2017 ST17

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3267413531 ± 4.57e-04
Semi-major axis (a)1.2654300647 AU ± 6.43e-04
Inclination (i)9.81697546° ± 1.39e-02
Long. of Asc. Node (Ω)9.76329950° ± 9.74e-04
Arg. of Perihelion (ω)89.20328328° ± 5.00e-03
Mean Anomaly (M)204.18761772° ± 1.46e+00
Mean Motion (n)0.6923968024°/day ± 5.27e-04
Perihelion dist (q)0.85196173 AU ± 7.23e-04
Aphelion dist (Q)1.67889840 AU ± 1.03e-03
Orbital Period1.42349918 yr ± 1.08e-03
Physical Parameters
H (abs. magnitude)24.82
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.534″
Uncertainty4
Orbit TypeApollo
MOID0.058898 AU
Observations Used22
Oppositions1
Arc Total2017-2017
First Observation Used2017-09-26
Last Observation Used2017-10-21
Observations (22)
Date Type RA Dec Mag Band Observatory
2017-09-26 09:25:51 C 00 35 18.433 -04 27 37.72 L F51
2017-09-26 09:59:50 C 00 35 13.645 -04 26 59.09 L F51
2017-09-26 10:16:41 C 00 35 11.284 -04 26 39.80 L F51
2017-09-27 06:55:34 C 00 32 29.48 -04 02 31.2 u H21
2017-09-27 07:14:16 C 00 32 26.78 -04 02 08.5 u H21
2017-09-27 07:18:38 C 00 32 26.12 -04 02 02.8 u H21
2017-09-28 08:49:52 C 00 28 53.29 -03 29 28.4 q G96
2017-09-28 08:57:30 C 00 28 51.96 -03 29 16.9 q G96
2017-09-28 09:05:09 C 00 28 50.78 -03 29 07.3 q G96
2017-09-28 09:22:39 C 00 28 48.00 -03 28 43.6 q G96
2017-09-28 09:42:57 C 00 28 44.95 -03 28 19.6 q G96
2017-09-28 09:46:18 C 00 28 44.31 -03 28 13.1 q G96
2017-09-28 09:47:57 C 00 28 44.13 -03 28 10.1 q G96
2017-10-09 04:47:35 C 23 34 08.14 +05 21 13.3 o 926
2017-10-09 04:53:17 C 23 34 06.35 +05 21 29.7 o 926
2017-10-09 04:58:58 C 23 34 04.58 +05 21 46.5 o 926
2017-10-15 08:38:06 C 22 40 51.95 +13 58 05.7 o 291
2017-10-15 08:43:05 C 22 40 49.73 +13 58 25.5 o 291
2017-10-16 08:45:37 C 22 30 10.83 +15 36 27.9 o 291
2017-10-16 08:48:58 C 22 30 09.28 +15 36 41.0 o 291
2017-10-16 08:52:16 C 22 30 07.71 +15 36 54.5 o 291
2017-10-21 02:55:40 C 21 31 54.46 +23 39 25.5 V G96