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
2019-04-19 21:40:30 C 08 16 32.81 +24 49 07.8 V C95
2019-04-19 21:40:56 C 08 16 33.49 +24 49 03.4 V Z80
2019-04-19 21:47:31 C 08 16 38.05 +24 49 20.4 V Z80
2019-04-19 21:51:24 C 08 16 40.24 +24 49 34.6 V C95
2019-04-19 21:54:10 C 08 16 42.77 +24 49 37.2 V Z80
2019-04-19 22:03:26 C 08 16 48.62 +24 50 05.3 V C95
2019-04-19 22:15:04 C 08 16 56.65 +24 50 34.2 V C95
2019-04-22 07:27:26 C 08 56 15.78 +26 52 57.9 V T05
2019-04-22 07:38:05 C 08 56 22.71 +26 53 15.1 V T05
2019-04-22 07:51:25 C 08 56 31.38 +26 53 36.6 V T05
2019-04-22 08:04:35 C 08 56 39.94 +26 53 57.8 V T05
2019-04-24 07:41:30 C 09 27 04.36 +27 56 52.9 V T08
2019-04-24 07:53:44 C 09 27 11.66 +27 57 04.6 V T08
2019-04-24 08:07:14 C 09 27 19.68 +27 57 17.2 V T08
2019-04-24 08:20:30 C 09 27 27.63 +27 57 29.7 V T08
2019-04-24 16:59:36 C 09 32 42.54 +28 05 29.4 q C97
2019-04-24 17:01:47 C 09 32 43.86 +28 05 31.5 q C97
2019-04-24 17:03:59 C 09 32 45.13 +28 05 31.6 q C97
2019-04-25 05:36:45 C 09 40 08.96 +28 15 19.8 V 703
2019-04-25 05:44:26 C 09 40 13.31 +28 15 24.6 V 703
2019-04-25 05:52:05 C 09 40 17.66 +28 15 29.6 V 703
2019-04-25 05:59:46 C 09 40 22.05 +28 15 34.4 V 703
2019-04-26 07:54:28 C 09 55 01.30 +28 30 35.4 V T05
2019-04-26 08:08:00 C 09 55 08.51 +28 30 40.9 V T05
2019-04-26 08:22:24 C 09 55 16.20 +28 30 46.0 V T05
2019-04-26 08:35:32 C 09 55 23.23 +28 30 50.8 V T05
2019-04-26 16:57:00 C 09 59 56.27 +28 34 04.5 q C97
2019-04-26 16:59:10 C 09 59 57.39 +28 34 05.1 q C97
2019-04-26 17:01:20 C 09 59 58.17 +28 34 06.3 q C97
2019-04-28 05:23:38 C 10 18 33.53 +28 40 37.5 V 703
2019-04-28 05:31:49 C 10 18 37.45 +28 40 37.4 V 703
2019-04-28 05:39:59 C 10 18 41.32 +28 40 37.5 V 703
2019-04-28 05:48:10 C 10 18 45.21 +28 40 36.8 V 703
2019-04-29 17:03:14 C 10 35 08.45 +28 37 44.8 q C97
2019-04-29 17:05:26 C 10 35 09.28 +28 37 43.3 q C97
2019-04-29 17:09:48 C 10 35 11.43 +28 37 42.2 q C97
2019-04-30 08:37:41 C 10 41 51.74 +28 34 00.6 V T05
2019-04-30 08:50:52 C 10 41 57.19 +28 33 56.4 V T05
2019-04-30 08:51:31 C 10 41 57.47 +28 33 55.7 V T05
2019-04-30 08:55:12 S 10 42 01.358 +28 33 49.61 L C51
2019-04-30 09:05:32 C 10 42 03.20 +28 33 51.5 V T05
2019-04-30 09:06:52 C 10 42 03.80 +28 33 51.5 V T05
2019-04-30 09:24:48 C 10 42 11.18 +28 33 45.4 V T05
2019-04-30 09:25:28 C 10 42 11.45 +28 33 44.8 V T05
2019-04-30 09:33:29 C 10 42 14.76 +28 33 42.1 V T05
2019-04-30 12:02:58 S 10 43 20.402 +28 32 56.94 L C51
2019-04-30 15:12:01 S 10 44 39.338 +28 31 57.61 L C51
2019-04-30 18:20:31 S 10 45 57.326 +28 30 57.46 L C51
2019-04-30 19:54:46 S 10 46 36.11 +28 30 25.5 L C51
2019-04-30 21:28:50 S 10 47 14.69 +28 29 54.2 L C51
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)