2005 SP9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6238163603 ± 5.49e-07
Semi-major axis (a)0.8656819315 AU ± 8.76e-09
Inclination (i)27.73697824° ± 6.33e-05
Long. of Asc. Node (Ω)354.79753950° ± 3.97e-05
Arg. of Perihelion (ω)228.15349913° ± 4.19e-05
Mean Anomaly (M)84.64769500° ± 1.11e-04
Mean Motion (n)1.2236993987°/day ± 1.86e-08
Perihelion dist (q)0.32565538 AU ± 4.76e-07
Aphelion dist (Q)1.40570848 AU ± 4.76e-07
Orbital Period0.80544804 yr ± 1.22e-08
Physical Parameters
H (abs. magnitude)21.61
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.619″
Uncertainty0
Orbit TypeAten
MOID0.052461 AU
Observations Used69
Oppositions4
Arc Total2005-2022
First Observation Used2005-09-25
Last Observation Used2022-10-06
Observations (70)
Date Type RA Dec Mag Band Observatory
2005-10-12 02:31:45 C 21 38 02.00 +32 20 51.9 r 448
2005-10-24 05:50:58 C 21 39 36.49 +25 41 39.4 d 291
2005-10-24 05:57:02 C 21 39 36.62 +25 41 33.3 d 291
2005-10-24 06:03:10 C 21 39 36.70 +25 41 27.0 d 291
2005-10-28 02:33:46 C 21 41 54.81 +24 26 25.1 o 696
2005-10-28 03:09:51 C 21 41 55.53 +24 25 59.1 o 696
2005-10-28 05:32:04 C 21 41 59.15 +24 24 17.3 d 291
2005-10-28 05:49:16 C 21 41 59.39 +24 24 01.1 d 291
2005-10-28 05:56:55 C 21 41 59.63 +24 23 56.6 d 291
2009-09-30 02:18:54 C 18 02 53.77 +05 02 58.3 c 926
2009-09-30 02:21:27 C 18 02 56.09 +05 03 07.2 c 926
2009-09-30 02:24:00 C 18 02 58.44 +05 03 15.9 c 926
2009-10-02 02:08:15 C 18 41 50.60 +07 21 37.7 c 926
2009-10-02 02:15:01 C 18 41 55.27 +07 21 54.5 c 926
2010-10-09 08:48:04 C 04 31 22.61 +64 01 46.6 o H21
2010-10-09 09:24:37 C 04 31 17.76 +64 02 48.4 o H21
2021-11-11 05:12:11 C 20 25 48.347 -08 27 25.98 V T12
2022-10-06 01:14:57 C 02 24 50.73 +59 48 43.4 X 033
2022-10-06 01:20:41 C 02 24 48.59 +59 48 48.1 X 033
2022-10-06 01:26:26 C 02 24 46.47 +59 48 52.9 X 033