2021 SY2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3176923000
Semi-major axis (a)1.4961194000 AU
Inclination (i)4.83500000°
Long. of Asc. Node (Ω)15.54391000°
Arg. of Perihelion (ω)342.07665000°
Mean Anomaly (M)99.70009000°
Mean Motion (n)0.5385855600°/day
Perihelion dist (q)1.02081380 AU
Aphelion dist (Q)1.97142500 AU
Orbital Period1.82999280 yr
Physical Parameters
H (abs. magnitude)26.17
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.720″
Uncertainty7
Orbit TypeAmor
MOID0.024471 AU
Observations Used29
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-10-17
Observations (30)
Date Type RA Dec Mag Band Observatory
2021-09-30 10:04:58 C 02 37 52.118 -10 49 46.30 U F51
2021-09-30 10:44:23 C 02 37 59.530 -10 40 56.34 V F51
2021-09-30 11:03:28 C 02 38 02.979 -10 36 39.00 U F51
2021-09-30 23:15:11 C 02 41 11.73 -07 55 51.0 V I93
2021-09-30 23:19:22 C 02 41 12.54 -07 54 56.6 V I93
2021-09-30 23:23:40 C 02 41 13.41 -07 54 01.5 V I93
2021-10-01 00:47:41 C 02 41 41.77 -07 30 19.8 X Y00
2021-10-01 00:56:45 C 02 41 43.62 -07 28 23.6 X Y00
2021-10-01 11:40:52 C 02 43 50.38 -05 16 07.1 V V06
2021-10-01 11:42:03 C 02 43 50.57 -05 15 52.1 V V06
2021-10-01 11:43:14 C 02 43 50.77 -05 15 37.3 V V06
2021-10-01 11:44:25 C 02 43 50.98 -05 15 22.5 V V06
2021-10-01 22:14:22 C 02 46 32.33 -03 07 09.7 V L01
2021-10-01 22:15:47 C 02 46 32.58 -03 06 52.2 V L01
2021-10-01 22:18:28 C 02 46 32.99 -03 06 20.4 V L01
2021-10-01 22:20:39 C 02 46 33.38 -03 05 53.9 V L01
2021-10-01 22:22:42 C 02 46 33.78 -03 05 28.9 V L01
2021-10-01 22:44:20 C 02 46 38.20 -03 01 04.9 V 104
2021-10-01 22:52:39 C 02 46 39.64 -02 59 24.6 V 104
2021-10-01 23:01:00 C 02 46 41.04 -02 57 45.4 V 104
2021-10-03 13:16:54 C 02 54 06.780 +04 10 03.71 U F51
2021-10-03 13:34:05 C 02 54 08.646 +04 12 59.50 U F51
2021-10-04 10:00:27 C 02 57 54.149 +07 33 00.53 U F52
2021-10-04 10:17:54 C 02 57 55.982 +07 35 44.65 U F52
2021-10-04 10:35:18 C 02 57 57.746 +07 38 27.94 U F52
2021-10-04 10:52:50 C 02 57 59.459 +07 41 12.78 U F52
2021-10-04 20:07:03 C 02 59 13.80 +09 04 25.6 V D29
2021-10-04 20:27:25 C 02 59 16.01 +09 07 25.0 V D29
2021-10-17 08:15:25 C 03 23 17.87 +32 57 46.3 V G96
2021-10-17 08:23:41 C 03 23 17.82 +32 58 05.7 V G96