2004 SD26

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7718261779 ± 3.50e-07
Semi-major axis (a)2.0395935424 AU ± 1.00e-08
Inclination (i)4.85970829° ± 2.20e-05
Long. of Asc. Node (Ω)117.58004845° ± 3.92e-04
Arg. of Perihelion (ω)359.71863870° ± 4.03e-04
Mean Anomaly (M)68.82615053° ± 1.81e-05
Mean Motion (n)0.3383738819°/day ± 2.50e-09
Perihelion dist (q)0.46538185 AU ± 7.15e-07
Aphelion dist (Q)3.61380523 AU ± 7.15e-07
Orbital Period2.91283204 yr ± 2.15e-08
Physical Parameters
H (abs. magnitude)18.89
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.474″
Uncertainty0
Orbit TypeApollo
MOID0.082522 AU
Observations Used73
Oppositions14
Arc Total2004-2025
First Observation Used2004-09-21
Last Observation Used2025-06-08
Observations (76)
Date Type RA Dec Mag Band Observatory
2004-10-30 10:15:15 C 20 12 30.24 -30 23 34.6 c 474
2004-11-14 10:33:22 C 19 15 56.81 -31 20 03.1 r 413
2004-11-14 10:39:51 C 19 15 55.52 -31 20 03.2 r 413
2004-11-15 10:15:16 C 19 11 22.31 -31 20 38.3 r 413
2007-08-25 09:21:29 C 02 01 24.45 +02 25 06.2 o 673
2007-08-25 09:31:09 C 02 01 25.48 +02 25 06.0 o 673
2007-08-25 09:45:30 C 02 01 26.99 +02 25 05.4 o 673
2007-08-25 10:05:59 C 02 01 29.12 +02 25 04.8 o 673
2007-08-27 09:13:50 C 02 06 50.16 +02 23 32.1 o 673
2007-08-27 09:27:50 C 02 06 51.81 +02 23 31.5 o 673
2007-08-27 09:58:20 C 02 06 55.38 +02 23 30.4 o 673
2007-08-27 10:43:09 C 02 07 00.69 +02 23 28.5 o 673
2007-09-11 07:16:54 C 03 09 22.00 +01 18 21.4 r H51
2007-09-11 07:23:56 C 03 09 23.77 +01 18 18.8 r H51
2007-09-11 07:33:14 C 03 09 26.34 +01 18 15.3 r H51
2007-09-11 09:26:15 C 03 09 56.59 +01 17 34.6 r 703
2007-09-11 09:36:59 C 03 09 59.43 +01 17 31.0 r 703
2007-09-11 09:47:45 C 03 10 02.24 +01 17 26.4 r 703
2007-09-11 09:58:33 C 03 10 05.12 +01 17 22.4 r 703
2007-09-20 10:13:29 C 04 36 08.06 -01 00 28.9 r 703
2007-09-20 10:23:57 C 04 36 14.04 -01 00 38.2 r 703
2007-09-20 10:34:24 C 04 36 19.87 -01 00 48.4 r 703
2007-09-20 10:44:49 C 04 36 25.77 -01 00 58.7 r 703
2025-06-08 03:38:01 C 09 16 56.694 +21 51 29.88 V I52
2025-06-08 03:42:56 C 09 16 58.422 +21 51 23.76 V I52
2025-06-08 03:47:49 C 09 17 00.172 +21 51 16.16 V I52