2008 XB1

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3726440662 ± 5.05e-08
Semi-major axis (a)1.3324432228 AU ± 2.16e-09
Inclination (i)12.68372525° ± 7.78e-06
Long. of Asc. Node (Ω)270.31575721° ± 1.06e-05
Arg. of Perihelion (ω)84.08093841° ± 1.54e-05
Mean Anomaly (M)45.76185365° ± 1.35e-05
Mean Motion (n)0.6408246483°/day ± 1.56e-09
Perihelion dist (q)0.83591616 AU ± 6.73e-08
Aphelion dist (Q)1.82897028 AU ± 6.73e-08
Orbital Period1.53805926 yr ± 3.75e-09
Physical Parameters
H (abs. magnitude)20.96
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.302″
Uncertainty0
Orbit TypeApollo
MOID0.045419 AU
Observations Used129
Oppositions6
Arc Total2008-2026
First Observation Used2008-12-03
Last Observation Used2026-01-13
Observations (140)
Date Type RA Dec Mag Band Observatory
2008-12-19 03:56:30 C 02 17 49.90 +27 37 38.9 19.4 c 704
2008-12-19 04:14:38 C 02 17 55.50 +27 36 54.5 19.1 c 704
2008-12-19 04:32:45 C 02 18 01.10 +27 36 10.9 18.9 c 704
2008-12-19 19:01:05 C 02 22 36.24 +27 01 26.3 v B15
2008-12-19 19:02:47 C 02 22 36.74 +27 01 22.2 v B15
2008-12-19 19:09:11 C 02 22 38.70 +27 01 07.3 v B15
2008-12-19 19:10:41 C 02 22 39.13 +27 01 03.9 v B15
2008-12-19 19:13:28 C 02 22 39.96 +27 00 57.6 v B15
2008-12-21 18:16:56 C 02 36 15.84 +25 15 13.0 c 560
2008-12-21 18:20:15 C 02 36 16.67 +25 15 05.9 c 560
2008-12-21 18:23:08 C 02 36 17.39 +25 14 59.7 c 560
2008-12-25 04:37:27 C 02 56 11.66 +22 33 49.5 r 448
2008-12-25 04:49:20 C 02 56 14.11 +22 33 28.0 r 448
2008-12-25 05:01:12 C 02 56 16.60 +22 33 06.8 r 448
2008-12-25 05:13:05 C 02 56 19.05 +22 32 45.3 r 448
2008-12-25 05:25:37 C 02 56 21.67 +22 32 22.7 r 448
2008-12-29 03:04:13 C 03 14 39.96 +20 03 05.8 o H55
2008-12-29 03:05:23 C 03 14 40.17 +20 03 04.0 o H55
2008-12-29 03:11:16 C 03 14 41.15 +20 02 55.6 o H55
2008-12-29 03:13:59 C 03 14 41.62 +20 02 51.5 o H55
2008-12-29 04:09:33 C 03 14 51.68 +20 01 37.1 r G96
2008-12-29 04:22:22 C 03 14 53.80 +20 01 19.0 r G96
2008-12-29 04:35:09 C 03 14 55.93 +20 01 00.8 r G96
2008-12-29 04:47:55 C 03 14 58.09 +20 00 42.8 r G96
2008-12-30 04:59:07 C 03 19 06.22 +19 27 34.8 20.6 c 704
2008-12-30 05:17:38 C 03 19 09.23 +19 27 11.3 20.8 c 704
2008-12-30 05:36:20 C 03 19 12.21 +19 26 45.6 20.3 c 704
2008-12-30 05:54:45 C 03 19 15.11 +19 26 20.7 20.6 c 704
2009-01-01 03:24:08 C 03 26 31.72 +18 29 23.2 o H55
2009-01-01 03:32:21 C 03 26 32.92 +18 29 13.3 o H55
2009-01-01 03:53:00 C 03 26 35.94 +18 28 48.7 o H55
2009-01-09 01:49:35 C 03 51 43.40 +15 31 54.3 o H55
2009-01-09 02:02:05 C 03 51 44.75 +15 31 45.7 o H55
2009-01-09 02:14:55 C 03 51 46.16 +15 31 36.0 o H55
2009-01-15 05:22:33 C 04 07 29.95 +14 04 16.9 o 291
2009-01-15 05:27:57 C 04 07 30.46 +14 04 14.2 o 291
2009-01-15 05:34:52 C 04 07 31.12 +14 04 10.7 o 291
2009-01-25 04:32:00 C 04 29 31.86 +12 40 51.3 o 291
2009-01-25 04:37:37 C 04 29 32.23 +12 40 50.6 o 291
2009-01-25 04:43:24 C 04 29 32.78 +12 40 47.5 o 291
2011-06-04 02:35:53 C 11 32 13.79 -15 13 33.3 o 807
2011-06-04 02:39:08 C 11 32 13.86 -15 13 31.8 o 807
2011-06-04 02:42:24 C 11 32 14.00 -15 13 30.2 o 807
2011-06-04 02:45:37 C 11 32 14.09 -15 13 28.9 o 807
2011-06-04 02:48:52 C 11 32 14.18 -15 13 27.5 o 807
2011-06-04 02:52:08 C 11 32 14.27 -15 13 26.2 o 807
2014-04-30 04:48:25 C 10 37 56.97 -15 34 56.0 o 695
2014-04-30 04:59:11 C 10 37 56.90 -15 34 49.1 o 695
2014-04-30 05:09:54 C 10 37 56.81 -15 34 42.2 o 695
2017-02-22 06:02:30 C 11 03 49.33 -21 20 13.0 o 291