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
2019-05-21 06:06:16 C 12 41 11.08 +22 42 24.7 V T08
2019-05-21 06:07:23 C 12 41 11.11 +22 42 22.7 V T05
2019-05-21 06:26:35 C 12 41 13.42 +22 42 07.3 V T05
2019-05-21 06:27:36 C 12 41 13.62 +22 42 07.6 V T08
2019-05-21 06:31:03 C 12 41 14.05 +22 42 04.3 V T05
2019-05-21 06:31:42 C 12 41 14.13 +22 42 04.2 V T05
2019-05-21 06:32:36 C 12 41 14.28 +22 42 03.8 V T08
2019-05-21 06:33:41 C 12 41 14.36 +22 42 02.7 V T05
2019-05-21 06:35:00 C 12 41 14.53 +22 42 00.6 V T05
2019-05-21 06:35:59 C 12 41 14.68 +22 42 01.5 V T08
2019-05-21 06:52:18 C 12 41 16.75 +22 41 48.0 V T05
2019-05-21 06:53:07 C 12 41 16.77 +22 41 48.0 V T08
2019-05-24 06:12:24 C 12 50 14.40 +21 46 43.6 V 703
2019-05-24 06:19:55 C 12 50 15.30 +21 46 38.2 V 703
2019-05-24 06:27:26 C 12 50 16.25 +21 46 31.4 V 703
2019-05-24 06:34:56 C 12 50 17.07 +21 46 27.0 V 703
2019-05-24 08:10:53 C 12 50 28.91 +21 45 17.9 V T05
2019-05-24 08:37:54 C 12 50 31.95 +21 44 56.4 V T05
2019-05-24 08:42:32 C 12 50 32.49 +21 44 53.7 V T05
2019-05-24 08:54:53 C 12 50 33.84 +21 44 43.5 V T05
2019-05-25 04:04:27 C 12 52 49.53 +21 30 01.0 U I41
2019-05-25 04:33:30 C 12 52 52.73 +21 29 38.9 U I41
2019-05-25 04:34:47 C 12 52 52.87 +21 29 37.9 U I41
2019-05-25 07:49:30 C 12 53 14.41 +21 27 07.4 U I41
2019-05-25 07:50:55 C 12 53 14.55 +21 27 06.1 U I41
2019-05-29 08:34:48 C 13 03 44.343 +20 14 07.14 U F51
2019-05-29 08:52:46 C 13 03 46.092 +20 13 53.47 U F51
2019-05-29 09:10:45 C 13 03 47.845 +20 13 39.80 U F51
2019-05-29 09:28:42 C 13 03 49.598 +20 13 26.06 U F51
2019-05-30 05:18:47 C 13 05 50.36 +19 58 33.2 V G96
2019-05-30 05:26:54 C 13 05 51.12 +19 58 27.1 V G96
2019-05-30 05:35:00 C 13 05 51.91 +19 58 21.1 V G96
2019-05-30 05:43:09 C 13 05 52.68 +19 58 14.8 V G96
2019-05-31 05:20:00 C 13 08 12.80 +19 40 39.4 V G96
2019-05-31 05:28:10 C 13 08 13.58 +19 40 33.3 V G96
2019-05-31 05:36:19 C 13 08 14.34 +19 40 27.3 V G96
2019-05-31 05:44:27 C 13 08 15.09 +19 40 21.2 V G96
2019-05-31 05:57:46 C 13 08 16.32 +19 40 10.4 V 703
2019-05-31 06:14:13 C 13 08 17.89 +19 39 59.4 V 703
2019-05-31 06:22:28 C 13 08 18.60 +19 39 51.8 V 703
2019-06-27 04:58:03 C 13 59 47.94 +12 02 52.0 V G96
2019-06-27 05:06:09 C 13 59 48.48 +12 02 46.6 V G96
2019-06-27 05:14:15 C 13 59 49.00 +12 02 41.4 V G96
2019-06-27 05:22:20 C 13 59 49.53 +12 02 34.4 V G96
2019-06-29 07:52:25 C 14 03 21.483 +11 28 48.92 U F52
2019-06-29 07:53:20 C 14 03 21.525 +11 28 48.61 U F52
2019-06-29 08:08:27 C 14 03 22.534 +11 28 38.41 U F52
2019-06-29 08:09:23 C 14 03 22.605 +11 28 37.60 U F52
2019-06-29 08:24:25 C 14 03 23.613 +11 28 27.68 U F52
2019-06-29 08:25:21 C 14 03 23.672 +11 28 27.09 U F52
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)