2013 NH4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6563663537 ± 2.00e+00
Semi-major axis (a)2.6015148954 AU ± 3.00e+00
Inclination (i)4.30654349° ± 4.00e+00
Long. of Asc. Node (Ω)95.62413240° ± 5.00e+00
Arg. of Perihelion (ω)236.41077638° ± 6.00e+00
Mean Anomaly (M)331.83702012° ± 1.58e-01
Mean Motion (n)0.2348886900°/day ± 4.06e-01
Perihelion dist (q)0.89396820 AU ± 5.30e+00
Aphelion dist (Q)4.30908160 AU ± 7.19e+00
Orbital Period4.19606280 yr ± 7.26e+00
Physical Parameters
H (abs. magnitude)25.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.153″
Uncertainty3
Orbit TypeApollo
MOID0.013267 AU
Observations Used19
Oppositions1
Arc Total2013-2013
First Observation Used
Last Observation Used2013-07-05
Observations (21)
Date Type RA Dec Mag Band Observatory
2013-07-01 07:31:36 C 16 08 49.498 -20 16 00.62 L F51
2013-07-01 07:50:51 C 16 08 38.935 -20 17 19.45 L F51
2013-07-01 08:10:05 C 16 08 28.353 -20 18 37.81 L F51
2013-07-01 08:29:17 C 16 08 17.691 -20 19 56.27 L F51
2013-07-02 09:42:46 C 15 52 33.881 -22 26 48.62 t 568
2013-07-02 10:31:32 C 15 51 52.328 -22 31 36.51 t 568
2013-07-02 10:38:00 C 15 51 46.812 -22 32 14.63 t 568
2013-07-02 10:42:31 C 15 51 42.932 -22 32 41.48 t 568
2013-07-04 06:01:41 C 14 50 57.175 -29 23 40.84 t 568
2013-07-04 06:03:08 C 14 50 53.384 -29 24 00.85 t 568
2013-07-04 06:04:58 C 14 50 48.626 -29 24 25.90 t 568
2013-07-04 06:16:40 C 14 50 18.087 -29 27 06.12 t 568
2013-07-04 06:19:34 C 14 50 10.506 -29 27 45.78 t 568
2013-07-05 08:39:42 C 13 05 08.42 -35 41 49.7 c Q62
2013-07-05 08:40:59 C 13 05 00.48 -35 42 03.5 c Q62
2013-07-05 08:42:16 C 13 04 52.54 -35 42 17.3 c Q62
2013-07-05 08:43:33 C 13 04 44.55 -35 42 31.1 c Q62
2013-07-05 10:15:06 C 12 55 01.37 -35 57 19.2 q E12
2013-07-05 10:17:33 C 12 54 45.35 -35 57 40.0 q E12
2013-07-05 10:20:12 C 12 54 28.18 -35 58 02.9 q E12
2013-07-05 10:22:51 C 12 54 10.88 -35 58 25.1 q E12