2025 ER1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2694815137 ± 1.31e-04
Semi-major axis (a)0.9899555184 AU ± 3.57e-05
Inclination (i)9.55689543° ± 5.77e-03
Long. of Asc. Node (Ω)351.81149720° ± 1.60e-04
Arg. of Perihelion (ω)59.29772787° ± 3.22e-04
Mean Anomaly (M)345.37173327° ± 2.96e-02
Mean Motion (n)1.0006651035°/day ± 5.42e-05
Perihelion dist (q)0.72318081 AU ± 1.32e-04
Aphelion dist (Q)1.25673023 AU ± 1.37e-04
Orbital Period0.98497118 yr ± 5.33e-05
Physical Parameters
H (abs. magnitude)25.04
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.375″
Uncertainty2
Orbit TypeAten
MOID0.036867 AU
Observations Used78
Oppositions1
Arc Total2025-2025
First Observation Used2025-03-01
Last Observation Used2025-03-25
Observations (79)
Date Type RA Dec Mag Band Observatory
2025-03-07 11:43:48 C 12 46 20.438 +08 25 43.32 V U52
2025-03-08 11:26:15 C 12 31 09.125 +06 45 55.51 V U52
2025-03-08 11:32:52 C 12 31 04.841 +06 45 27.29 V U52
2025-03-08 11:39:27 C 12 31 00.638 +06 45 00.07 V U52
2025-03-09 05:46:13 C 12 20 25.88 +05 33 31.0 V H21
2025-03-09 05:50:18 C 12 20 23.43 +05 33 15.3 V H21
2025-03-09 05:54:24 C 12 20 20.97 +05 32 59.7 V H21
2025-03-09 05:58:30 C 12 20 18.50 +05 32 44.6 V H21
2025-03-09 06:02:59 C 12 20 15.81 +05 32 27.5 V H21
2025-03-09 08:28:35 C 12 18 51.894 +05 23 28.18 V V00
2025-03-09 08:36:42 C 12 18 47.012 +05 22 56.93 V V00
2025-03-09 08:44:47 C 12 18 42.142 +05 22 26.29 V V00
2025-03-09 08:52:51 C 12 18 37.408 +05 21 55.62 V V00
2025-03-09 19:46:28 B 12 12 44.20 +04 40 50.9 X M45
2025-03-09 19:56:34 B 12 12 38.59 +04 40 14.2 X M45
2025-03-10 05:28:08 C 12 07 35.23 +04 06 20.2 V H21
2025-03-10 05:30:58 C 12 07 33.69 +04 06 10.2 V H21
2025-03-10 05:33:48 C 12 07 32.14 +04 06 00.2 V H21
2025-03-10 05:36:37 C 12 07 30.59 +04 05 50.5 V H21
2025-03-10 05:39:44 C 12 07 28.91 +04 05 39.6 V H21
2025-03-19 07:24:16 C 10 54 13.100 -04 16 18.20 V 691
2025-03-19 07:37:50 C 10 54 10.040 -04 16 36.70 V 691
2025-03-19 07:51:25 C 10 54 06.940 -04 16 55.10 V 691
2025-03-25 01:13:18 C 10 32 41.680 -06 40 25.30 V 807
2025-03-25 01:21:25 C 10 32 40.600 -06 40 31.70 V 807
2025-03-25 01:29:34 C 10 32 39.530 -06 40 38.30 V 807
2025-03-25 03:34:22 C 10 32 25.690 -06 43 24.00 V 691
2025-03-25 03:45:33 C 10 32 24.240 -06 43 34.70 V 691
2025-03-25 03:56:45 C 10 32 22.720 -06 43 42.60 V 691