2018 YA1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2775079000
Semi-major axis (a)0.7773494000 AU
Inclination (i)1.79752000°
Long. of Asc. Node (Ω)71.03549000°
Arg. of Perihelion (ω)204.78693000°
Mean Anomaly (M)199.81714000°
Mean Motion (n)1.4380688900°/day
Perihelion dist (q)0.56162880 AU
Aphelion dist (Q)0.99307000 AU
Orbital Period0.68536890 yr
Physical Parameters
H (abs. magnitude)23.48
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.850″
Uncertainty7
Orbit TypeAtira
MOID0.006512 AU
Observations Used54
Oppositions1
Arc Total
First Observation Used
Last Observation Used2019-01-17
Observations (54)
Date Type RA Dec Mag Band Observatory
2018-12-17 02:10:46 C 23 13 10.29 +08 11 51.9 W I41
2018-12-17 02:12:47 C 23 13 11.27 +08 11 58.0 W I41
2018-12-17 03:03:37 C 23 13 36.36 +08 14 31.8 W I41
2018-12-17 03:04:55 C 23 13 37.01 +08 14 35.8 W I41
2018-12-17 03:06:14 C 23 13 37.66 +08 14 39.7 W I41
2018-12-19 03:39:29 C 23 36 37.82 +10 18 07.8 V 703
2018-12-19 03:47:08 C 23 36 40.56 +10 18 22.9 V 703
2018-12-19 03:54:48 C 23 36 43.26 +10 18 38.4 V 703
2018-12-19 04:02:27 C 23 36 46.06 +10 18 53.2 V 703
2018-12-19 05:17:28 C 23 37 13.44 +10 21 20.3 V 703
2018-12-19 05:21:08 C 23 37 14.78 +10 21 30.5 V 703
2018-12-19 05:29:24 C 23 37 17.74 +10 21 42.9 V I52
2018-12-19 05:29:50 C 23 37 17.95 +10 21 44.6 V I52
2018-12-19 05:30:16 C 23 37 18.13 +10 21 45.4 V I52
2018-12-19 05:30:42 C 23 37 18.27 +10 21 45.5 V I52
2018-12-19 18:32:49 C 23 42 24.37 +10 47 23.3 t K96
2018-12-19 18:47:46 C 23 42 29.19 +10 47 50.4 t K96
2018-12-20 01:32:10 C 23 44 59.70 +11 00 42.3 V I52
2018-12-20 01:33:55 C 23 45 00.22 +11 00 45.5 V I52
2018-12-20 01:35:39 C 23 45 00.73 +11 00 48.4 V I52
2018-12-20 17:59:03 C 23 50 30.82 +11 27 57.1 q C95
2018-12-20 18:13:38 C 23 50 34.83 +11 28 21.3 q C95
2018-12-21 02:42:29 C 23 53 11.39 +11 42 11.5 o 691
2018-12-21 02:53:28 C 23 53 14.24 +11 42 27.2 o 691
2018-12-21 03:04:14 C 23 53 16.98 +11 42 43.1 o 691
2018-12-25 01:43:22 C 00 16 08.55 +13 31 44.2 o 691
2018-12-25 01:45:28 C 00 16 08.86 +13 31 45.9 o 691
2018-12-25 01:47:34 C 00 16 09.19 +13 31 48.1 o 691
2018-12-25 02:08:26 C 00 16 12.32 +13 32 05.8 o 691
2018-12-25 02:26:53 C 00 16 15.07 +13 32 21.3 o 691
2018-12-25 02:44:31 C 00 16 17.75 +13 32 35.9 o 691
2018-12-31 05:29:30 C 00 37 32.63 +15 06 13.5 o 291
2018-12-31 05:34:56 C 00 37 33.21 +15 06 15.8 o 291
2018-12-31 05:40:23 C 00 37 33.71 +15 06 17.9 o 291
2019-01-03 05:23:00 C 00 44 55.734 +15 37 18.23 U F51
2019-01-03 05:41:42 C 00 44 56.917 +15 37 24.78 U F51
2019-01-03 06:00:26 C 00 44 58.120 +15 37 31.08 U F51
2019-01-03 06:18:57 C 00 44 59.326 +15 37 37.10 U F51
2019-01-04 05:03:33 C 00 47 00.14 +15 45 33.0 o 291
2019-01-04 05:09:48 C 00 47 00.60 +15 45 34.7 o 291
2019-01-04 05:16:02 C 00 47 01.05 +15 45 36.4 o 291
2019-01-04 05:26:17 C 00 47 05.251 +15 46 10.37 U F51
2019-01-04 05:44:28 C 00 47 06.337 +15 46 16.11 U F51
2019-01-04 06:02:44 C 00 47 07.457 +15 46 21.92 U F51
2019-01-05 02:47:46 C 00 48 54.05 +15 53 16.6 o 691
2019-01-05 03:14:10 C 00 48 55.58 +15 53 24.4 o 691
2019-01-05 03:40:33 C 00 48 57.25 +15 53 32.5 o 691
2019-01-08 03:18:00 C 00 54 28.11 +16 15 53.0 o 691
2019-01-08 03:25:11 C 00 54 28.52 +16 15 54.9 o 691
2019-01-08 03:32:21 C 00 54 28.96 +16 15 56.4 o 691