408752 (1991 TB2)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7923427538 ± 2.63e-08
Semi-major axis (a)2.0455116665 AU ± 8.47e-09
Inclination (i)7.92973060° ± 4.53e-06
Long. of Asc. Node (Ω)291.88268535° ± 2.63e-05
Arg. of Perihelion (ω)199.40451026° ± 2.67e-05
Mean Anomaly (M)212.92918717° ± 6.36e-06
Mean Motion (n)0.3369064573°/day ± 2.09e-09
Perihelion dist (q)0.42476532 AU ± 5.39e-08
Aphelion dist (Q)3.66625801 AU ± 5.60e-08
Orbital Period2.92551912 yr ± 1.82e-08
Physical Parameters
H (abs. magnitude)17.23
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.816″
Uncertainty0
Orbit TypeApollo
MOID0.110734 AU
Observations Used2480
Oppositions22
Arc Total1991-2024
First Observation Used1991-09-15
Last Observation Used2024-07-09
Observations (4916)
Date Type RA Dec Mag Band Observatory
2021-06-12 23:24:01 s 1 +177711.65 6 +221042.05 1800.0 C57
2021-06-12 23:34:01 S 16 26 52.135 -35 57 53.28 V C57
2021-06-12 23:34:01 s 1 +177566.77 5 +221680.41 9540.0 C57
2021-06-12 23:44:01 S 16 26 51.113 -35 57 36.54 V C57
2021-06-12 23:44:01 s 1 +177420.81 0 +222317.42 4670.0 C57
2021-06-12 23:54:01 S 16 26 50.270 -35 57 24.30 V C57
2021-06-12 23:54:01 s 1 +177273.76 8 +222953.08 7230.0 C57
2021-06-13 00:04:01 S 16 26 49.243 -35 57 06.98 V C57
2021-06-13 00:04:01 s 1 +177125.65 3 +223587.41 7210.0 C57
2021-06-13 00:14:01 S 16 26 48.158 -35 56 54.10 V C57
2021-06-13 00:14:01 s 1 +176976.47 2 +224220.39 4640.0 C57
2021-06-13 00:24:01 S 16 26 47.035 -35 56 38.15 V C57
2021-06-13 00:24:01 s 1 +176826.22 8 +224852.04 9530.0 C57
2021-06-13 00:34:01 S 16 26 46.222 -35 56 25.84 V C57
2021-06-13 00:34:01 s 1 +176674.92 7 +225482.34 1890.0 C57
2021-06-13 00:44:01 S 16 26 45.094 -35 56 09.49 V C57
2021-06-13 00:44:01 s 1 +176522.57 5 +226111.32 1730.0 C57
2021-06-13 00:54:01 S 16 26 44.366 -35 55 54.12 V C57
2021-06-13 00:54:01 s 1 +176369.17 6 +226738.95 9070.0 C57
2021-06-13 01:14:01 S 16 26 42.266 -35 55 23.59 V C57
2021-06-13 01:14:01 s 1 +176059.26 0 +227990.24 6280.0 C57
2021-06-13 01:34:01 S 16 26 40.594 -35 54 57.31 V C57
2021-06-13 01:34:01 s 1 +175745.21 8 +229236.20 3640.0 C57
2021-06-13 01:54:01 S 16 26 38.556 -35 54 27.83 V C57
2021-06-13 01:54:01 s 1 +175427.09 0 +230476.87 1250.0 C57
2021-06-13 02:14:01 S 16 26 36.470 -35 53 55.03 V C57
2021-06-13 02:14:01 s 1 +175104.91 6 +231712.24 9190.0 C57
2021-06-13 02:34:01 S 16 26 34.517 -35 53 27.96 V C57
2021-06-13 02:34:01 s 1 +174778.73 5 +232942.34 7580.0 C57
2021-06-13 02:54:01 S 16 26 32.794 -35 53 00.10 V C57
2021-06-13 02:54:01 s 1 +174448.58 4 +234167.18 6510.0 C57
2021-06-13 03:04:01 S 16 26 31.514 -35 52 45.05 V C57
2021-06-13 03:04:01 s 1 +174282.03 2 +234777.63 2460.0 C57
2021-06-13 03:14:01 S 16 26 30.713 -35 52 28.85 V C57
2021-06-13 03:14:01 s 1 +174114.50 2 +235386.77 6080.0 C57
2021-06-13 03:24:01 S 16 26 29.918 -35 52 15.92 V C57
2021-06-13 03:24:01 s 1 +173945.99 9 +235994.60 7380.0 C57
2021-06-13 03:34:01 S 16 26 28.867 -35 52 02.53 V C57
2021-06-13 03:34:01 s 1 +173776.52 7 +236601.12 6380.0 C57
2021-06-13 03:44:01 S 16 26 27.979 -35 51 45.50 V C57
2021-06-13 03:44:01 s 1 +173606.09 1 +237206.34 3080.0 C57
2021-06-13 03:54:01 S 16 26 27.041 -35 51 32.33 V C57
2021-06-13 03:54:01 s 1 +173434.69 5 +237810.25 7500.0 C57
2021-06-13 04:04:01 S 16 26 25.927 -35 51 18.32 V C57
2021-06-13 04:04:01 s 1 +173262.34 4 +238412.86 9650.0 C57
2021-06-13 04:14:01 S 16 26 25.111 -35 51 02.59 V C57
2021-06-13 04:14:01 s 1 +173089.04 3 +239014.16 9540.0 C57
2021-06-13 04:24:01 S 16 26 24.278 -35 50 49.34 V C57
2021-06-13 04:24:01 s 1 +172914.79 5 +239614.17 7190.0 C57
2021-06-13 04:34:01 S 16 26 23.090 -35 50 34.55 V C57