2025 EM4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3064617928 ± 4.00e-04
Semi-major axis (a)1.4007136486 AU ± 7.95e-04
Inclination (i)8.89218851° ± 1.01e-02
Long. of Asc. Node (Ω)356.16601404° ± 3.38e-03
Arg. of Perihelion (ω)135.77754391° ± 1.72e-03
Mean Anomaly (M)173.25154370° ± 1.51e-01
Mean Motion (n)0.5945497974°/day ± 5.06e-04
Perihelion dist (q)0.97144843 AU ± 7.86e-04
Aphelion dist (Q)1.82997886 AU ± 1.18e-03
Orbital Period1.65776910 yr ± 1.41e-03
Physical Parameters
H (abs. magnitude)26.32
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.255″
Uncertainty3
Orbit TypeApollo
MOID0.032862 AU
Observations Used18
Oppositions1
Arc Total2025-2025
First Observation Used2025-03-09
Last Observation Used2025-03-23
Observations (18)
Date Type RA Dec Mag Band Observatory
2025-03-09 11:23:43 C 15 06 24.530 -04 33 12.20 V V00
2025-03-09 11:31:49 C 15 06 22.115 -04 34 09.41 V V00
2025-03-09 11:39:54 C 15 06 19.724 -04 35 05.78 V V00
2025-03-09 11:47:58 C 15 06 17.320 -04 36 01.94 V V00
2025-03-10 11:22:44 C 15 00 13.421 -07 16 31.19 V V00
2025-03-10 11:23:39 C 15 00 13.129 -07 16 38.06 V V00
2025-03-10 11:24:34 C 15 00 12.841 -07 16 43.82 V V00
2025-03-10 11:25:29 C 15 00 12.611 -07 16 49.08 V V00
2025-03-11 09:05:16 C 14 54 46.190 -09 33 51.00 V 807
2025-03-11 09:15:10 C 14 54 43.410 -09 34 53.00 V 807
2025-03-11 09:24:52 C 14 54 40.660 -09 35 53.30 V 807
2025-03-11 10:24:27 C 14 54 28.926 -09 44 28.63 W H01
2025-03-11 10:33:17 C 14 54 26.440 -09 45 23.99 W H01
2025-03-11 10:44:17 C 14 54 23.357 -09 46 32.30 W H01
2025-03-11 10:58:02 C 14 54 19.516 -09 47 57.71 W H01
2025-03-23 07:10:09 C 13 55 13.050 -29 13 42.00 V 807
2025-03-23 07:31:08 C 13 55 08.840 -29 14 31.60 V 807
2025-03-23 07:52:06 C 13 55 04.640 -29 15 20.40 V 807