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
2021-06-06 16:24:01 s 1 -183887.83 9 +261377.59 4220.0 C57
2021-06-06 16:34:01 S 16 50 12.427 -40 07 36.23 V C57
2021-06-06 16:34:01 s 1 -184070.51 5 +260847.42 1570.0 C57
2021-06-06 16:44:01 S 16 50 10.709 -40 07 19.09 V C57
2021-06-06 16:44:01 s 1 -184252.41 1 +260316.13 6660.0 C57
2021-06-06 16:54:01 S 16 50 08.657 -40 06 59.15 V C57
2021-06-06 16:54:01 s 1 -184433.52 4 +259783.75 9460.0 C57
2021-06-06 17:04:01 S 16 50 07.022 -40 06 46.19 V C57
2021-06-06 17:04:01 s 1 -184613.84 9 +259250.25 9990.0 C57
2021-06-06 17:14:01 S 16 50 05.270 -40 06 27.72 V C57
2021-06-06 17:14:01 s 1 -184793.38 4 +258715.65 8210.0 C57
2021-06-06 17:34:01 S 16 50 01.238 -40 05 51.11 V C57
2021-06-06 17:34:01 s 1 -185150.07 3 +257643.11 7750.0 C57
2021-06-06 17:44:01 S 16 49 59.335 -40 05 37.00 V C57
2021-06-06 17:44:01 s 1 -185327.22 0 +257105.18 9040.0 C57
2021-06-06 17:54:01 S 16 49 57.502 -40 05 20.69 V C57
2021-06-06 17:54:01 s 1 -185503.56 4 +256566.13 8000.0 C57
2021-06-06 19:14:01 S 16 49 42.468 -40 03 04.54 V C57
2021-06-06 19:14:01 s 1 -186885.04 0 +252213.59 4830.0 C57
2021-06-06 19:24:01 S 16 49 40.721 -40 02 48.19 V C57
2021-06-06 19:24:01 s 1 -187054.01 6 +251664.48 2440.0 C57
2021-06-06 19:34:01 S 16 49 38.890 -40 02 36.35 V C57
2021-06-06 19:34:01 s 1 -187222.15 6 +251114.25 7630.0 C57
2021-06-06 19:44:01 S 16 49 37.104 -40 02 19.57 V C57
2021-06-06 19:44:01 s 1 -187389.45 8 +250562.90 390.0 C57
2021-06-06 19:54:01 S 16 49 35.194 -40 01 59.56 V C57
2021-06-06 19:54:01 s 1 -187555.91 8 +250010.43 720.0 C57
2021-06-06 20:04:01 S 16 49 33.295 -40 01 45.12 V C57
2021-06-06 20:04:01 s 1 -187721.53 2 +249456.82 8610.0 C57
2021-06-06 20:14:01 S 16 49 31.430 -40 01 26.54 V C57
2021-06-06 20:14:01 s 1 -187886.29 8 +248902.09 4040.0 C57
2021-06-06 20:24:01 S 16 49 29.678 -40 01 10.99 V C57
2021-06-06 20:24:01 s 1 -188050.21 2 +248346.24 7000.0 C57
2021-06-06 20:34:01 S 16 49 27.622 -40 00 53.39 V C57
2021-06-06 20:34:01 s 1 -188213.27 0 +247789.25 7500.0 C57
2021-06-06 20:44:01 S 16 49 25.870 -40 00 36.00 V C57
2021-06-06 20:44:01 s 1 -188375.46 8 +247231.13 5510.0 C57
2021-06-06 20:54:01 S 16 49 23.935 -40 00 18.22 V C57
2021-06-06 20:54:01 s 1 -188536.80 4 +246671.89 1030.0 C57
2021-06-06 21:04:01 S 16 49 22.154 -40 00 01.26 V C57
2021-06-06 21:04:01 s 1 -188697.27 5 +246111.51 4040.0 C57
2021-06-06 21:14:01 S 16 49 20.352 -39 59 46.21 V C57
2021-06-06 21:14:01 s 1 -188856.87 5 +245549.99 4550.0 C57
2021-06-06 21:24:01 S 16 49 18.626 -39 59 30.41 V C57
2021-06-06 21:24:01 s 1 -189015.60 2 +244987.35 2540.0 C57
2021-06-06 21:34:01 S 16 49 16.577 -39 59 08.59 V C57
2021-06-06 21:34:01 s 1 -189173.45 3 +244423.56 7990.0 C57
2021-06-06 21:44:01 S 16 49 14.731 -39 58 54.66 V C57
2021-06-06 21:44:01 s 1 -189330.42 3 +243858.64 910.0 C57
2021-06-06 21:54:01 S 16 49 12.886 -39 58 36.30 V C57