2018 EA1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4798313865 ± 1.73e-07
Semi-major axis (a)1.1075390380 AU ± 1.01e-08
Inclination (i)14.69650048° ± 1.42e-05
Long. of Asc. Node (Ω)347.94910313° ± 2.23e-05
Arg. of Perihelion (ω)333.35108730° ± 4.07e-05
Mean Anomaly (M)89.53221992° ± 6.78e-05
Mean Motion (n)0.8456170125°/day ± 1.15e-08
Perihelion dist (q)0.57610705 AU ± 1.92e-07
Aphelion dist (Q)1.63897103 AU ± 1.92e-07
Orbital Period1.16557055 yr ± 1.59e-08
Physical Parameters
H (abs. magnitude)20.83
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.359″
Uncertainty0
Orbit TypeApollo
MOID0.175087 AU
Observations Used74
Oppositions2
Arc Total2011-2025
First Observation Used2011-03-29
Last Observation Used2025-04-03
Observations (76)
Date Type RA Dec Mag Band Observatory
2019-01-05 09:42:54 C 10 28 19.85 +37 38 07.7 u H21
2019-01-08 12:57:53 C 10 21 05.38 +38 23 41.1 V V06
2019-01-08 13:02:37 C 10 21 04.87 +38 23 44.0 V V06
2019-01-08 13:12:25 C 10 21 03.86 +38 23 49.9 V V06
2019-01-09 13:08:01 C 10 18 33.328 +38 38 03.75 U F51
2019-01-09 13:25:25 C 10 18 31.386 +38 38 14.12 U F51
2019-01-09 13:42:53 C 10 18 29.418 +38 38 24.25 U F51
2019-01-28 07:14:38 C 09 15 28.03 +41 28 42.8 V G96
2019-01-28 07:22:04 C 09 15 26.87 +41 28 43.4 V G96
2019-01-28 07:29:31 C 09 15 25.52 +41 28 43.7 V G96
2019-01-28 07:36:58 C 09 15 24.42 +41 28 44.7 V G96
2020-01-14 01:49:18 C 02 08 43.54 +51 41 41.0 V G96
2020-01-14 01:58:16 C 02 08 45.42 +51 41 33.3 V G96
2020-01-14 02:07:15 C 02 08 47.40 +51 41 24.6 V G96
2025-02-23 09:43:09 C 11 13 22.879 +12 13 31.44 X F52
2025-02-23 10:00:01 C 11 13 20.771 +12 13 35.20 X F52
2025-02-23 10:33:31 C 11 13 16.597 +12 13 42.21 X F52
2025-03-24 05:35:47 C 09 42 24.426 +12 52 51.35 V G96
2025-03-24 05:43:56 C 09 42 23.490 +12 52 50.20 V G96
2025-03-24 05:52:02 C 09 42 22.604 +12 52 49.33 V G96
2025-03-28 06:08:55 C 09 32 24.536 +12 36 15.96 X F51
2025-03-28 06:26:18 C 09 32 22.815 +12 36 12.37 X F51
2025-03-28 06:45:46 C 09 32 20.838 +12 36 08.36 X F51
2025-04-03 06:00:18 C 09 20 01.260 +12 03 26.60 V 691
2025-04-03 06:25:26 C 09 19 59.260 +12 03 20.60 V 691
2025-04-03 06:50:36 C 09 19 57.340 +12 03 13.00 V 691