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
2021-10-06 06:23:13 C 22 22 49.804 +07 12 50.07 U F51
2021-10-07 08:04:33 C 22 20 07.08 +06 04 45.8 V T05
2021-10-07 08:19:07 C 22 20 05.44 +06 04 06.5 V T05
2021-10-07 08:23:46 C 22 20 04.92 +06 03 54.3 V T05
2021-10-07 08:32:26 C 22 20 03.94 +06 03 30.7 V T05
2021-10-08 14:47:30 C 22 16 56.82 +04 41 04.7 V N31
2021-10-08 15:50:29 C 22 16 49.90 +04 38 11.5 V N31
2021-10-08 17:53:41 C 22 16 37.75 +04 32 23.1 V K88
2021-10-08 17:56:33 C 22 16 37.47 +04 32 14.3 V K88
2021-10-08 17:59:25 C 22 16 37.11 +04 32 06.5 V K88
2021-10-09 04:13:12 C 22 15 33.68 +04 03 49.6 V G96
2021-10-09 04:23:33 C 22 15 32.53 +04 03 20.8 V G96
2021-10-09 04:31:44 C 22 15 31.63 +04 02 58.1 V G96
2021-10-09 04:39:54 C 22 15 30.73 +04 02 35.2 V G96
2021-10-09 08:28:03 C 22 15 07.03 +03 52 04.3 V T08
2021-10-09 08:35:23 C 22 15 06.12 +03 51 44.2 V T08
2021-10-09 08:41:23 C 22 15 05.52 +03 51 27.4 V T08
2021-10-09 09:23:36 C 22 15 00.83 +03 49 28.6 V T08
2021-10-10 03:42:04 C 22 13 10.85 +02 57 45.5 V 703
2021-10-10 03:50:25 C 22 13 09.90 +02 57 21.6 V 703
2021-10-10 03:58:45 C 22 13 09.02 +02 56 57.2 V 703
2021-10-10 04:07:05 C 22 13 08.14 +02 56 34.2 V 703
2021-10-10 19:45:36 C 22 11 34.00 +02 11 46.2 V K74
2021-10-10 19:48:57 C 22 11 33.67 +02 11 36.6 V K74
2021-10-10 19:52:19 C 22 11 33.29 +02 11 27.5 V K74
2021-10-10 19:55:38 C 22 11 32.93 +02 11 17.7 V K74
2021-10-10 19:58:27 C 22 11 32.66 +02 11 09.7 V K74
2021-10-11 08:27:30 C 22 10 17.45 +01 35 24.3 V T05
2021-10-11 08:32:46 C 22 10 16.87 +01 35 09.1 V T05
2021-10-11 09:01:12 C 22 10 13.81 +01 33 46.8 V T05
2021-10-14 01:54:30 C 22 03 59.32 -01 37 40.1 V 703
2021-10-14 02:03:47 C 22 03 58.38 -01 38 07.8 V 703
2021-10-14 02:13:03 C 22 03 57.42 -01 38 35.3 V 703
2021-10-14 02:22:19 C 22 03 56.51 -01 39 03.7 V 703
2021-10-14 06:54:03 C 22 03 30.17 -01 52 33.0 V T05
2021-10-14 06:58:17 C 22 03 29.71 -01 52 45.5 V T05
2021-10-14 07:42:43 C 22 03 25.16 -01 54 58.8 V T05
2021-10-14 07:53:55 C 22 03 24.00 -01 55 32.1 V T05
2021-10-14 19:34:45 C 22 02 19.17 -02 30 54.2 V G17
2021-10-14 19:39:56 C 22 02 18.67 -02 31 09.6 V G17
2021-10-14 19:45:06 C 22 02 18.13 -02 31 25.7 V G17
2021-10-16 18:39:58 C 21 58 02.16 -04 54 11.0 V G17
2021-10-16 18:50:21 C 21 58 01.19 -04 54 43.5 V G17
2021-10-16 19:00:42 C 21 58 00.09 -04 55 13.5 V G17
2021-10-24 16:48:59 S 21 42 33.502 -14 43 27.37 L C51
2021-10-24 19:57:07 S 21 42 19.668 -14 53 11.29 L C51
2021-10-25 00:39:19 S 21 41 59.004 -15 07 45.77 L C51
2021-10-25 02:48:25 C 21 41 49.90 -15 14 50.6 V 703
2021-10-25 02:56:48 C 21 41 49.23 -15 15 16.0 V 703
2021-10-25 03:05:12 C 21 41 48.53 -15 15 42.5 V 703
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)