2021 SL1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4610385445 ± 6.19e-05
Semi-major axis (a)1.9590919755 AU ± 2.36e-04
Inclination (i)5.06420861° ± 5.03e-04
Long. of Asc. Node (Ω)348.61222938° ± 3.02e-04
Arg. of Perihelion (ω)15.49506733° ± 1.49e-04
Mean Anomaly (M)184.25293043° ± 9.85e-02
Mean Motion (n)0.3594430060°/day ± 6.49e-05
Perihelion dist (q)1.05587506 AU ± 1.76e-04
Aphelion dist (Q)2.86230889 AU ± 3.65e-04
Orbital Period2.74209337 yr ± 4.95e-04
Physical Parameters
H (abs. magnitude)25.44
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.225″
Uncertainty2
Orbit TypeAmor
MOID0.053964 AU
Observations Used25
Oppositions1
Arc Total2021-2021
First Observation Used2021-09-14
Last Observation Used2021-10-29
Observations (30)
Date Type RA Dec Mag Band Observatory
2021-09-14 04:11:54 C 21 02 35.64 -16 50 09.6 V G96
2021-09-14 04:34:15 C 21 02 38.90 -16 48 35.6 V G96
2021-09-27 05:30:24 C 22 21 17.065 +13 20 00.34 U F52
2021-09-27 06:03:18 C 22 21 26.680 +13 23 41.67 U F52
2021-09-27 06:19:45 C 22 21 31.460 +13 25 32.42 U F52
2021-09-27 09:47:45 C 22 22 30.929 +13 48 35.84 V F51
2021-09-27 17:28:55 C 22 25 03.25 +14 39 02.8 V N51
2021-09-27 17:38:15 C 22 25 05.96 +14 40 04.8 V N51
2021-09-27 17:47:30 C 22 25 08.73 +14 41 04.0 V N51
2021-09-27 21:15:41 C 22 26 20.63 +15 03 17.6 V J95
2021-09-27 21:45:59 C 22 26 29.86 +15 06 37.2 V J95
2021-09-27 22:24:41 C 22 26 40.30 +15 11 02.8 V 204
2021-09-27 22:55:22 C 22 26 49.56 +15 14 23.4 V 204
2021-09-27 23:26:56 C 22 26 58.84 +15 17 52.5 V 104
2021-09-27 23:35:16 C 22 27 01.36 +15 18 47.3 V 104
2021-09-27 23:43:35 C 22 27 03.89 +15 19 41.7 V 104
2021-09-28 02:44:28 C 22 28 10.20 +15 39 44.9 u H21
2021-09-28 02:52:32 C 22 28 12.63 +15 40 37.6 u H21
2021-09-28 21:44:19 C 22 34 28.47 +17 43 11.9 V L01
2021-09-28 21:49:18 C 22 34 29.97 +17 43 43.9 V L01
2021-09-28 21:51:48 C 22 34 30.74 +17 44 00.2 V L01
2021-09-29 05:32:32 C 22 37 14.855 +18 34 04.65 U F52
2021-09-29 05:50:50 C 22 37 20.544 +18 36 03.82 U F52
2021-09-29 06:27:19 C 22 37 31.761 +18 40 00.69 U F52
2021-09-29 10:38:28 C 22 38 47.820 +19 06 39.71 V F51
2021-09-29 10:39:38 C 22 38 48.197 +19 06 47.08 V F51
2021-10-07 04:53:35 C 23 45 30.55 +35 19 02.8 V V06
2021-10-07 04:53:59 C 23 45 30.66 +35 19 04.3 V V06
2021-10-07 04:54:46 C 23 45 30.94 +35 19 07.7 V V06
2021-10-29 09:12:20 C 02 03 29.81 +46 41 04.3 V V00