297300 (1998 SC15)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4144877459 ± 1.07e-08
Semi-major axis (a)1.2729533676 AU ± 6.34e-10
Inclination (i)16.08208693° ± 3.54e-06
Long. of Asc. Node (Ω)198.66904007° ± 3.76e-06
Arg. of Perihelion (ω)277.50880644° ± 3.99e-06
Mean Anomaly (M)252.07551693° ± 2.85e-06
Mean Motion (n)0.6862676619°/day ± 5.13e-10
Perihelion dist (q)0.74532980 AU ± 1.36e-08
Aphelion dist (Q)1.80057694 AU ± 1.36e-08
Orbital Period1.43621263 yr ± 1.07e-09
Physical Parameters
H (abs. magnitude)19.29
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.332″
Uncertainty0
Orbit TypeApollo
MOID0.000908 AU
Observations Used530
Radar Obs Used2
Oppositions4
Arc Total1998-2024
First Observation Used1998-09-23
Last Observation Used2024-08-17
Observations (594)
Date Type RA Dec Mag Band Observatory
2019-04-30 23:03:05 S 10 47 53.06 +28 29 23.0 L C51
2019-05-01 00:37:20 S 10 48 31.30 +28 28 49.0 L C51
2019-05-01 02:11:35 S 10 49 09.39 +28 28 14.9 L C51
2019-05-01 05:19:54 S 10 50 24.991 +28 27 05.98 L C51
2019-05-01 08:28:24 S 10 51 39.943 +28 25 53.69 L C51
2019-05-01 11:36:43 S 10 52 54.214 +28 24 39.67 L C51
2019-05-01 11:36:54 S 10 52 54.269 +28 24 39.10 L C51
2019-05-01 16:25:40 C 10 54 46.26 +28 22 47.7 q C97
2019-05-01 16:27:52 C 10 54 47.25 +28 22 46.7 q C97
2019-05-01 16:30:03 C 10 54 48.13 +28 22 45.7 q C97
2019-05-01 16:32:14 C 10 54 48.95 +28 22 44.7 q C97
2019-05-02 08:21:27 C 11 00 47.10 +28 15 40.0 V T08
2019-05-02 08:35:03 C 11 00 52.00 +28 15 32.5 V T08
2019-05-02 08:49:48 C 11 00 57.22 +28 15 24.8 V T08
2019-05-02 09:06:12 C 11 01 03.17 +28 15 16.2 V T08
2019-05-03 06:00:12 C 11 08 33.71 +28 04 25.0 V 703
2019-05-03 06:07:46 C 11 08 36.27 +28 04 21.3 V 703
2019-05-03 06:15:20 C 11 08 38.86 +28 04 16.4 V 703
2019-05-03 06:22:53 C 11 08 41.36 +28 04 12.6 V 703
2019-05-04 08:47:12 C 11 17 33.80 +27 49 07.5 V T05
2019-05-04 09:00:13 C 11 17 37.86 +27 48 58.8 V T05
2019-05-04 09:13:22 C 11 17 41.97 +27 48 50.9 V T05
2019-05-04 09:23:51 C 11 17 45.25 +27 48 43.5 V T05
2019-05-04 09:24:30 C 11 17 45.46 +27 48 44.0 V T05
2019-05-04 09:26:29 C 11 17 46.12 +27 48 41.9 V T05
2019-05-04 09:32:28 C 11 17 48.04 +27 48 39.9 V T05
2019-05-06 08:32:23 C 11 32 04.08 +27 18 00.0 V T08
2019-05-06 08:45:33 C 11 32 07.71 +27 17 50.4 V T08
2019-05-06 09:06:59 C 11 32 13.61 +27 17 34.9 V T08
2019-05-06 09:14:17 C 11 32 15.59 +27 17 30.2 V T08
2019-05-08 08:39:47 C 11 44 56.69 +26 43 28.3 V T05
2019-05-08 08:43:02 C 11 44 57.45 +26 43 26.8 V T05
2019-05-08 08:50:34 C 11 44 59.30 +26 43 20.7 V T05
2019-05-08 09:14:55 C 11 45 05.20 +26 43 01.7 V T05
2019-05-09 02:34:39 C 11 49 21.39 +26 29 54.5 q I15
2019-05-09 02:37:49 C 11 49 22.10 +26 29 52.3 q I15
2019-05-09 02:42:33 C 11 49 23.19 +26 29 48.1 q I15
2019-05-10 07:29:14 C 11 56 04.42 +26 08 07.5 V T08
2019-05-10 07:39:04 C 11 56 06.42 +26 07 58.9 V T08
2019-05-10 07:43:07 C 11 56 07.38 +26 07 56.8 V T08
2019-05-10 08:00:53 C 11 56 11.16 +26 07 42.7 V T08
2019-05-12 08:26:04 C 12 06 26.18 +25 30 05.7 V T05
2019-05-12 08:30:07 C 12 06 26.93 +25 30 02.1 V T05
2019-05-12 08:48:19 C 12 06 30.44 +25 29 47.6 V T05
2019-05-12 09:03:52 C 12 06 33.41 +25 29 34.7 V T05
2019-05-21 05:56:04 C 12 41 09.73 +22 42 31.8 V T05
2019-05-21 05:58:24 C 12 41 09.94 +22 42 28.9 V T05
2019-05-21 05:58:30 C 12 41 10.00 +22 42 31.2 V T08
2019-05-21 06:05:14 C 12 41 10.71 +22 42 24.1 V T05
2019-05-21 06:05:53 C 12 41 10.89 +22 42 24.2 V T05
Radar Observations (3)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2011-10-12 07:30:00 122033.7481 0.3 Hz 2380 -1 -1
2011-10-12 08:24:00 135746785.83 0.5 us 2380 -1 -1
2011-10-12 08:24:00 119882.9307 0.1 Hz 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)