2012 XS111

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4995292572 ± 6.72e-08
Semi-major axis (a)0.7734128014 AU ± 3.63e-09
Inclination (i)7.61737112° ± 6.34e-06
Long. of Asc. Node (Ω)62.14644899° ± 1.21e-05
Arg. of Perihelion (ω)192.04398888° ± 1.70e-05
Mean Anomaly (M)203.99875386° ± 3.12e-05
Mean Motion (n)1.4490896080°/day ± 1.02e-08
Perihelion dist (q)0.38707048 AU ± 5.20e-08
Aphelion dist (Q)1.15975512 AU ± 5.23e-08
Orbital Period0.68016931 yr ± 4.79e-09
Physical Parameters
H (abs. magnitude)22.12
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.331″
Uncertainty0
Orbit TypeAten
MOID0.047282 AU
Observations Used121
Oppositions6
Arc Total2012-2025
First Observation Used2012-12-10
Last Observation Used2025-12-20
Observations (123)
Date Type RA Dec Mag Band Observatory
2014-11-28 08:57:38 C 03 10 02.90 +19 09 25.1 o 291
2014-11-28 08:59:55 C 03 10 02.10 +19 09 25.0 o 291
2014-11-28 09:02:38 C 03 10 01.12 +19 09 24.8 o 291
2014-12-11 04:59:47 C 01 59 30.875 +18 24 18.50 L F51
2014-12-11 05:34:56 C 01 59 25.734 +18 24 14.47 L F51
2014-12-11 05:52:29 C 01 59 23.167 +18 24 12.18 L F51
2016-11-23 02:19:58 C 23 58 13.63 -08 44 26.7 q I52
2016-11-23 02:21:34 C 23 58 13.75 -08 44 23.0 q I52
2016-11-23 02:23:10 C 23 58 13.82 -08 44 18.0 q I52
2016-11-23 02:24:46 C 23 58 14.00 -08 44 14.2 q I52
2016-11-24 06:10:16 C 00 00 39.71 -07 30 40.7 q I52
2016-11-24 06:12:12 C 00 00 39.88 -07 30 35.2 q I52
2016-11-24 06:13:48 C 00 00 40.02 -07 30 31.1 q I52
2016-11-24 06:15:25 C 00 00 40.14 -07 30 26.9 q I52
2016-12-01 04:15:21 C 00 13 06.84 -01 52 45.6 q G96
2016-12-01 04:27:32 C 00 13 07.56 -01 52 24.7 q G96
2016-12-01 04:41:50 C 00 13 08.40 -01 52 02.6 q G96
2016-12-01 04:47:59 C 00 13 08.75 -01 51 51.9 q G96
2025-11-29 11:40:38 C 10 16 14.83 +20 34 52.6 V 291
2025-11-29 11:57:10 C 10 16 17.18 +20 34 54.9 V 291
2025-11-29 12:13:41 C 10 16 19.53 +20 34 57.8 V 291
2025-12-20 13:15:31 C 12 05 14.172 +21 52 21.94 V I52
2025-12-20 13:18:52 C 12 05 15.212 +21 52 21.43 V I52