152558 (1990 SA)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4412668232 ± 2.41e-08
Semi-major axis (a)2.0137681323 AU ± 4.01e-09
Inclination (i)38.14090055° ± 8.39e-06
Long. of Asc. Node (Ω)172.14466272° ± 3.40e-06
Arg. of Perihelion (ω)115.13731438° ± 8.58e-06
Mean Anomaly (M)138.18868330° ± 7.76e-06
Mean Motion (n)0.3449038803°/day ± 1.03e-09
Perihelion dist (q)1.12515907 AU ± 4.85e-08
Aphelion dist (Q)2.90237720 AU ± 4.88e-08
Orbital Period2.85768395 yr ± 8.53e-09
Physical Parameters
H (abs. magnitude)16.86
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.355″
Uncertainty0
Orbit TypeAmor
MOID0.307490 AU
Observations Used495
Oppositions22
Arc Total1990-2024
First Observation Used1990-09-14
Last Observation Used2024-06-17
Observations (574)
Date Type RA Dec Mag Band Observatory
1990-09-14 05:32:05 A 23 07 02.89 +00 43 48.0 657
1990-09-14 06:19:05 A 23 07 02.76 +00 39 59.8 657
1990-09-16 14:37:40 A 23 07 40.04 -03 37 17.0 413
1990-09-17 12:48:10 A 23 07 55.91 -05 13 14.1 413
1990-09-17 13:46:50 A 23 07 56.32 -05 17 21.2 413
1990-09-17 14:27:42 A 23 07 56.56 -05 20 15.4 413
1990-09-18 10:54:46 A 23 08 12.15 -06 45 29.2 413
1990-09-18 11:01:48 A 23 08 12.20 -06 45 54.2 413
1990-09-18 13:53:51 A 23 08 12.84 -06 57 36.2 474
1990-09-18 14:09:31 A 23 08 12.89 -06 58 38.9 474
1990-09-19 04:52:44 A 23 08 23.93 -07 58 25.0 801
1990-09-19 04:56:58 A 23 08 23.96 -07 58 41.4 801
1990-09-19 07:40:15 A 23 08 26.04 -08 09 27.3 16.2 675
1990-09-19 08:24:00 A 23 08 26.32 -08 12 19.8 675
1990-09-19 09:50:44 A 23 08 28.95 -08 17 35.0 413
1990-09-19 09:54:59 A 23 08 29.00 -08 17 51.4 413
1990-09-19 14:59:37 A 23 08 30.79 -08 37 56.4 474
1990-09-19 15:15:47 A 23 08 30.87 -08 38 43.9 474
1990-09-20 04:49:05 A 23 08 42.61 -09 31 28.9 657
1990-09-20 05:07:05 A 23 08 42.59 -09 32 37.2 657
1990-09-21 05:57:35 A 23 09 01.37 -11 04 52.6 657
1990-09-21 06:19:35 A 23 09 01.59 -11 06 12.0 657
1990-09-21 13:57:00 A 23 09 07.14 -11 33 05.8 413
1990-09-21 14:02:44 A 23 09 07.19 -11 33 28.6 413
1990-09-22 02:37:14 A 23 09 17.76 -12 18 13.3 801
1990-09-22 02:43:22 A 23 09 17.87 -12 18 34.3 801
1990-09-22 12:27:19 A 23 09 25.70 -12 51 42.2 413
1990-09-22 13:42:18 A 23 09 26.28 -12 55 55.8 413
1990-09-23 10:14:40 A 23 09 43.41 -14 04 45.7 568
1990-09-24 06:55:29 A 23 10 01.28 -15 10 54.1 675
1990-09-24 07:33:15 A 23 10 01.61 -15 12 52.3 675
1990-09-24 10:44:40 A 23 10 04.07 -15 22 44.5 568
1990-09-28 08:53:00 A 23 11 33.5 -19 46 30 E 696
2001-03-20 05:48:53 C 09 03 34.33 -03 43 15.0 o 608
2001-03-20 06:03:54 C 09 03 33.86 -03 43 01.5 o 608
2001-03-20 06:19:14 C 09 03 33.44 -03 42 47.5 o 608
2001-05-20 07:34:04 C 09 22 53.77 +11 38 41.3 o 608
2004-03-01 06:49:56 C 10 36 04.36 -06 23 29.1 d 703
2004-03-01 07:03:10 C 10 36 03.65 -06 23 20.4 d 703
2004-03-01 07:16:25 C 10 36 02.90 -06 23 07.1 d 703
2004-03-01 07:31:11 C 10 36 02.18 -06 22 52.5 d 703
2004-03-01 08:41:52 C 10 35 58.40 -06 21 43.8 d 703
2004-03-01 08:54:50 C 10 35 57.71 -06 21 30.4 d 703
2004-03-01 09:07:50 C 10 35 57.06 -06 21 17.6 d 703
2004-03-01 09:20:52 C 10 35 56.30 -06 21 05.0 d 703
2004-03-02 00:56:47 C 10 35 07.97 -06 05 53.2 r J95
2004-03-02 01:24:14 C 10 35 06.46 -06 05 26.3 r J95
2004-03-02 06:09:55 C 10 34 51.87 -06 00 42.5 r 448
2004-03-02 06:15:06 C 10 34 51.60 -06 00 37.4 r 448
2004-03-02 06:30:23 C 10 34 50.84 -06 00 23.1 r 448