217430 (2005 SN25)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2705337050 ± 1.55e-08
Semi-major axis (a)1.2300998486 AU ± 4.71e-10
Inclination (i)13.01076377° ± 2.52e-06
Long. of Asc. Node (Ω)168.26039944° ± 7.06e-06
Arg. of Perihelion (ω)45.22145757° ± 8.92e-06
Mean Anomaly (M)50.14000615° ± 4.88e-06
Mean Motion (n)0.7224399079°/day ± 4.15e-10
Perihelion dist (q)0.89731638 AU ± 1.91e-08
Aphelion dist (Q)1.56288332 AU ± 1.91e-08
Orbital Period1.36430210 yr ± 7.83e-10
Physical Parameters
H (abs. magnitude)19.55
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.275″
Uncertainty0
Orbit TypeApollo
MOID0.027494 AU
Observations Used449
Oppositions6
Arc Total2001-2024
First Observation Used2001-10-26
Last Observation Used2024-10-06
Observations (487)
Date Type RA Dec Mag Band Observatory
2009-07-06 07:37:22 C 21 54 08.79 +50 47 35.6 o H55
2009-07-16 20:51:27 C 21 40 24.30 +43 25 01.3 o 198
2009-07-16 20:53:40 C 21 40 24.15 +43 24 56.5 r 240
2009-07-16 20:55:16 C 21 40 24.03 +43 24 53.9 o 198
2009-07-16 20:56:19 C 21 40 23.99 +43 24 51.4 r 240
2009-07-16 20:58:59 C 21 40 23.87 +43 24 46.4 r 240
2009-07-16 20:59:06 C 21 40 23.76 +43 24 46.3 o 198
2009-07-16 23:44:40 C 21 40 13.11 +43 19 31.7 c B23
2009-07-20 00:21:20 C 21 35 56.14 +40 51 24.4 v 204
2009-07-20 00:25:06 C 21 35 55.88 +40 51 16.5 v 204
2009-07-20 01:41:23 C 21 35 50.57 +40 48 35.1 v 204
2009-07-20 01:47:29 C 21 35 50.15 +40 48 22.1 v 204
2009-07-20 23:52:09 C 21 34 31.91 +40 01 05.5 r 130
2009-07-20 23:55:24 C 21 34 31.70 +40 00 58.1 r 130
2009-07-20 23:57:13 C 21 34 31.51 +40 00 54.2 r 130
2009-07-22 23:06:08 C 21 31 42.79 +38 16 30.2 o J13
2009-07-22 23:06:40 C 21 31 42.75 +38 16 28.9 o J13
2009-07-22 23:07:11 C 21 31 42.71 +38 16 27.7 o J13
2009-07-22 23:07:43 C 21 31 42.67 +38 16 26.6 o J13
2009-07-23 02:02:34 C 21 31 30.32 +38 09 57.7 o J13
2009-07-23 02:03:06 C 21 31 30.29 +38 09 56.4 o J13
2009-07-23 02:03:36 C 21 31 30.25 +38 09 55.3 o J13
2009-07-23 02:04:09 C 21 31 30.21 +38 09 54.0 o J13
2009-07-28 20:17:41 C 21 23 12.99 +32 35 33.1 o 151
2009-07-28 20:18:43 C 21 23 12.95 +32 35 30.4 o 151
2009-07-28 21:09:59 C 21 23 09.51 +32 33 23.6 v B28
2009-07-28 21:34:31 C 21 23 07.97 +32 32 21.8 v B28
2009-07-28 21:40:14 C 21 23 07.61 +32 32 07.8 c 560
2009-07-28 21:42:52 C 21 23 07.44 +32 32 01.1 c 560
2009-07-28 21:44:49 C 21 23 07.31 +32 31 56.1 c 560
2009-07-28 21:48:23 C 21 23 06.96 +32 31 46.7 v B28
2009-07-28 21:56:46 C 21 23 06.43 +32 31 25.7 v B28
2009-07-29 11:53:19 C 21 22 15.59 +31 55 54.6 o F65
2009-07-29 11:56:06 C 21 22 15.41 +31 55 47.7 o F65
2009-08-01 21:47:02 C 21 17 34.03 +28 18 36.1 o 151
2009-08-01 21:49:08 C 21 17 33.93 +28 18 30.5 o 151
2009-08-01 21:51:14 C 21 17 33.81 +28 18 25.1 o 151
2009-08-01 21:53:20 C 21 17 33.66 +28 18 19.4 o 151
2009-08-01 21:55:25 C 21 17 33.52 +28 18 14.0 o 151
2009-08-01 21:57:31 C 21 17 33.40 +28 18 08.3 o 151
2009-08-01 21:59:36 C 21 17 33.28 +28 18 02.5 o 151
2009-08-02 21:19:09 C 21 16 16.06 +27 14 27.6 w J28
2009-08-02 21:30:25 C 21 16 15.42 +27 13 56.1 w J28
2009-08-14 20:46:35 C 21 02 38.46 +13 44 23.0 o B88
2009-08-14 20:58:37 C 21 02 37.96 +13 43 50.0 o B88
2009-08-14 21:10:30 C 21 02 37.36 +13 43 18.3 w 160
2009-08-14 21:19:08 C 21 02 37.00 +13 42 54.4 w 160
2009-08-14 21:23:45 C 21 02 36.78 +13 42 41.6 w 160
2009-08-15 22:40:37 C 21 01 41.24 +12 32 41.8 r J51
2009-08-15 22:49:17 C 21 01 40.91 +12 32 18.4 r J51