138937 (2001 BK16)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6779799601 ± 2.67e-08
Semi-major axis (a)2.0723812401 AU ± 1.62e-09
Inclination (i)31.81272239° ± 7.68e-06
Long. of Asc. Node (Ω)98.82942656° ± 3.34e-06
Arg. of Perihelion (ω)252.42382053° ± 6.09e-06
Mean Anomaly (M)139.15541447° ± 2.92e-06
Mean Motion (n)0.3303754729°/day ± 3.88e-10
Perihelion dist (q)0.66734829 AU ± 5.54e-08
Aphelion dist (Q)3.47741419 AU ± 5.55e-08
Orbital Period2.98335187 yr ± 3.51e-09
Physical Parameters
H (abs. magnitude)17.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.809″
Uncertainty0
Orbit TypeApollo
MOID0.062171 AU
Observations Used3037
Oppositions18
Arc Total1998-2025
First Observation Used1998-01-27
Last Observation Used2025-02-25
Observations (5212)
Date Type RA Dec Mag Band Observatory
2021-12-22 07:43:54 S 07 51 05.129 +19 39 10.19 V C57
2021-12-22 07:43:54 s 1 +60262.872 0 +374330.58 9880.0 C57
2021-12-22 07:53:54 S 07 51 03.646 +19 39 38.74 V C57
2021-12-22 07:53:54 s 1 +59919.625 0 +374493.63 3740.0 C57
2021-12-22 08:03:54 S 07 51 01.572 +19 40 07.79 V C57
2021-12-22 08:03:54 s 1 +59576.214 0 +374655.69 7150.0 C57
2021-12-22 08:13:54 S 07 51 00.206 +19 40 31.19 V C57
2021-12-22 08:13:54 s 1 +59232.640 0 +374816.76 120.0 C57
2021-12-22 08:23:54 S 07 50 58.322 +19 41 04.34 V C57
2021-12-22 08:23:54 s 1 +58888.904 0 +374976.84 2660.0 C57
2021-12-22 08:43:54 S 07 50 54.890 +19 42 01.19 V C57
2021-12-22 08:43:54 s 1 +58200.950 0 +375294.06 6430.0 C57
2021-12-22 08:53:54 S 07 50 53.278 +19 42 27.22 V C57
2021-12-22 08:53:54 s 1 +57856.734 0 +375451.19 7680.0 C57
2021-12-22 09:03:54 S 07 50 51.718 +19 42 50.72 V C57
2021-12-22 09:03:54 s 1 +57512.360 0 +375607.34 8510.0 C57
2021-12-22 09:13:54 S 07 50 49.937 +19 43 16.57 V C57
2021-12-22 09:13:54 s 1 +57167.829 0 +375762.50 8920.0 C57
2021-12-22 09:23:54 S 07 50 48.274 +19 43 44.76 V C57
2021-12-22 09:23:54 s 1 +56823.142 0 +375916.68 8920.0 C57
2021-12-22 09:33:54 S 07 50 46.774 +19 44 12.62 V C57
2021-12-22 09:33:54 s 1 +56478.300 0 +376069.87 8520.0 C57
2021-12-22 10:03:54 S 07 50 41.642 +19 45 33.91 V C57
2021-12-22 10:03:54 s 1 +55442.856 0 +376523.56 4910.0 C57
2021-12-22 10:13:54 S 07 50 39.773 +19 46 02.71 V C57
2021-12-22 10:13:54 s 1 +55097.405 0 +376672.83 2920.0 C57
2021-12-22 10:23:54 S 07 50 38.098 +19 46 31.19 V C57
2021-12-22 10:23:54 s 1 +54751.805 0 +376821.11 550.0 C57
2021-12-22 10:33:54 S 07 50 36.336 +19 46 59.63 V C57
2021-12-22 10:33:54 s 1 +54406.056 0 +376968.41 7790.0 C57
2021-12-22 10:43:54 S 07 50 34.838 +19 47 23.82 V C57
2021-12-22 10:43:54 s 1 +54060.159 0 +377114.73 4660.0 C57
2021-12-22 10:53:54 S 07 50 33.115 +19 47 55.54 V C57
2021-12-22 10:53:54 s 1 +53714.115 0 +377260.07 1160.0 C57
2021-12-22 11:03:54 S 07 50 31.586 +19 48 18.97 V C57
2021-12-22 11:03:54 s 1 +53367.926 0 +377404.43 7290.0 C57
2021-12-22 11:13:54 S 07 50 29.606 +19 48 45.83 V C57
2021-12-22 11:13:54 s 1 +53021.592 0 +377547.81 3050.0 C57
2021-12-22 11:23:54 S 07 50 28.027 +19 49 11.78 V C57
2021-12-22 11:23:54 s 1 +52675.115 0 +377690.21 8450.0 C57
2021-12-22 11:33:53 S 07 50 26.534 +19 49 43.75 V C57
2021-12-22 11:33:53 s 1 +52328.495 0 +377831.63 3500.0 C57
2021-12-22 11:43:54 S 07 50 24.725 +19 50 09.71 V C57
2021-12-22 11:43:54 s 1 +51981.733 0 +377972.08 8190.0 C57
2021-12-22 11:53:54 S 07 50 22.778 +19 50 34.37 V C57
2021-12-22 11:53:54 s 1 +51634.831 0 +378111.54 2540.0 C57
2021-12-22 12:03:54 S 07 50 21.374 +19 51 03.89 V C57
2021-12-22 12:03:54 s 1 +51287.789 0 +378250.02 6550.0 C57
2021-12-22 12:13:54 S 07 50 19.805 +19 51 29.48 V C57
2021-12-22 12:13:54 s 1 +50940.609 0 +378387.53 210.0 C57