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
2021-06-18 08:54:01 s 1 -64793.681 0 +395272.96 7550.0 C57
2021-06-18 09:14:01 S 16 16 46.994 -33 19 32.95 V C57
2021-06-18 09:14:01 s 1 -65481.388 0 +395005.06 1600.0 C57
2021-06-18 09:34:01 S 16 16 45.499 -33 19 16.07 V C57
2021-06-18 09:34:01 s 1 -66168.474 0 +394733.66 3410.0 C57
2021-06-18 09:44:01 S 16 16 44.914 -33 19 04.58 V C57
2021-06-18 09:44:01 s 1 -66511.782 0 +394596.65 3470.0 C57
2021-06-18 09:54:01 S 16 16 44.652 -33 18 48.46 V C57
2021-06-18 09:54:01 s 1 -66854.932 0 +394458.77 2970.0 C57
2021-06-18 10:04:01 S 16 16 44.030 -33 18 41.08 V C57
2021-06-18 10:04:01 s 1 -67197.923 0 +394320.01 1900.0 C57
2021-06-18 10:14:01 S 16 16 43.596 -33 18 32.94 V C57
2021-06-18 10:14:01 s 1 -67540.754 0 +394180.38 260.0 C57
2021-06-18 10:34:01 S 16 16 41.921 -33 18 11.59 V C57
2021-06-18 10:34:01 s 1 -68225.934 0 +393898.49 5260.0 C57
2021-06-18 10:44:01 S 16 16 41.165 -33 17 58.88 V C57
2021-06-18 10:44:01 s 1 -68568.281 0 +393756.24 1890.0 C57
2021-06-18 11:04:01 S 16 16 40.267 -33 17 43.44 V C57
2021-06-18 11:04:01 s 1 -69252.485 0 +393469.10 3420.0 C57
2021-06-18 11:14:01 S 16 16 39.881 -33 17 31.38 V C57
2021-06-18 11:14:01 s 1 -69594.340 0 +393324.22 8310.0 C57
2021-06-18 11:24:01 S 16 16 38.462 -33 17 20.04 V C57
2021-06-18 11:24:01 s 1 -69936.030 0 +393178.47 2610.0 C57
2021-06-18 11:34:01 S 16 16 38.273 -33 17 10.18 V C57
2021-06-18 11:34:01 s 1 -70277.553 0 +393031.84 6320.0 C57
2021-06-18 11:44:01 S 16 16 37.886 -33 16 56.64 V C57
2021-06-18 11:44:01 s 1 -70618.908 0 +392884.33 9440.0 C57
2021-06-18 11:54:01 S 16 16 36.780 -33 16 45.08 V C57
2021-06-18 11:54:01 s 1 -70960.095 0 +392735.95 1970.0 C57
2021-06-18 12:04:01 S 16 16 36.341 -33 16 39.68 V C57
2021-06-18 12:04:01 s 1 -71301.113 0 +392586.69 3900.0 C57
2021-06-18 12:14:01 S 16 16 35.321 -33 16 30.40 V C57
2021-06-18 12:14:01 s 1 -71641.961 0 +392436.55 5230.0 C57
2021-06-18 12:24:01 S 16 16 35.088 -33 16 18.66 V C57
2021-06-18 12:24:01 s 1 -71982.638 0 +392285.54 5960.0 C57
2021-06-18 12:34:01 S 16 16 34.325 -33 16 07.32 V C57
2021-06-18 12:34:01 s 1 -72323.144 0 +392133.66 6090.0 C57
2021-06-18 12:44:01 S 16 16 33.847 -33 15 57.64 V C57
2021-06-18 12:44:01 s 1 -72663.476 0 +391980.89 5610.0 C57
2021-06-18 12:54:01 S 16 16 33.216 -33 15 49.14 V C57
2021-06-18 12:54:01 s 1 -73003.635 0 +391827.25 4520.0 C57
2021-06-18 13:04:01 S 16 16 32.388 -33 15 39.46 V C57
2021-06-18 13:04:01 s 1 -73343.620 0 +391672.73 2820.0 C57
2021-06-18 13:14:01 S 16 16 31.879 -33 15 31.36 V C57
2021-06-18 13:14:01 s 1 -73683.429 0 +391517.34 510.0 C57
2021-06-18 13:24:01 S 16 16 31.670 -33 15 15.44 V C57
2021-06-18 13:24:01 s 1 -74023.062 0 +391361.06 7580.0 C57
2021-06-18 13:34:01 S 16 16 30.485 -33 15 08.06 V C57
2021-06-18 13:34:01 s 1 -74362.518 0 +391203.91 4040.0 C57
2021-06-18 13:44:01 S 16 16 29.794 -33 14 57.16 V C57