IAA RAS IAA Minor Planet Database

53426 (1999 SL5)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5397322386 ± 5.24e-09
Semi-major axis (a)1.9222577034 AU ± 4.98e-10
Inclination (i)22.76527761° ± 6.57e-07
Long. of Asc. Node (Ω)239.03511305° ± 1.98e-06
Arg. of Perihelion (ω)43.41882174° ± 3.15e-06
Mean Anomaly (M)315.75994878° ± 1.08e-06
Mean Motion (n)0.3698238038°/day ± 1.44e-10
Perihelion dist (q)0.88475325 AU ± 1.01e-08
Aphelion dist (Q)2.95976216 AU ± 1.01e-08
Orbital Period2.66512397 yr ± 1.03e-09
Physical Parameters
H (abs. magnitude)17.19
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.031″
Uncertainty0
Orbit TypeApollo
MOID0.027525 AU
Observations Used1119
Gaia Obs Used30
Oppositions10
Arc Total1999-2024
First Observation Used1999-09-28
Last Observation Used2024-01-11
Observations (1211)
Date Type RA Dec Mag Band Observatory
2023-09-19 03:03:06 C 20 15 27.176 +65 00 28.84 – V 703
2023-09-19 03:12:25 C 20 15 30.186 +65 00 14.40 – V 703
2023-09-19 03:31:06 C 20 15 36.364 +64 59 44.12 – V 703
2023-09-19 08:35:53 C 20 17 17.974 +64 51 32.62 – V T05
2023-09-19 08:41:42 C 20 17 19.810 +64 51 23.11 – V T05
2023-09-19 08:50:19 C 20 17 22.656 +64 51 08.71 – V T05
2023-09-19 09:04:57 C 20 17 27.413 +64 50 44.30 – V T05
2023-09-19 19:31:06 C 20 20 58.06 +64 33 30.2 – V 130
2023-09-19 19:32:45 C 20 20 58.59 +64 33 27.4 – V 130
2023-09-19 19:34:24 C 20 20 59.11 +64 33 24.7 – V 130
2023-09-21 09:30:41 C 20 33 04.454 +63 28 18.19 – V T05
2023-09-21 09:36:17 C 20 33 06.139 +63 28 08.15 – V T05
2023-09-21 09:44:12 C 20 33 08.539 +63 27 53.96 – V T05
2023-09-21 10:01:05 C 20 33 13.541 +63 27 22.72 – V T05
2023-09-23 09:49:51 C 20 47 21.403 +61 59 29.47 – V T05
2023-09-23 09:54:50 C 20 47 22.764 +61 59 19.86 – V T05
2023-09-23 09:59:36 C 20 47 24.012 +61 59 10.75 – V T05
2023-09-23 10:04:45 C 20 47 25.454 +61 59 00.42 – V T05
2023-09-24 19:06:37 C 20 56 31.48 +60 54 56.2 – X M26
2023-09-24 19:11:10 C 20 56 32.64 +60 54 47.3 – X M26
2023-09-24 19:15:43 C 20 56 33.82 +60 54 38.4 – X M26
2023-09-25 08:44:55 C 21 00 05.074 +60 27 54.25 – V T05
2023-09-25 08:52:26 C 21 00 06.938 +60 27 38.95 – V T05
2023-09-25 09:08:22 C 21 00 10.879 +60 27 06.55 – V T05
2023-09-27 08:29:42 C 21 11 57.694 +58 50 03.05 – V T05
2023-09-27 08:33:41 C 21 11 58.594 +58 49 54.80 – V T05
2023-09-27 08:41:44 C 21 12 00.444 +58 49 37.67 – V T05
2023-09-27 08:56:22 C 21 12 03.780 +58 49 06.82 – V T05
2023-09-28 18:19:41 C 21 19 48.50 +57 38 12.1 – X C95
2023-09-28 18:45:50 C 21 19 54.20 +57 37 16.6 – X C95
2023-09-28 19:11:57 C 21 19 59.85 +57 36 21.1 – X C95
2023-09-29 09:24:47 C 21 23 06.617 +57 05 47.40 – V T05
2023-09-29 09:29:36 C 21 23 07.654 +57 05 36.89 – V T05
2023-09-29 09:38:08 C 21 23 09.463 +57 05 17.88 – V T05
2023-09-29 10:03:53 C 21 23 14.820 +57 04 21.25 – V T05
2023-09-30 00:43:24 C 21 26 26.52 +56 32 25.6 – V W46
2023-09-30 00:58:09 C 21 26 29.53 +56 31 53.3 – V W46
2023-09-30 01:10:11 C 21 26 31.98 +56 31 27.4 – V W46
2023-09-30 18:43:08 C 21 30 12.53 +55 52 50.4 – X C95
2023-09-30 18:53:43 C 21 30 14.68 +55 52 27.7 – X C95
2023-09-30 19:03:32 C 21 30 16.76 +55 52 06.9 – X C95
2023-10-01 02:26:28 C 21 31 45.00 +55 35 34.9 – X L63
2023-10-01 02:33:50 C 21 31 46.57 +55 35 18.3 – X L63
2023-10-01 02:40:56 C 21 31 48.05 +55 35 02.3 – X L63
2023-10-01 08:42:52 C 21 33 02.160 +55 21 58.93 – V T05
2023-10-01 08:50:49 C 21 33 03.677 +55 21 41.29 – V T05
2023-10-01 08:56:17 C 21 33 04.709 +55 21 28.87 – V T05
2023-10-01 09:12:43 C 21 33 07.884 +55 20 51.76 – V T05
2023-10-01 18:12:37 C 21 34 57.61 +55 00 42.5 – X C95
2023-10-01 18:23:21 C 21 34 59.65 +55 00 18.6 – X C95