2015 SZ2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2413583411 ± 1.34e-07
Semi-major axis (a)1.2007089432 AU ± 1.69e-07
Inclination (i)4.29395379° ± 2.55e-06
Long. of Asc. Node (Ω)184.06382963° ± 9.72e-07
Arg. of Perihelion (ω)240.51301663° ± 1.25e-05
Mean Anomaly (M)218.04574599° ± 5.89e-04
Mean Motion (n)0.7491273586°/day ± 1.58e-07
Perihelion dist (q)0.91090782 AU ± 2.06e-07
Aphelion dist (Q)1.49051006 AU ± 2.64e-07
Orbital Period1.31569922 yr ± 2.77e-07
Physical Parameters
H (abs. magnitude)25.40
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.353″
Uncertainty0
Orbit TypeApollo
MOID0.002691 AU
Observations Used227
Radar Obs Used4
Oppositions1
Arc Total2015-2015
First Observation Used2015-09-12
Last Observation Used2015-10-01
Observations (250)
Date Type RA Dec Mag Band Observatory
2015-09-12 07:13:15 C 22 43 03.485 +15 09 51.72 L F51
2015-09-12 07:31:16 C 22 43 02.915 +15 09 49.46 L F51
2015-09-12 07:49:12 C 22 43 02.326 +15 09 47.06 L F51
2015-09-12 08:07:11 C 22 43 01.700 +15 09 44.49 L F51
2015-09-12 14:46:38 C 22 42 59.44 +15 07 50.1 q D29
2015-09-12 15:05:23 C 22 42 58.77 +15 07 46.7 q D29
2015-09-12 15:24:08 C 22 42 58.13 +15 07 41.8 q D29
2015-09-18 03:56:57 C 22 43 50.02 +14 05 58.5 q 703
2015-09-18 04:04:09 C 22 43 49.84 +14 05 55.3 q 703
2015-09-18 04:11:21 C 22 43 49.53 +14 05 50.6 q 703
2015-09-18 04:18:33 C 22 43 49.37 +14 05 45.7 q 703
2015-09-23 06:57:08 C 22 47 40.74 +11 07 41.8 q 703
2015-09-23 07:04:21 C 22 47 40.60 +11 07 23.2 q 703
2015-09-23 07:11:33 C 22 47 40.44 +11 07 03.9 q 703
2015-09-23 07:18:46 C 22 47 40.27 +11 06 44.4 q 703
2015-09-23 08:14:02 C 22 47 35.01 +11 03 21.2 u H21
2015-09-23 08:16:55 C 22 47 35.05 +11 03 13.0 u H21
2015-09-23 08:19:50 C 22 47 35.10 +11 03 04.9 u H21
2015-09-23 08:25:38 C 22 47 35.21 +11 02 48.7 u H21
2015-09-23 08:28:31 C 22 47 35.29 +11 02 40.5 u H21
2015-09-23 08:31:33 C 22 47 35.35 +11 02 31.9 u H21
2015-09-23 09:46:12 C 22 47 39.43 +10 59 55.2 q 703
2015-09-23 09:48:47 C 22 47 39.50 +10 59 48.4 q 703
2015-09-23 09:51:22 C 22 47 39.56 +10 59 40.5 q 703
2015-09-23 09:53:57 C 22 47 39.57 +10 59 33.3 q 703
2015-09-23 09:56:32 C 22 47 39.48 +10 59 24.5 q 703
2015-09-23 20:08:11 C 22 48 47.44 +10 37 34.6 q K93
2015-09-23 20:10:55 C 22 48 47.40 +10 37 26.5 q K93
2015-09-23 20:13:35 C 22 48 47.36 +10 37 18.9 q K93
2015-09-23 20:16:18 C 22 48 47.32 +10 37 10.8 q K93
2015-09-23 20:18:58 C 22 48 47.28 +10 37 03.0 q K93
2015-09-23 20:21:44 C 22 48 47.24 +10 36 54.9 q K93
2015-09-23 20:24:30 C 22 48 47.19 +10 36 46.8 q K93
2015-09-23 20:32:04 C 22 48 39.31 +10 28 37.3 q B18
2015-09-23 20:37:20 C 22 48 39.29 +10 28 21.0 q B18
2015-09-23 20:40:30 C 22 48 39.28 +10 28 11.1 q B18
2015-09-23 20:43:40 C 22 48 39.26 +10 28 01.3 q B18
2015-09-23 20:46:33 C 22 48 50.39 +10 27 07.6 q C23
2015-09-23 20:49:09 C 22 48 50.38 +10 27 04.6 q C23
2015-09-23 20:52:22 C 22 48 50.40 +10 26 55.2 q C23
2015-09-23 20:53:02 C 22 48 50.46 +10 26 48.7 q C23
2015-09-23 20:53:17 C 22 48 50.57 +10 27 24.3 q C77
2015-09-23 20:55:37 C 22 48 50.48 +10 26 45.7 q C23
2015-09-23 20:58:24 C 22 48 50.56 +10 27 09.0 q C77
2015-09-23 20:58:50 C 22 48 50.50 +10 26 35.9 q C23
2015-09-23 21:02:05 C 22 48 50.50 +10 26 25.8 q C23
2015-09-23 21:02:45 C 22 48 50.56 +10 26 19.6 q C23
2015-09-23 21:03:31 C 22 48 50.55 +10 26 53.6 q C77
2015-09-23 21:05:19 C 22 48 50.55 +10 26 16.5 q C23
2015-09-23 21:08:34 C 22 48 50.61 +10 26 06.3 q C23
Radar Observations (4)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2015-09-25 04:11:00 92536.5442 2 Hz 2380 -1 -1
2015-09-29 07:00:00 251853.443 10 Hz 8560 -14 -14
2015-09-29 07:50:00 4842957.603 10 us 8560 -14 -14
2015-09-29 08:10:00 4809026.189 0.25 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)