2018 ET3

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1021457000
Semi-major axis (a)1.0650281000 AU
Inclination (i)8.82764000°
Long. of Asc. Node (Ω)162.83981000°
Arg. of Perihelion (ω)300.21103000°
Mean Anomaly (M)57.18732000°
Mean Motion (n)0.8967315400°/day
Perihelion dist (q)0.95624010 AU
Aphelion dist (Q)1.17381610 AU
Orbital Period1.09911110 yr
Physical Parameters
H (abs. magnitude)26.60
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.780″
Uncertainty6
Orbit TypeApollo
MOID0.009953 AU
Observations Used29
Oppositions1
Arc Total
First Observation Used
Last Observation Used2018-03-18
Observations (35)
Date Type RA Dec Mag Band Observatory
2018-03-02 20:58:11 S 06 11 35.762 +08 40 49.22 L C51
2018-03-02 22:32:26 S 06 12 39.050 +09 07 57.65 L C51
2018-03-02 22:32:37 S 06 12 39.151 +09 07 55.70 L C51
2018-03-03 01:41:18 S 06 14 46.651 +10 02 11.94 L C51
2018-03-09 03:06:59 C 08 04 52.47 +43 42 37.0 U G96
2018-03-09 03:14:33 C 08 04 57.63 +43 43 43.6 U G96
2018-03-09 03:22:06 C 08 05 02.72 +43 44 51.1 U G96
2018-03-09 03:29:38 C 08 05 07.87 +43 45 57.2 U G96
2018-03-09 04:59:04 C 08 06 09.14 +43 58 56.6 U I52
2018-03-09 05:04:37 C 08 06 12.98 +43 59 44.2 U I52
2018-03-09 05:07:22 C 08 06 14.69 +44 00 08.4 U I52
2018-03-09 05:14:33 C 08 06 18.14 +44 00 57.6 U H01
2018-03-09 05:25:55 C 08 06 25.94 +44 02 32.7 U H01
2018-03-09 05:38:10 C 08 06 34.38 +44 04 14.6 U H01
2018-03-09 05:44:15 C 08 06 38.58 +44 05 04.9 U H01
2018-03-10 03:13:53 C 08 23 35.56 +46 53 49.4 U H01
2018-03-10 03:24:16 C 08 23 42.50 +46 55 05.5 U H01
2018-03-10 03:34:06 C 08 23 49.12 +46 56 17.1 U H01
2018-03-10 03:41:54 C 08 23 55.85 +46 57 19.2 U G96
2018-03-10 03:42:29 C 08 23 56.12 +46 57 23.9 U G96
2018-03-10 03:43:04 C 08 23 56.63 +46 57 27.9 U G96
2018-03-10 03:43:39 C 08 23 57.02 +46 57 31.8 U G96
2018-03-10 03:49:17 C 08 23 59.26 +46 58 07.2 U H01
2018-03-13 03:57:34 C 09 16 07.95 +53 13 02.6 u H21
2018-03-13 04:13:28 C 09 16 17.27 +53 13 58.9 u H21
2018-03-13 04:30:43 C 09 16 27.38 +53 14 59.5 u H21
2018-03-13 19:44:26 C 09 26 38.17 +54 05 07.1 U K51
2018-03-13 19:47:21 C 09 26 39.86 +54 05 16.6 U K51
2018-03-13 19:50:17 C 09 26 41.55 +54 05 26.3 U K51
2018-03-17 10:40:46 C 10 15 31.05 +56 57 33.1 o 291
2018-03-17 10:50:01 C 10 15 35.38 +56 57 38.9 o 291
2018-03-17 10:59:15 C 10 15 39.68 +56 57 44.7 o 291
2018-03-18 07:52:32 C 10 25 42.87 +57 19 47.3 o 291
2018-03-18 08:03:25 C 10 25 47.16 +57 19 53.8 o 291
2018-03-18 08:14:18 C 10 25 51.41 +57 20 00.9 o 291