2009 SZ99

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2145073226 ± 1.01e-07
Semi-major axis (a)0.8147929316 AU ± 5.90e-10
Inclination (i)21.32884237° ± 2.56e-05
Long. of Asc. Node (Ω)338.02719251° ± 2.36e-05
Arg. of Perihelion (ω)147.56070170° ± 3.10e-05
Mean Anomaly (M)239.48203694° ± 5.67e-05
Mean Motion (n)1.3401129284°/day ± 1.46e-09
Perihelion dist (q)0.64001388 AU ± 8.26e-08
Aphelion dist (Q)0.98957198 AU ± 8.26e-08
Orbital Period0.73548002 yr ± 7.99e-10
Physical Parameters
H (abs. magnitude)19.32
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.247″
Uncertainty0
Orbit TypeAten
MOID0.059044 AU
Observations Used62
Oppositions5
Arc Total2009-2023
First Observation Used2009-09-22
Last Observation Used2023-08-14
Observations (63)
Date Type RA Dec Mag Band Observatory
2009-09-22 02:32:00 C 15 20 11.36 +13 16 28.1 r G96
2009-09-22 02:36:48 C 15 20 11.58 +13 16 42.6 r G96
2009-09-22 02:39:13 C 15 20 11.72 +13 16 49.8 r G96
2009-09-22 02:40:35 C 15 20 11.80 +13 16 55.0 r 703
2009-09-22 02:47:19 C 15 20 12.04 +13 17 14.4 r G96
2009-09-22 02:48:49 C 15 20 12.12 +13 17 19.2 r G96
2009-09-22 02:50:21 C 15 20 12.19 +13 17 23.5 r G96
2009-09-22 02:51:50 C 15 20 12.22 +13 17 28.2 r G96
2009-09-24 02:53:08 C 15 22 20.85 +15 37 01.1 o 291
2009-09-24 02:58:40 C 15 22 21.00 +15 37 15.7 o 291
2009-09-24 03:04:11 C 15 22 21.21 +15 37 30.0 o 291
2009-09-25 02:25:56 C 15 23 10.78 +16 39 53.2 r G96
2009-09-25 02:27:04 C 15 23 10.82 +16 39 56.6 r G96
2009-09-25 02:27:53 C 15 23 10.86 +16 39 58.3 r G96
2009-09-25 02:28:52 C 15 23 10.89 +16 40 00.9 r G96
2009-09-25 02:30:59 C 15 23 10.94 +16 40 06.8 r G96
2009-09-25 02:32:28 C 15 23 10.98 +16 40 10.1 r G96
2009-09-25 02:34:01 C 15 23 11.01 +16 40 14.3 r G96
2009-09-25 02:35:19 C 15 23 11.04 +16 40 17.5 r G96
2009-09-26 19:25:03 C 15 24 18.52 +18 21 01.3 r J95
2009-09-26 19:47:21 C 15 24 18.87 +18 21 52.8 r J95
2009-09-27 02:45:10 C 15 24 27.39 +18 38 20.3 o 291
2009-09-27 02:54:56 C 15 24 27.55 +18 38 42.1 o 291
2009-09-27 03:02:15 C 15 24 27.65 +18 38 58.4 o 291
2009-10-09 02:24:20 C 15 22 06.80 +26 24 08.7 o 291
2009-10-09 02:30:27 C 15 22 06.56 +26 24 14.1 o 291
2009-10-09 02:36:19 C 15 22 06.37 +26 24 19.8 o 291
2009-10-10 01:59:01 C 15 21 17.95 +26 47 03.7 o 291
2009-10-10 02:06:22 C 15 21 17.67 +26 47 10.3 o 291
2009-10-10 02:12:33 C 15 21 17.43 +26 47 15.7 o 291
2015-07-21 14:37:59 C 03 17 30.102 +15 05 00.83 t 568
2015-07-21 14:41:19 C 03 17 30.624 +15 05 07.66 t 568
2015-07-21 14:43:40 C 03 17 30.971 +15 05 12.35 t 568
2015-07-22 14:38:25 C 03 21 17.101 +15 53 38.43 t 568
2015-07-22 14:40:25 C 03 21 17.410 +15 53 42.56 t 568
2015-07-22 14:42:35 C 03 21 17.751 +15 53 46.99 t 568
2015-07-24 14:17:33 C 03 29 01.003 +17 30 30.01 L F51
2015-07-24 14:23:59 C 03 29 02.086 +17 30 43.80 L F51
2015-07-24 14:30:43 C 03 29 03.159 +17 30 57.12 L F51
2015-07-24 14:37:17 C 03 29 04.233 +17 31 10.57 L F51
2015-07-26 13:57:33 C 03 37 03.807 +19 07 37.40 L F51
2015-07-26 14:12:45 C 03 37 06.349 +19 08 08.25 L F51
2015-07-26 14:20:19 C 03 37 07.656 +19 08 23.98 L F51
2020-09-29 02:13:25 C 16 48 25.58 -11 19 47.4 V G96
2020-09-29 02:27:04 C 16 48 26.83 -11 19 16.2 V G96
2020-09-29 02:33:56 C 16 48 27.46 -11 19 01.0 V G96
2020-10-22 01:49:37 C 17 16 59.55 +07 04 07.4 V G96
2020-10-22 01:58:01 C 17 16 59.59 +07 04 21.6 V G96
2023-08-04 09:10:09 C 05 00 14.890 -33 05 51.94 V W68
2023-08-04 09:14:44 C 05 00 15.454 -33 05 44.99 V W68