26817 (1987 QB)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5936875860 ± 3.58e-08
Semi-major axis (a)2.8055538896 AU ± 2.99e-08
Inclination (i)3.49754906° ± 5.66e-06
Long. of Asc. Node (Ω)153.16130748° ± 7.59e-05
Arg. of Perihelion (ω)156.61184689° ± 7.67e-05
Mean Anomaly (M)60.87680799° ± 3.33e-05
Mean Motion (n)0.2097414922°/day ± 3.35e-09
Perihelion dist (q)1.13993137 AU ± 1.01e-07
Aphelion dist (Q)4.47117641 AU ± 1.11e-07
Orbital Period4.69924321 yr ± 7.50e-08
Physical Parameters
H (abs. magnitude)19.49
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.510″
Uncertainty0
Orbit TypeAmor
MOID0.126049 AU
Observations Used103
Oppositions26
Arc Total1987-2020
First Observation Used1987-05-31
Last Observation Used2020-11-19
Observations (110)
Date Type RA Dec Mag Band Observatory
1987-05-31 14:43:27 A 17 36 20.83 -10 32 52.1 18.5 413
1987-05-31 15:58:26 A 17 36 23.03 -10 32 23.3 413
1987-08-25 09:08:45 A 22 48 08.28 -07 19 55.0 16.8 675
1987-08-25 09:42:14 A 22 48 12.84 -07 20 03.1 675
1987-08-26 14:42:26 A 22 52 22.60 -07 25 26.1 17.0 413
1987-08-26 15:42:27 A 22 52 30.14 -07 25 37.1 413
1987-08-27 06:56:30 A 22 54 36.79 -07 29 41.4 675
1987-08-27 08:01:59 A 22 54 45.01 -07 29 55.2 675
1987-08-28 10:41:59 A 22 58 14.15 -07 35 19.4 675
1987-08-29 05:24:00 A 23 00 39.13 -07 38 57.3 675
1987-08-29 12:11:30 A 23 01 25.12 -07 40 14.2 675
1987-09-25 03:41:19 A 23 46 15.90 -08 23 51.5 A 801
1987-09-26 05:27:41 A 23 47 12.69 -08 22 15.2 A 801
1987-09-27 06:06:59 A 23 48 07.17 -08 20 22.6 B 691
1987-09-27 06:46:47 A 23 48 08.31 -08 20 19.1 B 691
1987-09-27 06:50:55 A 23 48 08.41 -08 20 18.6 B 691
1987-10-26 06:13:01 A 00 09 57.98 -06 03 13.0 688
1987-10-26 06:27:53 A 00 09 58.39 -06 03 08.7 688
1987-11-19 02:31:26 A 00 31 43.87 -02 46 16.2 688
1987-11-19 02:42:04 A 00 31 44.31 -02 46 12.3 688
2001-05-15 07:33:40 C 16 08 26.83 -10 41 50.9 918
2001-05-15 07:54:36 C 16 08 26.38 -10 41 43.7 918
2001-05-15 08:15:40 C 16 08 25.88 -10 41 36.4 918
2001-05-16 10:16:52 C 16 07 58.44 -10 31 59.8 926
2001-05-16 10:22:53 C 16 07 58.33 -10 31 57.9 926
2001-05-16 10:28:50 C 16 07 58.19 -10 31 56.1 926
2001-05-26 06:25:43 C 16 02 35.74 -09 02 56.7 18.4 c 704
2001-05-26 06:42:02 C 16 02 35.26 -09 02 50.3 18.7 c 704
2001-05-26 06:58:19 C 16 02 34.68 -09 02 43.3 18.3 c 704
2001-05-26 07:14:36 C 16 02 34.23 -09 02 36.8 18.6 c 704
2001-05-26 07:30:50 C 16 02 33.72 -09 02 30.6 18.9 c 704
2001-05-27 06:41:23 C 16 01 56.15 -08 53 45.7 711
2001-05-27 07:00:02 C 16 01 55.57 -08 53 39.0 711
2001-06-15 05:23:02 C 15 49 35.72 -06 28 20.9 18.9 c 704
2001-06-15 05:40:03 C 15 49 35.23 -06 28 17.3 18.6 c 704
2001-06-15 05:45:17 C 15 49 34.99 -06 28 19.3 918
2001-06-15 05:51:19 C 15 49 34.79 -06 28 17.6 918
2001-06-15 05:56:48 C 15 49 34.81 -06 28 13.7 18.5 c 704
2001-06-15 05:58:48 C 15 49 34.66 -06 28 16.4 918
2001-06-15 06:05:07 C 15 49 34.48 -06 28 14.8 918
2001-06-15 06:13:36 C 15 49 34.34 -06 28 10.1 18.8 c 704
2001-06-15 06:31:26 C 15 49 33.87 -06 28 05.7 18.7 c 704
2001-06-16 06:16:05 C 15 49 04.20 -06 22 58.8 918
2001-06-16 06:23:03 C 15 49 04.01 -06 22 57.5 918
2001-06-16 06:29:58 C 15 49 03.88 -06 22 56.4 918
2001-06-16 06:36:57 C 15 49 03.75 -06 22 54.6 918
2001-06-25 04:22:16 C 15 46 24.51 -05 53 46.7 711
2001-06-25 04:37:36 C 15 46 24.38 -05 53 46.0 711
2001-06-25 04:53:06 C 15 46 24.23 -05 53 45.2 711
2001-07-18 09:26:50 C 16 05 05.25 -07 48 00.1 18.8 c 608