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
2021-12-12 18:03:54 S 08 27 07.243 +07 51 20.02 V C57
2021-12-12 18:03:54 s 1 -136037.83 5 +300874.38 5870.0 C57
2021-12-12 18:13:54 S 08 27 05.640 +07 51 48.96 V C57
2021-12-12 18:13:54 s 1 -136298.74 1 +300446.53 5050.0 C57
2021-12-12 18:23:54 S 08 27 04.198 +07 52 14.52 V C57
2021-12-12 18:23:54 s 1 -136559.13 4 +300017.55 1830.0 C57
2021-12-12 18:33:54 S 08 27 02.222 +07 52 54.88 V C57
2021-12-12 18:33:54 s 1 -136819.01 2 +299587.43 6200.0 C57
2021-12-12 18:43:54 S 08 27 01.010 +07 53 21.26 V C57
2021-12-12 18:43:54 s 1 -137078.37 3 +299156.18 8140.0 C57
2021-12-12 18:53:54 S 08 26 59.196 +07 53 55.00 V C57
2021-12-12 18:53:54 s 1 -137337.21 4 +298723.79 7660.0 C57
2021-12-12 18:54:07 C 08 26 43.25 +07 54 57.2 V D29
2021-12-12 19:03:54 S 08 26 57.569 +07 54 31.97 V C57
2021-12-12 19:03:54 s 1 -137595.53 4 +298290.27 4730.0 C57
2021-12-12 19:13:12 C 08 26 40.23 +07 55 59.5 V D29
2021-12-12 19:13:54 S 08 26 55.829 +07 55 03.18 V C57
2021-12-12 19:13:54 s 1 -137853.33 0 +297855.61 9350.0 C57
2021-12-12 19:23:54 S 08 26 54.341 +07 55 36.23 V C57
2021-12-12 19:23:54 s 1 -138110.60 1 +297419.81 1520.0 C57
2021-12-12 19:32:18 C 08 26 37.21 +07 57 01.5 V D29
2021-12-12 19:33:54 S 08 26 52.142 +07 56 04.88 V C57
2021-12-12 19:33:54 s 1 -138367.34 2 +296982.87 1210.0 C57
2021-12-12 19:43:54 S 08 26 51.043 +07 56 39.23 V C57
2021-12-12 19:43:54 s 1 -138623.55 4 +296544.78 8430.0 C57
2021-12-12 19:53:54 S 08 26 49.270 +07 57 08.82 V C57
2021-12-12 19:53:54 s 1 -138879.23 2 +296105.56 3160.0 C57
2021-12-12 20:03:54 S 08 26 47.515 +07 57 47.88 V C57
2021-12-12 20:03:54 s 1 -139134.37 6 +295665.20 5380.0 C57
2021-12-12 20:13:54 S 08 26 46.066 +07 58 15.96 V C57
2021-12-12 20:13:54 s 1 -139388.98 2 +295223.69 5110.0 C57
2021-12-12 20:43:54 S 08 26 40.927 +07 59 52.98 V C57
2021-12-12 20:43:54 s 1 -140149.55 3 +293892.28 9120.0 C57
2021-12-12 20:53:54 S 08 26 39.374 +08 00 24.23 V C57
2021-12-12 20:53:54 s 1 -140401.98 6 +293446.19 8710.0 C57
2021-12-12 21:03:54 S 08 26 37.738 +08 00 59.65 V C57
2021-12-12 21:03:54 s 1 -140653.87 0 +292998.94 5740.0 C57
2021-12-12 21:13:54 S 08 26 36.226 +08 01 30.25 V C57
2021-12-12 21:13:54 s 1 -140905.20 3 +292550.54 210.0 C57
2021-12-12 21:33:54 S 08 26 32.755 +08 02 34.62 V C57
2021-12-12 21:33:54 s 1 -141406.20 6 +291650.30 1390.0 C57
2021-12-12 21:43:54 S 08 26 31.301 +08 03 08.06 V C57
2021-12-12 21:43:54 s 1 -141655.87 1 +291198.44 8090.0 C57
2021-12-12 21:53:54 S 08 26 29.510 +08 03 39.74 V C57
2021-12-12 21:53:54 s 1 -141904.97 5 +290745.43 2170.0 C57
2021-12-12 22:03:54 S 08 26 28.205 +08 04 11.03 V C57
2021-12-12 22:03:54 s 1 -142153.51 6 +290291.27 3640.0 C57
2021-12-12 22:13:54 S 08 26 26.206 +08 04 45.66 V C57
2021-12-12 22:13:54 s 1 -142401.49 1 +289835.95 2490.0 C57
2021-12-12 22:23:54 S 08 26 24.593 +08 05 11.08 V C57