2018 SP1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5965000404 ± 1.79e-07
Semi-major axis (a)1.7581363277 AU ± 2.03e-09
Inclination (i)3.69837740° ± 9.99e-06
Long. of Asc. Node (Ω)164.56290086° ± 5.48e-05
Arg. of Perihelion (ω)286.19758855° ± 7.66e-05
Mean Anomaly (M)359.29339723° ± 2.02e-06
Mean Motion (n)0.4227985163°/day ± 7.32e-10
Perihelion dist (q)0.70940794 AU ± 3.14e-07
Aphelion dist (Q)2.80686472 AU ± 3.14e-07
Orbital Period2.33119617 yr ± 4.04e-09
Physical Parameters
H (abs. magnitude)23.20
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.251″
Uncertainty0
Orbit TypeApollo
MOID0.002797 AU
Observations Used111
Oppositions4
Arc Total2018-2025
First Observation Used2018-09-12
Last Observation Used2025-10-01
Observations (119)
Date Type RA Dec Mag Band Observatory
2018-10-02 12:26:07 C 03 50 23.76 -19 30 26.5 U T05
2018-10-02 12:45:06 C 03 50 55.18 -19 33 28.3 U T05
2018-10-02 12:51:34 C 03 51 10.38 -19 30 55.5 V 474
2018-10-02 12:52:02 C 03 51 11.14 -19 31 00.0 V 474
2018-10-02 12:53:27 C 03 51 13.53 -19 31 13.5 V 474
2018-10-02 12:53:55 C 03 51 14.32 -19 31 18.1 V 474
2018-10-02 15:51:15 C 03 56 20.09 -20 00 17.0 m Q66
2018-10-02 15:53:15 C 03 56 23.48 -20 00 34.9 m Q66
2018-10-04 03:19:57 C 05 11 13.27 -25 31 14.2 V 204
2018-10-04 03:30:05 C 05 11 37.53 -25 32 35.9 V 204
2025-09-03 12:22:39 C 00 30 29.636 +02 29 48.14 V F51
2025-09-03 12:40:58 C 00 30 30.239 +02 29 44.15 V F51
2025-09-03 12:59:11 C 00 30 30.812 +02 29 40.00 V F51
2025-09-03 13:17:22 C 00 30 31.403 +02 29 35.74 V F51
2025-09-18 11:23:48 C 00 50 00.995 -00 52 44.67 X F51
2025-09-18 11:37:01 C 00 50 01.940 -00 52 59.86 X F51
2025-09-18 11:50:11 C 00 50 02.896 -00 53 15.00 X F51
2025-09-18 12:03:19 C 00 50 03.840 -00 53 30.03 X F51
2025-09-18 14:12:55 C 00 50 13.440 -00 55 59.37 V F51
2025-09-18 14:13:51 C 00 50 13.512 -00 56 00.44 V F51
2025-09-19 00:50:18 B 00 51 12.017 -01 08 57.77 W 204
2025-09-19 01:22:27 B 00 51 14.611 -01 09 36.65 W 204
2025-09-19 06:25:56 C 00 51 42.26 -01 14 55.3 V W94
2025-09-19 06:35:00 C 00 51 43.08 -01 15 06.4 V W94
2025-09-19 06:44:09 C 00 51 43.79 -01 15 18.3 V W94
2025-09-19 07:27:59 C 00 51 47.33 -01 16 13.2 q X10
2025-09-19 07:36:05 C 00 51 48.00 -01 16 23.6 q X10
2025-09-19 07:44:14 C 00 51 48.66 -01 16 33.9 q X10
2025-09-19 08:19:30 B 00 51 53.150 -01 18 13.25 X 734
2025-09-19 08:30:53 B 00 51 54.019 -01 18 27.76 X 734
2025-09-19 08:41:47 B 00 51 54.941 -01 18 41.87 X 734
2025-09-19 19:41:02 C 00 53 02.052 -01 33 03.56 X M57
2025-09-19 19:53:29 C 00 53 03.202 -01 33 20.70 X M57
2025-09-19 20:03:51 C 00 53 04.162 -01 33 34.38 X M57
2025-09-19 20:20:29 C 00 53 05.686 -01 33 56.99 X M57
2025-09-24 07:51:51 C 01 07 16.313 -04 53 34.87 V G96
2025-09-24 07:59:18 C 01 07 17.494 -04 53 53.74 V G96
2025-09-24 08:06:44 C 01 07 18.682 -04 54 12.56 V G96
2025-09-24 08:14:10 C 01 07 19.862 -04 54 31.32 V G96
2025-09-25 10:56:55 C 01 12 33.539 -06 08 36.55 X F51
2025-09-25 11:17:35 C 01 12 37.483 -06 09 39.50 X F51
2025-09-25 11:38:32 C 01 12 41.509 -06 10 44.13 X F51
2025-09-25 11:59:27 C 01 12 45.532 -06 11 47.70 X F51
2025-09-28 04:33:27 C 01 31 02.095 -10 26 35.59 V W68
2025-09-28 04:37:21 C 01 31 03.413 -10 26 56.04 V W68
2025-09-28 04:43:12 C 01 31 05.434 -10 27 25.45 V W68
2025-09-28 04:51:02 C 01 31 08.071 -10 28 05.88 V W68
2025-09-29 03:11:54 C 01 40 19.536 -12 36 28.30 V R17
2025-09-29 03:31:24 C 01 40 27.965 -12 38 30.23 V R17
2025-09-29 03:50:55 C 01 40 36.456 -12 40 32.38 V R17