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
2022-01-02 19:13:53 S 07 08 15.458 +29 57 21.96 V C57
2022-01-02 19:13:53 s 1 +160866.45 2 +257514.89 9770.0 C57
2022-01-02 19:23:53 S 07 08 14.386 +29 57 41.72 V C57
2022-01-02 19:23:53 s 1 +160663.88 1 +258054.02 5550.0 C57
2022-01-02 19:43:53 S 07 08 11.510 +29 58 17.11 V C57
2022-01-02 19:43:53 s 1 +160256.40 0 +259128.58 8010.0 C57
2022-01-02 19:53:53 S 07 08 09.715 +29 58 36.05 V C57
2022-01-02 19:53:53 s 1 +160051.49 7 +259664.02 4720.0 C57
2022-01-02 20:03:53 S 07 08 08.722 +29 58 54.80 V C57
2022-01-02 20:03:53 s 1 +159845.82 2 +260198.23 8430.0 C57
2022-01-02 20:13:53 S 07 08 07.212 +29 59 10.79 V C57
2022-01-02 20:13:53 s 1 +159639.38 0 +260731.22 9160.0 C57
2022-01-02 20:23:53 S 07 08 05.738 +29 59 26.77 V C57
2022-01-02 20:23:53 s 1 +159432.17 3 +261262.98 6920.0 C57
2022-01-02 20:33:53 S 07 08 04.123 +29 59 49.85 V C57
2022-01-02 20:33:53 s 1 +159224.20 6 +261793.51 1720.0 C57
2022-01-02 20:43:53 S 07 08 02.674 +30 00 02.16 V C57
2022-01-02 20:43:53 s 1 +159015.48 0 +262322.83 3590.0 C57
2022-01-02 21:33:53 S 07 07 55.810 +30 01 33.10 V C57
2022-01-02 21:33:53 s 1 +157960.59 8 +264951.09 9240.0 C57
2022-01-02 21:43:53 S 07 07 54.082 +30 01 48.79 V C57
2022-01-02 21:43:53 s 1 +157747.39 4 +265473.09 3730.0 C57
2022-01-02 21:53:53 S 07 07 52.836 +30 02 02.18 V C57
2022-01-02 21:53:53 s 1 +157533.45 3 +265993.88 5380.0 C57
2022-01-02 22:03:53 S 07 07 51.182 +30 02 24.22 V C57
2022-01-02 22:03:53 s 1 +157318.78 1 +266513.45 4190.0 C57
2022-01-02 22:13:53 S 07 07 49.944 +30 02 38.69 V C57
2022-01-02 22:13:53 s 1 +157103.37 9 +267031.82 180.0 C57
2022-01-02 22:23:53 S 07 07 48.410 +30 02 58.96 V C57
2022-01-02 22:23:53 s 1 +156887.25 0 +267548.97 3360.0 C57
2022-01-02 22:33:53 S 07 07 47.069 +30 03 14.87 V C57
2022-01-02 22:33:53 s 1 +156670.39 9 +268064.91 3750.0 C57
2022-01-02 22:43:53 S 07 07 45.504 +30 03 36.54 V C57
2022-01-02 22:43:53 s 1 +156452.82 8 +268579.65 1350.0 C57
2022-01-02 22:53:53 S 07 07 44.318 +30 03 54.68 V C57
2022-01-02 22:53:53 s 1 +156234.54 0 +269093.18 6180.0 C57
2022-01-02 23:03:53 S 07 07 42.586 +30 04 09.88 V C57
2022-01-02 23:03:53 s 1 +156015.53 7 +269605.50 8260.0 C57
2022-01-02 23:13:53 S 07 07 41.203 +30 04 27.59 V C57
2022-01-02 23:13:53 s 1 +155795.82 4 +270116.62 7590.0 C57
2022-01-02 23:43:53 S 07 07 37.068 +30 05 17.52 V C57
2022-01-02 23:43:53 s 1 +155132.44 9 +271642.77 9240.0 C57
2022-01-02 23:53:53 S 07 07 35.162 +30 05 36.67 V C57
2022-01-02 23:53:53 s 1 +154909.92 2 +272149.09 7720.0 C57
2022-01-03 00:03:53 S 07 07 34.092 +30 05 54.42 V C57
2022-01-03 00:03:53 s 1 +154686.69 9 +272654.20 3520.0 C57
2022-01-03 00:13:53 S 07 07 32.630 +30 06 06.77 V C57
2022-01-03 00:13:53 s 1 +154462.78 3 +273158.12 6650.0 C57
2022-01-03 00:23:53 S 07 07 31.464 +30 06 28.48 V C57
2022-01-03 00:23:53 s 1 +154238.17 7 +273660.85 7120.0 C57