68548 (2001 XR31)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4367276144 ± 5.25e-09
Semi-major axis (a)1.7072057785 AU ± 8.80e-10
Inclination (i)22.71499669° ± 1.27e-06
Long. of Asc. Node (Ω)302.02062212° ± 2.51e-06
Arg. of Perihelion (ω)24.69827001° ± 2.43e-06
Mean Anomaly (M)3.27984517° ± 4.90e-07
Mean Motion (n)0.4418587586°/day ± 3.41e-10
Perihelion dist (q)0.96162187 AU ± 8.97e-09
Aphelion dist (Q)2.45278969 AU ± 9.04e-09
Orbital Period2.23063652 yr ± 1.72e-09
Physical Parameters
H (abs. magnitude)16.57
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.099″
Uncertainty0
Orbit TypeApollo
MOID0.026866 AU
Observations Used1169
Gaia Obs Used49
Oppositions8
Arc Total2001-2025
First Observation Used2001-12-01
Last Observation Used2025-04-23
Observations (1314)
Date Type RA Dec Mag Band Observatory
2003-12-09 21:32:06 C 05 19 28.41 +60 15 14.2 o 084
2003-12-11 06:28:55 C 05 14 48.73 +59 40 22.0 18.2 c 704
2003-12-11 06:45:15 C 05 14 46.42 +59 40 04.1 18.2 c 704
2003-12-11 07:02:36 C 05 14 43.95 +59 39 44.5 18.3 c 704
2003-12-11 07:20:14 C 05 14 41.30 +59 39 26.2 18.5 c 704
2004-01-17 02:22:24 C 04 25 42.13 +42 07 04.3 o H88
2004-01-17 02:45:56 C 04 25 42.30 +42 06 35.7 o H88
2004-02-11 04:04:44 C 04 41 39.35 +34 18 46.9 19.9 c 704
2004-02-11 04:22:02 C 04 41 39.90 +34 18 36.7 20.7 c 704
2004-02-11 04:56:50 C 04 41 41.37 +34 18 18.0 20.5 c 704
2004-02-11 05:14:16 C 04 41 42.04 +34 18 06.6 20.6 c 704
2005-08-05 09:55:11 C 12 44 07.69 -25 12 21.3 r E12
2005-08-05 10:07:26 C 12 44 09.16 -25 12 22.6 r E12
2005-08-05 10:19:27 C 12 44 10.60 -25 12 22.7 r E12
2005-08-28 09:43:13 C 13 58 51.56 -25 04 22.3 r E12
2005-08-28 09:54:24 C 13 58 53.25 -25 04 22.2 r E12
2005-08-28 10:05:32 C 13 58 54.91 -25 04 21.1 r E12
2005-08-28 10:16:39 C 13 58 56.38 -25 04 20.7 r E12
2011-01-05 07:49:13 C 08 56 52.18 +18 49 33.8 r 703
2011-01-05 07:57:54 C 08 56 51.64 +18 49 31.5 r 703
2011-01-05 08:06:32 C 08 56 51.18 +18 49 31.9 r 703
2011-01-05 08:15:12 C 08 56 50.53 +18 49 29.6 r 703
2011-01-10 07:05:41 C 08 48 43.40 +18 37 39.0 o 691
2011-01-10 07:31:12 C 08 48 41.56 +18 37 36.7 o 691
2011-01-10 07:56:45 C 08 48 39.74 +18 37 33.9 o 691
2011-01-13 05:51:31 C 08 43 37.63 +18 30 32.0 o 691
2011-01-13 06:17:02 C 08 43 35.71 +18 30 29.2 o 691
2011-01-13 06:47:30 C 08 43 33.70 +18 30 26.4 o 691
2011-01-23 08:00:38 C 08 25 28.34 +18 04 37.9 r G96
2011-01-23 08:12:15 C 08 25 27.44 +18 04 36.3 r G96
2011-01-23 08:23:54 C 08 25 26.54 +18 04 35.2 r G96
2011-01-23 08:35:29 C 08 25 25.64 +18 04 33.9 r G96
2011-01-24 00:54:28 C 08 24 11.94 +18 02 40.3 u 160
2011-01-24 00:56:26 C 08 24 11.84 +18 02 39.9 u 160
2011-01-24 00:58:29 C 08 24 11.69 +18 02 39.7 u 160
2011-01-29 05:51:12 C 08 14 57.12 +17 47 53.9 r 703
2011-01-29 06:01:16 C 08 14 56.32 +17 47 52.5 r 703
2011-01-29 06:11:25 C 08 14 55.64 +17 47 52.0 r 703
2011-01-29 06:21:29 C 08 14 54.88 +17 47 50.7 r 703
2012-03-10 09:24:08 C 18 21 15.92 -47 40 35.4 o 807
2012-03-10 09:32:18 C 18 21 17.47 -47 40 35.6 o 807
2012-03-10 09:40:25 C 18 21 19.01 -47 40 36.1 o 807
2012-03-31 17:54:59 C 20 02 51.31 -45 22 48.3 r E12
2012-03-31 18:23:17 C 20 02 56.97 -45 22 31.2 r E12
2012-04-20 18:03:04 C 21 36 45.77 -37 22 53.4 r E12
2012-04-20 18:29:14 C 21 36 50.59 -37 22 17.6 r E12
2012-10-10 10:29:41 C 07 56 11.36 +46 47 37.7 18.9 c 704
2012-10-10 10:48:48 C 07 56 12.72 +46 47 35.6 18.8 c 704
2012-10-10 11:08:01 C 07 56 13.89 +46 47 34.6 18.7 c 704
2012-10-10 11:27:04 C 07 56 15.07 +46 47 32.9 19.4 c 704