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
2019-06-29 08:40:24 C 14 03 24.690 +11 28 16.84 U F52
2019-06-29 08:41:20 C 14 03 24.754 +11 28 16.29 U F52
2019-07-05 07:39:02 C 14 13 17.874 +09 53 59.39 U F51
2019-07-05 07:56:47 C 14 13 19.044 +09 53 47.72 U F51
2019-07-05 08:14:35 C 14 13 20.225 +09 53 35.99 U F51
2021-06-21 13:14:01 C 23 13 48.982 +15 15 55.85 U F51
2021-06-21 13:31:51 C 23 13 49.817 +15 16 05.88 U F51
2021-06-21 13:49:37 C 23 13 50.663 +15 16 16.17 U F51
2021-06-21 14:07:26 C 23 13 51.518 +15 16 26.54 U F51
2021-08-14 13:47:38 C 23 48 50.825 +25 25 42.99 U F51
2021-08-14 14:25:05 C 23 48 50.386 +25 25 51.76 U F51
2021-08-14 14:43:49 C 23 48 50.172 +25 25 55.93 U F51
2021-08-21 10:12:27 C 23 46 23.160 +25 54 30.11 U F52
2021-08-21 10:28:13 C 23 46 22.759 +25 54 31.81 U F52
2021-08-21 10:43:59 C 23 46 22.326 +25 54 33.83 U F52
2021-08-21 10:59:50 C 23 46 21.909 +25 54 35.54 U F52
2021-08-31 10:54:01 C 23 38 02.84 +25 44 59.0 V T08
2021-08-31 11:32:12 C 23 38 00.79 +25 44 50.3 V T08
2021-08-31 11:37:31 C 23 38 00.50 +25 44 50.4 V T08
2021-08-31 12:12:07 C 23 37 58.68 +25 44 42.5 V T08
2021-09-05 08:09:47 C 23 31 42.261 +25 08 46.82 U F52
2021-09-05 08:26:28 C 23 31 41.176 +25 08 40.25 U F52
2021-09-05 08:43:14 C 23 31 40.072 +25 08 33.50 U F52
2021-09-05 09:00:02 C 23 31 38.969 +25 08 26.76 U F52
2021-09-06 08:33:37 C 23 30 09.99 +24 57 55.8 V G96
2021-09-06 08:46:18 C 23 30 09.06 +24 57 49.2 V G96
2021-09-06 08:54:32 C 23 30 08.56 +24 57 45.9 V G96
2021-09-06 09:02:47 C 23 30 07.98 +24 57 42.2 V G96
2021-09-08 07:34:57 C 23 27 03.23 +24 33 30.9 U I41
2021-09-08 08:27:25 C 23 26 59.31 +24 33 01.1 U I41
2021-09-08 08:28:47 C 23 26 59.21 +24 33 00.3 U I41
2021-09-08 08:59:09 C 23 26 56.96 +24 32 42.7 U I41
2021-09-08 09:43:05 C 23 26 53.70 +24 32 17.1 U I41
2021-09-08 11:34:14 C 23 26 46.17 +24 31 18.2 V T08
2021-09-08 12:08:24 C 23 26 43.57 +24 30 58.2 V T08
2021-09-08 12:12:34 C 23 26 43.28 +24 30 55.3 V T08
2021-09-08 12:21:19 C 23 26 42.61 +24 30 50.2 V T08
2021-09-10 09:04:06 C 23 23 30.60 +24 02 28.6 V T05
2021-09-10 09:15:05 C 23 23 29.76 +24 02 21.2 V T05
2021-09-10 09:19:02 C 23 23 29.47 +24 02 17.9 V T05
2021-09-10 09:27:09 C 23 23 28.80 +24 02 12.7 V T05
2021-09-11 08:47:33 C 23 21 42.932 +23 45 27.90 U F51
2021-09-11 09:03:48 C 23 21 41.585 +23 45 15.97 U F51
2021-09-12 06:27:38 C 23 20 01.20 +23 28 36.9 U I41
2021-09-12 08:23:13 C 23 19 51.37 +23 27 04.1 U I41
2021-09-12 09:28:16 C 23 19 45.85 +23 26 10.8 U I41
2021-09-12 09:29:38 C 23 19 45.73 +23 26 09.8 U I41
2021-09-12 09:29:51 C 23 19 46.62 +23 26 15.2 V T08
2021-09-12 10:06:41 C 23 19 43.43 +23 25 45.8 V T08
2021-09-12 10:43:07 C 23 19 40.30 +23 25 16.1 V T08
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)