2018 RW27

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5377630455 ± 7.16e-06
Semi-major axis (a)2.7728147486 AU ± 4.55e-05
Inclination (i)9.09826815° ± 5.36e-05
Long. of Asc. Node (Ω)168.87695183° ± 1.10e-04
Arg. of Perihelion (ω)165.75117969° ± 6.86e-05
Mean Anomaly (M)198.37846742° ± 1.39e-02
Mean Motion (n)0.2134671211°/day ± 5.25e-06
Perihelion dist (q)1.28169744 AU ± 2.89e-05
Aphelion dist (Q)4.26393205 AU ± 7.27e-05
Orbital Period4.61722760 yr ± 1.14e-04
Physical Parameters
H (abs. magnitude)19.98
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.217″
Uncertainty2
Orbit TypeAmor
MOID0.273107 AU
Observations Used22
Oppositions1
Arc Total2018-2018
First Observation Used2018-07-04
Last Observation Used2018-12-14
Observations (63)
Date Type RA Dec Mag Band Observatory
2018-07-04 08:30:51 C 17 56 43.827 +00 56 48.66 U F52
2018-07-04 08:45:21 C 17 56 43.330 +00 56 49.13 U F52
2018-07-04 08:59:57 C 17 56 42.851 +00 56 49.81 U F52
2018-07-04 09:14:41 C 17 56 42.369 +00 56 50.02 U F52
2018-09-14 14:34:56 S 19 02 24.602 -15 16 09.44 L C51
2018-09-14 17:43:15 S 19 02 48.670 -15 18 22.07 L C51
2018-09-15 03:08:34 S 19 04 01.404 -15 24 55.04 L C51
2018-09-15 09:25:35 S 19 04 49.96 -15 29 15.4 L C51
2018-09-15 12:33:21 S 19 05 14.33 -15 31 21.9 L C51
2018-09-15 15:42:23 S 19 05 38.85 -15 33 34.2 L C51
2018-09-15 17:16:39 S 19 05 51.26 -15 34 37.0 L C51
2018-09-15 18:50:54 S 19 06 03.44 -15 35 41.1 L C51
2018-09-16 01:07:43 S 19 06 52.45 -15 39 58.8 L C51
2018-09-16 02:41:14 S 19 07 04.75 -15 41 00.5 L C51
2018-09-16 04:15:29 S 19 07 17.122 -15 42 04.61 L C51
2018-09-16 07:24:42 S 19 07 41.95 -15 44 13.1 L C51
2018-09-16 08:58:58 S 19 07 54.442 -15 45 16.88 L C51
2018-09-16 12:06:44 S 19 08 19.31 -15 47 26.2 L C51
2018-09-16 15:15:47 S 19 08 44.00 -15 49 30.2 L C51
2018-09-16 21:32:36 S 19 09 33.859 -15 53 42.32 L C51
2018-09-17 00:41:06 S 19 09 58.850 -15 55 45.91 L C51
2018-09-17 10:06:25 S 19 11 14.287 -16 01 59.52 L C51
2018-09-17 13:14:11 S 19 11 39.271 -16 04 03.40 L C51
2018-09-18 02:52:30 C 19 13 29.50 -16 13 09.2 o 291
2018-09-18 03:11:19 C 19 13 32.01 -16 13 20.1 o 291
2018-09-21 23:46:11 C 19 26 22.75 -17 09 42.2 U 807
2018-09-21 23:50:44 C 19 26 23.38 -17 09 45.4 U 807
2018-09-21 23:55:55 C 19 26 24.11 -17 09 47.9 U 807
2018-09-24 10:07:44 S 19 34 47.30 -17 42 02.1 L C51
2018-09-24 13:16:14 S 19 35 14.81 -17 43 39.0 L C51
2018-09-24 19:33:03 S 19 36 10.08 -17 46 57.9 L C51
2018-09-24 22:41:33 S 19 36 37.709 -17 48 36.18 L C51
2018-09-25 01:49:52 S 19 37 05.37 -17 50 12.3 L C51
2018-09-25 04:58:22 S 19 37 33.17 -17 51 48.7 L C51
2018-09-25 20:40:41 S 19 39 52.366 -17 59 44.66 L C51
2018-09-26 01:23:15 S 19 40 34.24 -18 02 04.7 L C51
2018-09-26 06:06:00 S 19 41 16.322 -18 04 24.24 L C51
2018-09-26 09:14:30 S 19 41 44.29 -18 05 56.4 L C51
2018-09-26 13:57:04 S 19 42 26.44 -18 08 13.3 L C51
2018-09-26 15:31:20 S 19 42 40.51 -18 08 58.4 L C51
2018-09-26 17:05:34 S 19 42 54.55 -18 09 42.8 L C51
2018-09-26 18:39:49 S 19 43 08.65 -18 10 28.6 L C51
2018-09-26 20:13:53 S 19 43 22.754 -18 11 13.49 L C51
2018-09-26 20:14:04 S 19 43 22.733 -18 11 13.24 L C51
2018-09-27 00:56:38 S 19 44 04.968 -18 13 25.72 L C51
2018-09-27 02:35:30 C 19 44 19.97 -18 14 26.3 o 291
2018-09-27 02:54:07 C 19 44 22.77 -18 14 35.1 o 291
2018-09-27 15:04:42 S 19 46 12.302 -18 20 02.58 L C51
2018-09-28 06:46:51 S 19 48 34.548 -18 27 07.13 L C51
2018-09-28 09:55:21 S 19 49 03.103 -18 28 30.83 L C51