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
2021-06-04 12:04:01 s 1 -99600.882 0 +377529.27 3590.0 C57
2021-06-04 12:14:01 S 17 00 45.336 -41 40 31.48 V C57
2021-06-04 12:14:01 s 1 -99927.192 0 +377307.90 5350.0 C57
2021-06-04 12:24:01 S 17 00 43.147 -41 40 12.04 V C57
2021-06-04 12:24:01 s 1 -100253.26 4 +377085.63 6330.0 C57
2021-06-04 12:34:01 S 17 00 40.850 -41 39 55.15 V C57
2021-06-04 12:34:01 s 1 -100579.09 9 +376862.46 6540.0 C57
2021-06-04 12:44:01 S 17 00 38.669 -41 39 35.24 V C57
2021-06-04 12:44:01 s 1 -100904.69 4 +376638.39 5960.0 C57
2021-06-04 12:54:01 S 17 00 36.535 -41 39 15.55 V C57
2021-06-04 12:54:01 s 1 -101230.05 0 +376413.43 4600.0 C57
2021-06-04 13:04:01 S 17 00 34.330 -41 38 57.44 V C57
2021-06-04 13:04:01 s 1 -101555.16 4 +376187.56 2450.0 C57
2021-06-04 13:14:01 S 17 00 32.316 -41 38 40.60 V C57
2021-06-04 13:14:01 s 1 -101880.03 7 +375960.80 9510.0 C57
2021-06-04 13:24:01 S 17 00 30.192 -41 38 21.23 V C57
2021-06-04 13:24:01 s 1 -102204.66 6 +375733.13 5780.0 C57
2021-06-04 13:34:01 S 17 00 27.881 -41 38 01.18 V C57
2021-06-04 13:34:01 s 1 -102529.05 2 +375504.56 1250.0 C57
2021-06-04 13:44:01 S 17 00 25.740 -41 37 41.70 V C57
2021-06-04 13:44:01 s 1 -102853.19 2 +375275.09 5920.0 C57
2021-06-04 13:54:01 S 17 00 23.462 -41 37 25.18 V C57
2021-06-04 13:54:01 s 1 -103177.08 6 +375044.72 9790.0 C57
2021-06-04 14:04:01 S 17 00 21.463 -41 37 06.02 V C57
2021-06-04 14:04:01 s 1 -103500.73 3 +374813.45 2850.0 C57
2021-06-04 14:14:01 S 17 00 19.334 -41 36 46.98 V C57
2021-06-04 14:14:01 s 1 -103824.13 2 +374581.28 5110.0 C57
2021-06-04 14:24:01 S 17 00 17.028 -41 36 29.59 V C57
2021-06-04 14:24:01 s 1 -104147.28 1 +374348.20 6560.0 C57
2021-06-04 14:34:01 S 17 00 15.029 -41 36 11.77 V C57
2021-06-04 14:34:01 s 1 -104470.18 0 +374114.22 7190.0 C57
2021-06-04 14:44:01 S 17 00 12.768 -41 35 51.61 V C57
2021-06-04 14:44:01 s 1 -104792.82 8 +373879.34 7010.0 C57
2021-06-04 14:54:01 S 17 00 10.711 -41 35 34.37 V C57
2021-06-04 14:54:01 s 1 -105115.22 3 +373643.55 6010.0 C57
2021-06-04 15:04:01 S 17 00 08.491 -41 35 13.13 V C57
2021-06-04 15:04:01 s 1 -105437.36 5 +373406.86 4180.0 C57
2021-06-04 15:24:01 S 17 00 04.092 -41 34 36.34 V C57
2021-06-04 15:24:01 s 1 -106080.88 5 +372930.77 8060.0 C57
2021-06-04 15:34:01 S 17 00 01.913 -41 34 19.34 V C57
2021-06-04 15:34:01 s 1 -106402.26 0 +372691.36 3750.0 C57
2021-06-04 15:44:01 S 16 59 59.890 -41 34 00.23 V C57
2021-06-04 15:44:01 s 1 -106723.37 7 +372451.05 8610.0 C57
2021-06-04 15:54:01 S 16 59 57.658 -41 33 40.54 V C57
2021-06-04 15:54:01 s 1 -107044.23 6 +372209.84 2630.0 C57
2021-06-04 16:04:01 S 16 59 55.618 -41 33 24.52 V C57
2021-06-04 16:04:01 s 1 -107364.83 5 +371967.71 5810.0 C57
2021-06-04 16:14:01 S 16 59 53.386 -41 33 04.14 V C57
2021-06-04 16:14:01 s 1 -107685.17 3 +371724.69 8150.0 C57
2021-06-04 16:24:01 S 16 59 51.233 -41 32 45.20 V C57