2015 HR11

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1692646092 ± 1.09e-07
Semi-major axis (a)1.2140964409 AU ± 6.70e-09
Inclination (i)31.16122989° ± 2.20e-05
Long. of Asc. Node (Ω)210.68763473° ± 1.21e-05
Arg. of Perihelion (ω)198.05741529° ± 4.00e-05
Mean Anomaly (M)106.29794160° ± 3.21e-05
Mean Motion (n)0.7367709557°/day ± 6.10e-09
Perihelion dist (q)1.00859288 AU ± 1.33e-07
Aphelion dist (Q)1.41960000 AU ± 1.33e-07
Orbital Period1.33776485 yr ± 1.11e-08
Physical Parameters
H (abs. magnitude)20.91
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.324″
Uncertainty0
Orbit TypeApollo
MOID0.019659 AU
Observations Used71
Oppositions2
Arc Total2015-2023
First Observation Used2015-03-29
Last Observation Used2023-04-25
Observations (71)
Date Type RA Dec Mag Band Observatory
2018-09-28 10:24:06 C 06 58 22.38 +31 18 32.1 o 291
2018-09-28 10:36:40 C 06 58 24.27 +31 17 45.6 o 291
2018-09-28 10:49:18 C 06 58 26.16 +31 16 57.8 o 291
2018-10-10 11:28:01 C 07 39 35.43 +11 18 23.2 o 291
2018-10-10 11:32:53 C 07 39 36.03 +11 18 01.6 o 291
2018-10-10 11:37:50 C 07 39 36.63 +11 17 40.5 o 291
2019-04-09 06:08:59 C 10 14 47.282 -29 10 23.78 U F51
2019-04-09 06:23:52 C 10 14 47.783 -29 09 40.38 U F51
2019-04-09 06:38:47 C 10 14 48.332 -29 08 56.96 U F51
2022-09-15 09:45:45 C 05 45 18.126 +58 48 19.48 V G96
2022-09-15 09:53:22 C 05 45 19.800 +58 48 04.21 V G96
2022-09-15 10:00:59 C 05 45 21.521 +58 47 47.44 V G96
2022-09-15 10:08:36 C 05 45 23.368 +58 47 29.83 V G96
2023-04-09 03:47:22 C 09 39 10.16 -27 50 35.5 V 691
2023-04-09 03:59:23 C 09 39 10.96 -27 50 03.3 V 691
2023-04-10 03:56:42 C 09 40 49.75 -26 45 00.5 o 291
2023-04-10 04:06:38 C 09 40 50.39 -26 44 34.2 o 291
2023-04-25 05:58:52 C 10 08 08.775 -11 47 37.04 X F52
2023-04-25 06:16:18 C 10 08 10.101 -11 46 59.47 X F52
2023-04-25 06:33:48 C 10 08 11.440 -11 46 21.61 X F52
2023-04-25 06:51:18 C 10 08 12.766 -11 45 43.78 X F52