2026 ER1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4692215617 ± 1.90e-04
Semi-major axis (a)1.4700813288 AU ± 5.29e-04
Inclination (i)33.85067551° ± 8.73e-03
Long. of Asc. Node (Ω)169.19692201° ± 5.70e-06
Arg. of Perihelion (ω)287.56637174° ± 1.14e-02
Mean Anomaly (M)327.35521530° ± 1.15e-02
Mean Motion (n)0.5529682979°/day ± 2.98e-04
Perihelion dist (q)0.78028747 AU ± 3.96e-04
Aphelion dist (Q)2.15987519 AU ± 8.26e-04
Orbital Period1.78242819 yr ± 9.62e-04
Physical Parameters
H (abs. magnitude)26.00
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.365″
Uncertainty2
Orbit TypeApollo
MOID0.009172 AU
Observations Used48
Oppositions1
Arc Total2026-2026
First Observation Used2026-03-10
Last Observation Used2026-03-15
Observations (48)
Date Type RA Dec Mag Band Observatory
2026-03-10 08:15:39 C 11 37 57.750 +14 03 37.26 V F52
2026-03-10 08:32:35 C 11 38 15.663 +14 31 06.87 V F52
2026-03-10 11:51:54 C 11 41 26.501 +19 23 30.91 V T05
2026-03-10 11:56:04 C 11 41 30.180 +19 29 00.06 V T05
2026-03-10 12:03:24 C 11 41 36.730 +19 38 42.40 V T05
2026-03-10 12:17:47 C 11 41 49.476 +19 57 31.32 V T05
2026-03-11 01:07:18 C 11 52 35.59 +32 02 05.6 V K88
2026-03-11 01:08:23 C 11 52 36.22 +32 02 49.1 V K88
2026-03-11 01:11:37 C 11 52 38.07 +32 04 58.1 V K88
2026-03-11 01:14:51 C 11 52 39.97 +32 07 06.2 V K88
2026-03-11 01:15:56 C 11 52 40.59 +32 07 49.6 V K88
2026-03-11 01:36:21 C 11 52 52.45 +32 21 23.5 V K88
2026-03-11 01:40:53 C 11 52 55.07 +32 24 21.4 V K88
2026-03-11 01:45:24 C 11 52 57.68 +32 27 18.0 V K88
2026-03-11 01:51:25 C 11 53 00.713 +32 31 09.37 Z M38
2026-03-11 02:01:05 C 11 53 06.324 +32 37 24.06 Z M38
2026-03-11 02:15:10 C 11 53 14.90 +32 46 27.3 V K88
2026-03-11 02:19:12 C 11 53 17.29 +32 49 00.9 V K88
2026-03-11 02:23:14 C 11 53 19.57 +32 51 34.5 V K88
2026-03-11 02:28:17 C 11 53 22.55 +32 54 45.7 V K88
2026-03-11 02:46:08 C 11 53 32.89 +33 05 54.2 V K88
2026-03-11 02:50:39 C 11 53 35.47 +33 08 42.8 V K88
2026-03-11 02:55:10 C 11 53 38.11 +33 11 29.7 V K88
2026-03-11 02:59:15 C 11 53 40.45 +33 14 00.1 V K88
2026-03-11 03:07:46 C 11 53 45.42 +33 19 12.9 V K88
2026-03-11 03:07:53 C 11 54 19.121 +33 20 38.29 W W27
2026-03-11 03:09:54 C 11 54 20.193 +33 21 54.72 W W27
2026-03-11 03:10:17 C 11 53 46.87 +33 20 44.7 V K88
2026-03-11 03:11:55 C 11 54 21.275 +33 23 11.02 W W27
2026-03-11 03:12:48 C 11 53 48.32 +33 22 16.2 V K88
2026-03-11 03:45:01 C 11 54 06.14 +33 41 31.4 Z L04
2026-03-11 03:47:02 C 11 54 07.28 +33 42 43.0 Z L04
2026-03-11 04:48:48 C 11 55 17.09 +34 21 15.3 V H21
2026-03-11 04:51:05 C 11 55 18.21 +34 22 34.9 V H21
2026-03-11 04:56:38 C 11 55 20.98 +34 25 47.0 V H21
2026-03-11 05:22:43 C 11 55 45.797 +34 40 22.80 W 673
2026-03-11 05:24:05 C 11 55 46.447 +34 41 08.74 W 673
2026-03-11 12:04:04 B 11 59 20.348 +37 56 11.62 X Q06
2026-03-11 12:16:15 B 11 59 25.444 +38 01 29.25 X Q06
2026-03-11 12:28:26 B 11 59 30.491 +38 06 44.74 X Q06
2026-03-12 20:57:58 C 12 10 15.62 +46 25 11.8 V K88
2026-03-12 21:03:44 C 12 10 16.72 +46 26 07.1 V K88
2026-03-13 04:36:22 C 12 11 59.777 +47 30 18.22 V I52
2026-03-13 04:43:02 C 12 12 00.803 +47 31 13.08 V I52
2026-03-13 04:49:42 C 12 12 01.829 +47 32 06.68 V I52
2026-03-13 04:56:22 C 12 12 02.866 +47 33 00.68 V I52
2026-03-15 03:28:02 C 12 18 33.56 +51 24 38.8 V H21
2026-03-15 03:32:04 C 12 18 33.92 +51 24 52.3 V H21