2018 XR3

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6033513015 ± 2.83e-05
Semi-major axis (a)1.6643455092 AU ± 9.79e-05
Inclination (i)14.10256532° ± 7.37e-04
Long. of Asc. Node (Ω)259.02078735° ± 7.74e-05
Arg. of Perihelion (ω)64.55378466° ± 4.30e-04
Mean Anomaly (M)127.09842785° ± 9.10e-02
Mean Motion (n)0.4590363138°/day ± 4.05e-05
Perihelion dist (q)0.66016048 AU ± 6.11e-05
Aphelion dist (Q)2.66853054 AU ± 1.64e-04
Orbital Period2.14716408 yr ± 1.89e-04
Physical Parameters
H (abs. magnitude)21.53
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.203″
Uncertainty2
Orbit TypeApollo
MOID0.081456 AU
Observations Used40
Oppositions1
Arc Total2018-2019
First Observation Used2018-10-28
Last Observation Used2019-01-12
Observations (43)
Date Type RA Dec Mag Band Observatory
2018-10-28 11:21:41 C 09 45 50.88 +43 58 53.7 V G96
2018-10-28 11:29:06 C 09 45 48.29 +43 58 54.2 V G96
2018-10-28 11:36:31 C 09 45 45.68 +43 58 53.8 V G96
2018-10-28 11:43:57 C 09 45 42.94 +43 58 55.5 V G96
2018-12-10 06:53:37 C 05 11 15.28 +23 42 49.7 V G96
2018-12-10 07:01:42 C 05 11 14.22 +23 42 39.7 V G96
2018-12-10 07:09:47 C 05 11 13.15 +23 42 30.0 V G96
2018-12-10 07:17:53 C 05 11 12.10 +23 42 20.5 V G96
2018-12-10 08:36:02 C 05 11 01.84 +23 40 46.1 V H01
2018-12-10 08:41:40 C 05 11 01.11 +23 40 39.3 V H01
2018-12-10 08:58:00 C 05 10 58.99 +23 40 19.6 V H01
2018-12-10 09:05:46 C 05 10 57.99 +23 40 10.2 V H01
2018-12-10 11:03:33 C 05 10 42.87 +23 37 48.0 V I52
2018-12-10 11:06:06 C 05 10 42.60 +23 37 45.3 V I52
2018-12-10 11:08:41 C 05 10 42.25 +23 37 42.1 V I52
2018-12-10 11:09:47 C 05 10 42.11 +23 37 41.3 V I52
2018-12-10 22:38:45 C 05 09 18.73 +23 24 08.2 V L01
2018-12-10 22:43:48 C 05 09 18.08 +23 24 02.4 V L01
2018-12-10 22:46:03 C 05 09 17.78 +23 23 59.5 V L01
2018-12-11 06:41:56 C 05 08 20.22 +23 14 48.7 u H21
2018-12-11 06:47:08 C 05 08 19.58 +23 14 42.3 u H21
2018-12-11 06:51:09 C 05 08 19.06 +23 14 37.5 u H21
2018-12-12 03:45:05 C 05 05 54.06 +22 50 52.4 V H01
2018-12-12 03:50:57 C 05 05 53.37 +22 50 46.0 V H01
2018-12-12 04:06:59 C 05 05 51.47 +22 50 28.4 V H01
2018-12-12 04:18:27 C 05 05 50.17 +22 50 14.9 V I52
2018-12-12 04:20:34 C 05 05 49.88 +22 50 13.5 V H01
2018-12-12 04:21:08 C 05 05 49.86 +22 50 12.6 V I52
2018-12-12 04:22:14 C 05 05 49.69 +22 50 11.0 V I52
2018-12-12 04:25:03 C 05 05 49.40 +22 50 08.6 V I52
2018-12-13 04:32:35 C 05 03 08.72 +22 23 41.0 V I52
2018-12-13 04:35:35 C 05 03 08.40 +22 23 37.9 V I52
2018-12-13 04:38:34 C 05 03 08.00 +22 23 34.7 V I52
2018-12-13 04:41:34 C 05 03 07.73 +22 23 31.2 V I52
2018-12-14 07:39:50 C 05 00 17.04 +21 55 07.5 V I52
2018-12-14 07:43:39 C 05 00 16.64 +21 55 03.6 V I52
2018-12-14 07:47:30 C 05 00 16.23 +21 54 59.4 V I52
2018-12-14 07:51:20 C 05 00 15.80 +21 54 55.7 V I52
2018-12-26 03:43:49 C 04 39 26.56 +18 05 46.2 u H21
2018-12-26 04:00:12 C 04 39 25.72 +18 05 36.2 u H21
2018-12-26 04:32:42 C 04 39 24.02 +18 05 16.4 u H21
2019-01-12 08:41:07 C 04 29 54.573 +15 25 07.54 V T12
2019-01-12 08:51:47 C 04 29 54.524 +15 25 05.19 V T12