2011 ER74

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2498081613 ± 2.00e+00
Semi-major axis (a)0.8395544326 AU ± 3.00e+00
Inclination (i)12.39823198° ± 4.00e+00
Long. of Asc. Node (Ω)169.26508276° ± 5.00e+00
Arg. of Perihelion (ω)165.05409551° ± 6.00e+00
Mean Anomaly (M)246.68220097° ± 6.60e-01
Mean Motion (n)1.2812401500°/day ± 6.87e+00
Perihelion dist (q)0.62982740 AU ± 2.81e+00
Aphelion dist (Q)1.04928220 AU ± 4.11e+00
Orbital Period0.76926070 yr ± 4.12e+00
Physical Parameters
H (abs. magnitude)24.20
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.280″
Uncertainty3
Orbit TypeAten
MOID0.039141 AU
Observations Used13
Oppositions1
Arc Total2011-2011
First Observation Used
Last Observation Used2011-03-15
Observations (13)
Date Type RA Dec Mag Band Observatory
2011-03-14 05:01:21 C 10 07 03.61 +25 48 11.3 r 703
2011-03-14 05:14:27 C 10 06 57.02 +25 51 03.9 r 703
2011-03-14 05:27:31 C 10 06 50.43 +25 53 55.7 r 703
2011-03-14 05:40:35 C 10 06 43.77 +25 56 47.5 r 703
2011-03-14 07:08:58 C 10 05 58.74 +26 16 00.4 r G96
2011-03-14 07:09:28 C 10 05 58.48 +26 16 07.0 r G96
2011-03-14 07:09:59 C 10 05 58.23 +26 16 13.3 r G96
2011-03-14 07:10:30 C 10 05 57.94 +26 16 20.1 r G96
2011-03-15 02:35:39 C 09 57 11.52 +30 23 39.6 r G96
2011-03-15 02:36:11 C 09 57 11.23 +30 23 45.9 r G96
2011-03-15 02:36:44 C 09 57 10.98 +30 23 53.2 r G96
2011-03-15 02:37:14 C 09 57 10.69 +30 23 59.4 r G96
2011-03-15 02:37:45 C 09 57 10.44 +30 24 06.1 r G96