51
2021-08-08 13:26:08 C 01 48 08.127 +21 20 39.30 U F51
2021-08-09 12:20:40 C 01 47 50.851 +21 36 32.33 U F51
2021-08-09 12:34:13 C 01 47 50.650 +21 36 41.85 U F51
2021-08-09 12:47:49 C 01 47 50.449 +21 36 51.19 U F51
2021-08-09 13:01:26 C 01 47 50.254 +21 37 00.78 U F51
2021-08-10 11:59:59 C 01 47 30.677 +21 52 51.88 U F51
2021-08-10 12:13:59 C 01 47 30.451 +21 53 01.51 U F51
2021-08-10 12:28:06 C 01 47 30.217 +21 53 11.31 U F51
2021-09-02 07:49:10 C 01 28 08.08 +27 35 00.1 u H21
2021-09-02 07:54:43 C 01 28 07.78 +27 35 03.0 u H21
2021-09-02 08:02:36 C 01 28 07.31 +27 35 07.1 u H21
2021-09-04 11:02:56 C 01 25 09.286 +28 01 33.24 U F52
2021-09-04 11:18:47 C 01 25 08.310 +28 01 41.36 U F52
2021-09-04 11:34:31 C 01 25 07.331 +28 01 49.28 U F52
2021-09-06 10:59:38 C 01 22 11.08 +28 25 07.5 V G96
2021-09-06 11:11:46 C 01 22 10.35 +28 25 13.2 V G96
2021-09-06 11:22:03 C 01 22 09.67 +28 25 18.2 V G96
2021-09-13 06:57:48 C 01 10 53.73 +29 35 31.9 u H21
2021-09-13 07:14:26 C 01 10 52.44 +29 35 37.9 u H21
2021-09-15 08:56:54 C 01 07 08.36 +29 53 31.2 V G96
2021-09-15 09:04:34 C 01 07 07.77 +29 53 33.9 V G96
2021-09-15 09:12:13 C 01 07 07.19 +29 53 36.4 V G96
2021-09-15 09:19:55 C 01 07 06.59 +29 53 39.4 V G96
2021-09-16 07:11:07 C 01 05 25.79 +30 00 56.2 u H21
2021-09-16 07:22:08 C 01 05 24.93 +30 01 00.0 u H21
2021-09-16 07:30:19 C 01 05 24.29 +30 01 03.4 u H21
2022-12-02 12:18:19 C 06 04 42.959 +71 59 06.47 V F52
2022-12-02 12:34:51 C 06 04 40.864 +71 59 10.81 V F52
2022-12-02 12:51:27 C 06 04 38.809 +71 59 14.88 V F52
2024-07-09 14:23:36 C 01 41 29.348 +12 24 06.20 V F52
2024-07-09 14:30:19 C 01 41 29.527 +12 24 11.48 V F52
2024-09-08 13:28:09 C 01 17 30.035 +28 32 30.44 X F51
2024-09-08 14:00:43 C 01 17 27.762 +28 32 44.73 X F51
2024-09-08 14:16:52 C 01 17 26.644 +28 32 51.84 X F51