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
2015-09-23 21:08:38 C 22 48 50.60 +10 26 38.0 q C77
2015-09-23 21:10:17 C 22 48 50.67 +10 25 56.5 q C23
2015-09-23 21:11:47 C 22 48 50.66 +10 25 56.9 q C23
2015-09-24 18:53:24 C 22 50 57.84 +09 08 12.1 q K61
2015-09-24 18:53:53 C 22 50 57.87 +09 08 10.0 q K61
2015-09-24 18:54:38 C 22 50 57.93 +09 08 07.1 q K61
2015-09-24 18:56:26 C 22 50 58.05 +09 08 00.1 q K61
2015-09-25 02:31:10 C 22 51 48.69 +08 35 51.2 u H21
2015-09-25 02:33:08 C 22 51 48.75 +08 35 42.3 u H21
2015-09-25 02:35:05 C 22 51 48.80 +08 35 33.4 u H21
2015-09-25 02:37:03 C 22 51 48.85 +08 35 24.5 u H21
2015-09-25 02:39:01 C 22 51 48.91 +08 35 15.4 u H21
2015-09-25 02:40:58 C 22 51 48.98 +08 35 06.6 u H21
2015-09-25 02:42:56 C 22 51 49.03 +08 34 57.6 u H21
2015-09-25 02:44:53 C 22 51 49.07 +08 34 49.1 u H21
2015-09-25 02:46:50 C 22 51 49.12 +08 34 40.0 u H21
2015-09-25 02:48:47 C 22 51 49.15 +08 34 30.9 u H21
2015-09-25 02:50:44 C 22 51 49.20 +08 34 22.4 u H21
2015-09-25 02:52:41 C 22 51 49.25 +08 34 12.9 u H21
2015-09-25 02:55:01 C 22 51 49.29 +08 34 02.6 u H21
2015-09-25 19:21:26 C 22 54 11.19 +07 16 17.0 q K91
2015-09-25 19:26:06 C 22 54 11.38 +07 15 49.0 q K91
2015-09-25 19:30:08 C 22 54 11.55 +07 15 25.1 q K91
2015-09-25 19:34:03 C 22 54 11.72 +07 15 01.5 q K91
2015-09-25 19:36:04 C 22 54 14.92 +07 02 35.3 q 970
2015-09-25 19:37:48 C 22 54 11.85 +07 14 39.4 q K91
2015-09-25 19:40:30 C 22 54 15.34 +07 02 08.4 q 970
2015-09-25 19:41:43 C 22 54 11.99 +07 14 15.9 q K91
2015-09-25 19:44:56 C 22 54 15.72 +07 01 41.5 q 970
2015-09-25 19:46:15 C 22 54 12.19 +07 13 48.6 q K91
2015-09-25 19:49:21 C 22 54 12.29 +07 13 30.1 q K91
2015-09-25 19:49:22 C 22 54 16.12 +07 01 14.4 q 970
2015-09-25 19:53:02 C 22 54 12.43 +07 13 07.4 q K91
2015-09-25 19:53:48 C 22 54 16.52 +07 00 47.3 q 970
2015-09-25 19:56:25 C 22 54 12.55 +07 12 47.2 q K91
2015-09-25 19:58:14 C 22 54 16.93 +07 00 20.5 q 970
2015-09-25 20:00:01 C 22 54 12.67 +07 12 25.6 q K91
2015-09-25 20:02:39 C 22 54 17.30 +06 59 53.7 q 970
2015-09-25 20:03:49 C 22 54 12.80 +07 12 02.5 q K91
2015-09-25 20:07:05 C 22 54 17.63 +06 59 26.5 q 970
2015-09-25 20:20:56 C 22 54 18.83 +06 58 00.8 q 970
2015-09-25 20:25:22 C 22 54 19.17 +06 57 33.7 q 970
2015-09-25 20:29:15 C 22 54 19.49 +06 57 09.1 q 970
2015-09-25 20:33:41 C 22 54 19.80 +06 56 42.0 q 970
2015-09-25 20:38:07 C 22 54 20.16 +06 56 13.9 q 970
2015-09-25 20:43:39 C 22 54 20.61 +06 55 40.0 q 970
2015-09-25 20:50:42 C 22 54 21.90 +06 54 57.1 q J95
2015-09-25 20:51:48 C 22 54 18.95 +06 55 35.4 q 203
2015-09-25 20:54:08 C 22 54 14.33 +07 06 54.0 q K92
2015-09-25 20:58:57 C 22 54 22.53 +06 54 05.5 q J95
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)