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
2021-05-31 15:24:02 s 1 +93739.264 0 +364630.11 2910.0 C57
2021-05-31 15:34:01 S 17 24 36.329 -44 51 15.62 V C57
2021-05-31 15:34:01 s 1 +93413.342 0 +364903.12 2170.0 C57
2021-05-31 15:44:02 S 17 24 33.341 -44 50 52.37 V C57
2021-05-31 15:44:02 s 1 +93087.166 0 +365175.17 940.0 C57
2021-05-31 16:34:02 S 17 24 17.923 -44 48 59.72 V C57
2021-05-31 16:34:02 s 1 +91452.512 0 +366520.90 7320.0 C57
2021-05-31 16:44:02 S 17 24 15.060 -44 48 39.24 V C57
2021-05-31 16:44:02 s 1 +91124.834 0 +366787.16 3130.0 C57
2021-05-31 16:54:02 S 17 24 11.947 -44 48 14.72 V C57
2021-05-31 16:54:02 s 1 +90796.911 0 +367052.45 8450.0 C57
2021-05-31 17:14:02 S 17 24 05.904 -44 47 27.78 V C57
2021-05-31 17:14:02 s 1 +90140.330 0 +367580.14 7660.0 C57
2021-05-31 17:34:02 S 17 23 59.762 -44 46 44.69 V C57
2021-05-31 17:34:02 s 1 +89482.781 0 +368103.98 4980.0 C57
2021-05-31 17:44:01 S 17 23 56.837 -44 46 22.69 V C57
2021-05-31 17:44:01 s 1 +89153.645 0 +368364.47 7930.0 C57
2021-05-31 17:54:02 S 17 23 53.746 -44 45 59.90 V C57
2021-05-31 17:54:02 s 1 +88824.271 0 +368623.99 420.0 C57
2021-05-31 18:04:02 S 17 23 50.633 -44 45 36.76 V C57
2021-05-31 18:04:02 s 1 +88494.659 0 +368882.55 2450.0 C57
2021-05-31 18:14:01 S 17 23 47.707 -44 45 15.23 V C57
2021-05-31 18:14:01 s 1 +88164.811 0 +369140.16 4020.0 C57
2021-05-31 18:24:02 S 17 23 44.609 -44 44 53.52 V C57
2021-05-31 18:24:02 s 1 +87834.727 0 +369396.81 5130.0 C57
2021-05-31 18:34:01 S 17 23 41.700 -44 44 31.38 V C57
2021-05-31 18:34:01 s 1 +87504.409 0 +369652.50 5780.0 C57
2021-05-31 18:44:02 S 17 23 38.647 -44 44 07.04 V C57
2021-05-31 18:44:02 s 1 +87173.858 0 +369907.24 5990.0 C57
2021-05-31 19:04:02 S 17 23 32.652 -44 43 24.67 V C57
2021-05-31 19:04:02 s 1 +86512.062 0 +370413.84 5060.0 C57
2021-05-31 19:24:02 S 17 23 26.599 -44 42 39.92 V C57
2021-05-31 19:24:02 s 1 +85849.349 0 +370916.62 2360.0 C57
2021-05-31 19:34:02 S 17 23 23.546 -44 42 16.02 V C57
2021-05-31 19:34:02 s 1 +85517.651 0 +371166.59 360.0 C57
2021-05-31 19:44:01 S 17 23 20.616 -44 41 53.48 V C57
2021-05-31 19:44:01 s 1 +85185.726 0 +371415.60 7920.0 C57
2021-05-31 19:54:02 S 17 23 17.513 -44 41 31.24 V C57
2021-05-31 19:54:02 s 1 +84853.577 0 +371663.65 5050.0 C57
2021-05-31 20:04:01 S 17 23 14.573 -44 41 09.20 V C57
2021-05-31 20:04:01 s 1 +84521.205 0 +371910.76 1750.0 C57
2021-05-31 20:24:01 S 17 23 08.566 -44 40 23.74 V C57
2021-05-31 20:24:01 s 1 +83855.793 0 +372402.12 3880.0 C57
2021-05-31 20:34:02 S 17 23 05.551 -44 40 01.56 V C57
2021-05-31 20:34:02 s 1 +83522.756 0 +372646.37 9310.0 C57
2021-05-31 20:44:01 S 17 23 02.410 -44 39 38.16 V C57
2021-05-31 20:44:01 s 1 +83189.500 0 +372889.68 4320.0 C57
2021-05-31 20:54:02 S 17 22 59.551 -44 39 18.14 V C57
2021-05-31 20:54:02 s 1 +82856.025 0 +373132.03 8930.0 C57
2021-05-31 21:04:02 S 17 22 56.815 -44 38 54.64 V C57