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
2022-01-03 06:03:53 S 07 06 42.461 +30 16 15.46 V C57
2022-01-03 06:03:53 s 1 +146210.75 0 +290050.53 5800.0 C57
2022-01-03 06:13:53 S 07 06 40.920 +30 16 40.19 V C57
2022-01-03 06:13:53 s 1 +145963.71 4 +290512.15 550.0 C57
2022-01-03 06:23:53 S 07 06 39.617 +30 16 58.15 V C57
2022-01-03 06:23:53 s 1 +145716.08 5 +290972.61 3050.0 C57
2022-01-03 06:33:53 S 07 06 38.182 +30 17 09.78 V C57
2022-01-03 06:33:53 s 1 +145467.86 3 +291431.92 3300.0 C57
2022-01-03 06:43:53 S 07 06 36.751 +30 17 29.47 V C57
2022-01-03 06:43:53 s 1 +145219.05 3 +291890.07 1320.0 C57
2022-01-03 06:53:53 S 07 06 35.184 +30 17 46.36 V C57
2022-01-03 06:53:53 s 1 +144969.65 5 +292347.08 7120.0 C57
2022-01-03 07:03:53 S 07 06 33.742 +30 18 00.14 V C57
2022-01-03 07:03:53 s 1 +144719.67 3 +292802.93 710.0 C57
2022-01-03 07:13:53 S 07 06 32.532 +30 18 20.27 V C57
2022-01-03 07:13:53 s 1 +144469.10 8 +293257.64 2090.0 C57
2022-01-03 07:23:53 S 07 06 30.821 +30 18 37.87 V C57
2022-01-03 07:23:53 s 1 +144217.96 4 +293711.20 1290.0 C57
2022-01-03 07:33:53 S 07 06 29.669 +30 18 53.35 V C57
2022-01-03 07:33:53 s 1 +143966.24 3 +294163.61 8300.0 C57
2022-01-03 07:43:53 S 07 06 28.291 +30 19 13.66 V C57
2022-01-03 07:43:53 s 1 +143713.94 7 +294614.88 3140.0 C57
2022-01-03 07:53:53 S 07 06 26.484 +30 19 31.80 V C57
2022-01-03 07:53:53 s 1 +143461.07 8 +295065.00 5820.0 C57
2022-01-03 08:03:53 S 07 06 24.970 +30 19 49.12 V C57
2022-01-03 08:03:53 s 1 +143207.63 9 +295513.98 6340.0 C57
2022-01-03 08:33:53 S 07 06 21.202 +30 20 36.67 V C57
2022-01-03 08:33:53 s 1 +142443.92 3 +296854.06 5100.0 C57
2022-01-03 08:43:53 S 07 06 19.397 +30 20 56.54 V C57
2022-01-03 08:43:53 s 1 +142188.22 6 +297298.48 7120.0 C57
2022-01-03 08:53:53 S 07 06 18.089 +30 21 15.41 V C57
2022-01-03 08:53:53 s 1 +141931.97 0 +297741.76 7030.0 C57
2022-01-03 09:03:53 S 07 06 16.687 +30 21 26.64 V C57
2022-01-03 09:03:53 s 1 +141675.15 8 +298183.90 4850.0 C57
2022-01-03 09:13:53 S 07 06 15.348 +30 21 48.42 V C57
2022-01-03 09:13:53 s 1 +141417.79 2 +298624.90 580.0 C57
2022-01-03 09:23:53 S 07 06 13.486 +30 22 03.22 V C57
2022-01-03 09:23:53 s 1 +141159.87 4 +299064.77 4240.0 C57
2022-01-03 09:43:53 S 07 06 10.742 +30 22 34.18 V C57
2022-01-03 09:43:53 s 1 +140642.39 1 +299941.11 5370.0 C57
2022-01-03 10:03:53 S 07 06 07.841 +30 23 12.34 V C57
2022-01-03 10:03:53 s 1 +140122.72 7 +300812.92 8320.0 C57
2022-01-03 10:33:53 S 07 06 03.974 +30 24 05.33 V C57
2022-01-03 10:33:53 s 1 +139339.18 3 +302112.16 2560.0 C57
2022-01-03 10:43:53 S 07 06 02.230 +30 24 20.34 V C57
2022-01-03 10:43:53 s 1 +139076.93 0 +302542.98 9960.0 C57
2022-01-03 10:53:53 S 07 06 00.830 +30 24 36.58 V C57
2022-01-03 10:53:53 s 1 +138814.14 5 +302972.68 5370.0 C57
2022-01-03 11:03:53 S 07 05 59.676 +30 24 55.58 V C57
2022-01-03 11:03:53 s 1 +138550.83 1 +303401.26 8800.0 C57