2025 YJ9

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5102184432 ± 8.01e-05
Semi-major axis (a)1.2714688171 AU ± 1.27e-04
Inclination (i)2.67345649° ± 4.91e-04
Long. of Asc. Node (Ω)280.37916711° ± 8.74e-05
Arg. of Perihelion (ω)81.13668952° ± 4.81e-04
Mean Anomaly (M)11.96774188° ± 4.34e-03
Mean Motion (n)0.6874699284°/day ± 1.03e-04
Perihelion dist (q)0.62274198 AU ± 1.19e-04
Aphelion dist (Q)1.92019566 AU ± 2.17e-04
Orbital Period1.43370094 yr ± 2.15e-04
Physical Parameters
H (abs. magnitude)27.59
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.290″
Uncertainty1
Orbit TypeApollo
MOID0.003129 AU
Observations Used46
Oppositions1
Arc Total2025-2025
First Observation Used2025-12-28
Last Observation Used2025-12-30
Observations (52)
Date Type RA Dec Mag Band Observatory
2025-12-28 09:51:59 C 10 49 29.121 +41 01 15.53 U I41
2025-12-28 09:53:21 C 10 49 04.756 +41 01 24.59 U I41
2025-12-29 05:59:17 C 07 52 10.554 +32 37 23.70 V U68
2025-12-29 06:04:05 C 07 51 52.521 +32 35 41.92 V U68
2025-12-29 06:30:35 C 07 50 14.682 +32 26 23.65 V U74
2025-12-29 06:31:56 C 07 50 09.760 +32 25 56.74 V U74
2025-12-29 08:59:23 C 07 41 48.771 +31 36 02.24 V U74
2025-12-29 09:03:51 C 07 41 34.586 +31 34 32.15 V U74
2025-12-29 09:10:12 C 07 41 14.691 +31 32 29.19 V U74
2025-12-29 09:14:55 C 07 41 00.065 +31 30 54.65 V U74
2025-12-29 15:48:03 B 07 25 24.814 +29 38 04.31 V P13
2025-12-29 15:54:07 B 07 25 11.782 +29 36 35.96 V P13
2025-12-29 16:06:11 B 07 24 45.994 +29 33 41.44 V P13
2025-12-29 16:12:06 B 07 24 33.478 +29 32 16.04 V P13
2025-12-29 17:43:37 C 07 22 02.77 +29 06 26.0 V L01
2025-12-29 17:45:47 C 07 21 58.87 +29 05 57.9 V L01
2025-12-29 17:47:56 C 07 21 54.95 +29 05 30.2 V L01
2025-12-29 17:50:06 C 07 21 51.03 +29 05 02.8 V L01
2025-12-29 18:49:06 C 07 20 03.23 +28 53 03.1 X L04
2025-12-29 18:55:27 C 07 19 51.94 +28 51 44.4 X L04
2025-12-29 19:21:06 C 07 19 06.66 +28 46 29.2 X L04
2025-12-29 19:31:53 C 07 18 52.19 +28 44 02.0 V 104
2025-12-29 19:37:43 C 07 18 42.19 +28 42 52.1 V 104
2025-12-29 19:40:04 B 07 18 33.535 +28 43 09.05 Z S47
2025-12-29 19:46:45 B 07 18 21.864 +28 41 49.06 Z S47
2025-12-29 19:46:58 C 07 18 26.39 +28 41 01.1 V 104
2025-12-29 19:53:22 B 07 18 10.538 +28 40 31.01 Z S47
2025-12-29 20:19:04 B 07 17 31.775 +28 34 22.18 W 204
2025-12-29 20:28:31 B 07 17 15.992 +28 32 31.39 W 204
2025-12-29 20:38:28 B 07 16 59.450 +28 30 35.05 W 204
2025-12-29 20:43:43 B 07 16 48.99 +28 29 45.6 Z 106
2025-12-29 20:51:39 B 07 16 35.85 +28 28 12.4 Z 106
2025-12-29 20:59:36 B 07 16 22.74 +28 26 40.8 Z 106
2025-12-29 21:07:33 B 07 16 09.67 +28 25 08.2 Z 106
2025-12-29 22:05:05 B 07 14 31.123 +28 14 14.42 X M35
2025-12-29 22:10:20 B 07 14 38.206 +28 13 28.06 Z R49
2025-12-29 22:12:29 B 07 14 19.385 +28 12 50.04 X M35
2025-12-29 22:13:14 B 07 14 33.646 +28 12 56.30 Z R49
2025-12-29 22:19:46 B 07 14 07.908 +28 11 26.77 X M35
2025-12-29 22:42:35 B 07 13 32.70 +28 07 12.1 X M45
2025-12-29 22:48:39 B 07 13 23.29 +28 06 02.9 X M45
2025-12-29 22:54:42 B 07 13 13.97 +28 04 54.2 X M45
2025-12-30 04:17:58 C 07 06 32.590 +27 18 06.30 V 807
2025-12-30 04:24:17 C 07 06 24.650 +27 17 07.70 V 807
2025-12-30 04:30:36 C 07 06 16.780 +27 16 09.00 V 807
2025-12-30 07:39:31 B 07 02 58.877 +26 40 07.28 V U52
2025-12-30 07:58:33 B 07 02 38.194 +26 37 29.78 V U52
2025-12-30 08:55:43 C 07 01 35.965 +26 30 17.43 V U74
2025-12-30 09:00:26 C 07 01 30.985 +26 29 38.16 V U74
2025-12-30 14:22:39 B 06 57 05.104 +25 50 03.37 X Q06