2009 SR171

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2715289000
Semi-major axis (a)1.2022336000 AU
Inclination (i)16.47961000°
Long. of Asc. Node (Ω)4.56249000°
Arg. of Perihelion (ω)80.21732000°
Mean Anomaly (M)38.73250000°
Mean Motion (n)0.7476886800°/day
Perihelion dist (q)0.87579240 AU
Aphelion dist (Q)1.52867480 AU
Orbital Period1.31820600 yr
Physical Parameters
H (abs. magnitude)26.00
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.290″
Uncertainty7
Orbit TypeApollo
MOID0.046102 AU
Observations Used25
Oppositions1
Arc Total
First Observation Used
Last Observation Used2009-09-30
Observations (56)
Date Type RA Dec Mag Band Observatory
2009-09-28 05:42:56 C 00 07 31.69 +02 37 35.2 r G96
2009-09-28 05:53:45 C 00 07 26.47 +02 39 22.0 r G96
2009-09-28 06:04:27 C 00 07 21.32 +02 41 08.0 r G96
2009-09-28 06:15:18 C 00 07 16.17 +02 42 55.2 r G96
2009-09-28 07:20:22 C 00 06 44.64 +02 53 39.9 r G96
2009-09-28 07:21:13 C 00 06 44.24 +02 53 48.5 r G96
2009-09-28 07:22:09 C 00 06 43.77 +02 53 58.0 r G96
2009-09-28 07:23:00 C 00 06 43.34 +02 54 06.4 r G96
2009-09-28 09:03:24 C 00 05 54.63 +03 10 47.5 r G96
2009-09-28 09:04:20 C 00 05 54.16 +03 10 56.7 r G96
2009-09-28 09:05:12 C 00 05 53.73 +03 11 05.6 r G96
2009-09-28 09:06:07 C 00 05 53.26 +03 11 14.4 r G96
2009-09-29 05:55:15 C 23 55 58.98 +06 51 20.4 r G96
2009-09-29 05:56:16 C 23 55 58.36 +06 51 31.7 r G96
2009-09-29 05:57:13 C 23 55 57.90 +06 51 42.0 r G96
2009-09-29 05:58:06 C 23 55 57.39 +06 51 51.9 r G96
2009-09-29 07:11:48 C 23 55 16.91 +07 05 36.6 c 926
2009-09-29 07:23:38 C 23 55 10.35 +07 07 49.4 c 926
2009-09-29 09:24:02 C 23 54 04.03 +07 30 16.5 r G96
2009-09-29 09:24:59 C 23 54 03.45 +07 30 27.3 r G96
2009-09-29 09:25:53 C 23 54 02.98 +07 30 37.2 r G96
2009-09-29 09:26:47 C 23 54 02.48 +07 30 47.6 r G96
2009-09-30 02:59:49 C 23 44 37.78 +10 56 42.4 o H55
2009-09-30 03:11:46 C 23 44 30.47 +10 59 09.3 o H55
2009-09-30 03:14:43 C 23 44 28.69 +10 59 45.3 o H55
2009-09-18 07:19:06 C 01 39 08.00 +14 53 10.0 o 691
2009-09-18 07:44:34 C 01 39 07.64 +14 53 09.0 o 691
2009-09-18 08:10:03 C 01 39 07.33 +14 53 06.7 o 691
2009-11-18 05:18:37 C 01 03 46.58 +09 11 17.6 r G96
2009-11-18 05:28:37 C 01 03 46.54 +09 11 16.4 r G96
2009-11-18 05:38:42 C 01 03 46.47 +09 11 15.0 r G96
2009-11-18 05:48:47 C 01 03 46.44 +09 11 13.4 r G96
2020-08-19 11:19:32 C 21 55 32.962 -06 32 39.95 U F51
2020-08-19 11:32:35 C 21 55 32.425 -06 32 42.35 U F51
2020-08-19 11:45:35 C 21 55 31.895 -06 32 44.94 U F51
2020-08-19 11:58:37 C 21 55 31.372 -06 32 47.32 U F51
2024-09-10 09:54:38 C 01 24 08.913 +13 40 42.81 X F51
2024-09-10 10:15:26 C 01 24 08.693 +13 40 41.88 X F51
2024-09-10 10:33:57 C 01 24 08.543 +13 40 41.18 X F51
2024-09-29 12:10:53 C 01 15 25.135 +12 42 44.98 X F52
2024-09-29 12:32:02 C 01 15 24.456 +12 42 40.25 X F52
2024-09-29 12:53:10 C 01 15 23.801 +12 42 35.79 X F52
2024-09-29 13:14:28 C 01 15 23.152 +12 42 30.73 X F52
2024-10-04 06:40:40 C 01 11 55.529 +12 15 47.81 V G96
2024-10-04 06:48:04 C 01 11 55.230 +12 15 46.33 V G96
2024-10-04 06:55:33 C 01 11 54.989 +12 15 44.06 V G96
2024-10-04 07:02:58 C 01 11 54.672 +12 15 43.13 V G96
2024-10-04 09:22:45 C 01 11 50.365 +12 15 08.96 X F52
2024-10-04 09:40:58 C 01 11 49.790 +12 15 04.08 X F52
2024-10-04 10:17:51 C 01 11 48.454 +12 14 55.02 X F52