IAA RAS IAA Minor Planet Database

2012 SY49

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5571677007 ± 2.00e+00
Semi-major axis (a)1.5279317869 AU ± 3.00e+00
Inclination (i)1.19401195° ± 4.00e+00
Long. of Asc. Node (Ω)5.88276162° ± 5.00e+00
Arg. of Perihelion (ω)84.42085019° ± 6.00e+00
Mean Anomaly (M)318.80784054° ± 9.29e-02
Mean Motion (n)0.5218407900°/day ± 1.54e+00
Perihelion dist (q)0.67661750 AU ± 3.33e+00
Aphelion dist (Q)2.37929350 AU ± 5.58e+00
Orbital Period1.88871340 yr ± 5.56e+00
Physical Parameters
H (abs. magnitude)25.83
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.323″
Uncertainty2
Orbit TypeApollo
MOID0.000170 AU
Observations Used43
Oppositions1
Arc Total2012-2012
First Observation Used—
Last Observation Used2012-09-26
Observations (45)
Date Type RA Dec Mag Band Observatory
2012-09-22 06:23:16 C 00 39 39.90 +01 30 53.8 – u H36
2012-09-22 06:32:30 C 00 39 41.33 +01 31 03.7 – u H36
2012-09-22 06:41:23 C 00 39 42.74 +01 31 13.9 – u H36
2012-09-22 06:50:17 C 00 39 44.06 +01 31 24.1 – u H36
2012-09-22 08:07:56 C 00 39 58.13 +01 33 05.0 – o H01
2012-09-22 08:18:23 C 00 39 59.79 +01 33 17.1 – o H01
2012-09-22 08:27:10 C 00 40 01.19 +01 33 27.3 – o H01
2012-09-22 08:37:28 C 00 40 02.84 +01 33 39.3 – o H01
2012-09-23 04:17:24 C 00 44 44.98 +02 00 11.9 – v H21
2012-09-23 04:22:26 C 00 44 46.18 +02 00 19.8 – v H21
2012-09-23 04:27:28 C 00 44 47.38 +02 00 27.8 – v H21
2012-09-23 04:32:18 C 00 44 48.46 +02 00 35.4 – v H21
2012-09-23 04:41:46 C 00 44 53.95 +02 01 05.3 – o H01
2012-09-23 04:51:29 C 00 44 56.30 +02 01 21.0 – o H01
2012-09-23 05:02:23 C 00 44 58.91 +02 01 38.6 – o H01
2012-09-23 05:24:01 C 00 45 04.07 +02 02 13.8 – o H01
2012-09-23 06:19:25 C 00 45 14.95 +02 03 31.4 – u H36
2012-09-23 06:33:47 C 00 45 18.37 +02 03 55.2 – u H36
2012-09-23 06:55:30 C 00 45 23.55 +02 04 31.0 – u H36
2012-09-23 07:17:18 C 00 45 28.73 +02 05 06.9 – u H36
2012-09-23 07:45:05 C 00 45 35.41 +02 05 53.3 – u H36
2012-09-24 05:35:25 C 00 53 29.28 +02 51 24.8 – o 291
2012-09-24 05:37:38 C 00 53 30.14 +02 51 30.7 – o 291
2012-09-24 05:39:51 C 00 53 31.00 +02 51 36.2 – o 291
2012-09-24 07:33:55 C 00 54 11.61 +02 56 09.9 – u H36
2012-09-24 08:03:14 C 00 54 23.36 +02 57 26.8 – u H36
2012-09-24 08:12:23 C 00 54 29.02 +02 58 12.5 – c H06
2012-09-24 08:14:30 C 00 54 29.86 +02 58 19.3 – c H06
2012-09-24 08:16:38 C 00 54 30.70 +02 58 25.8 – c H06
2012-09-24 08:42:17 C 00 54 39.18 +02 59 11.3 – u H36
2012-09-24 09:02:59 C 00 54 47.75 +03 00 07.6 – u H36
2012-09-25 01:33:26 C 01 04 18.23 +03 54 08.4 – u J95
2012-09-25 01:35:48 C 01 04 19.74 +03 54 17.8 – u J95
2012-09-25 01:38:02 C 01 04 21.18 +03 54 27.0 – u J95
2012-09-26 03:53:31 C 01 32 37.45 +06 43 44.4 – u 807
2012-09-26 03:58:05 C 01 32 44.44 +06 44 27.1 – u 807
2012-09-26 04:02:49 C 01 32 51.68 +06 45 11.5 – u 807
2012-09-26 04:07:45 C 01 32 59.21 +06 45 57.6 – u 807
2012-09-26 09:41:51 C 01 42 48.39 +07 34 39.0 – t 711
2012-09-26 09:44:57 C 01 42 54.38 +07 35 13.8 – t 711
2012-09-26 09:48:03 C 01 43 00.40 +07 35 48.7 – t 711
2012-09-26 09:51:08 C 01 43 06.34 +07 36 23.4 – t 711
2012-09-26 09:54:15 C 01 43 12.43 +07 36 58.2 – t 711
2012-09-26 13:41:42 C 01 51 42.36 +08 25 09.2 – – F51
2012-09-26 13:52:38 C 01 52 07.84 +08 27 33.4 – – F51