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
2022-01-04 15:43:53 S 07 01 54.098 +31 11 53.66 V C57
2022-01-04 15:43:53 s 1 +86966.870 0 +361139.73 9830.0 C57
2022-01-04 15:53:53 S 07 01 52.711 +31 12 05.80 V C57
2022-01-04 15:53:53 s 1 +86638.285 0 +361386.34 1900.0 C57
2022-01-04 16:03:53 S 07 01 51.588 +31 12 25.56 V C57
2022-01-04 16:03:53 s 1 +86309.452 0 +361631.97 3180.0 C57
2022-01-04 16:13:53 S 07 01 50.210 +31 12 38.56 V C57
2022-01-04 16:13:53 s 1 +85980.364 0 +361876.60 3640.0 C57
2022-01-04 16:33:53 S 07 01 47.354 +31 13 11.78 V C57
2022-01-04 16:33:53 s 1 +85321.442 0 +362362.88 2200.0 C57
2022-01-04 16:53:53 S 07 01 44.686 +31 13 43.36 V C57
2022-01-04 16:53:53 s 1 +84661.526 0 +362845.19 7590.0 C57
2022-01-04 17:03:53 S 07 01 42.828 +31 13 57.61 V C57
2022-01-04 17:03:53 s 1 +84331.203 0 +363084.88 4130.0 C57
2022-01-04 17:33:53 S 07 01 38.626 +31 14 46.72 V C57
2022-01-04 17:33:53 s 1 +83338.766 0 +363797.98 9110.0 C57
2022-01-04 17:43:53 S 07 01 37.711 +31 14 57.95 V C57
2022-01-04 17:43:53 s 1 +83007.470 0 +364033.71 2590.0 C57
2022-01-04 18:33:53 S 07 01 30.036 +31 16 23.92 V C57
2022-01-04 18:33:53 s 1 +81347.426 0 +365197.55 8780.0 C57
2022-01-04 18:43:53 S 07 01 28.519 +31 16 32.99 V C57
2022-01-04 18:43:53 s 1 +81014.711 0 +365427.36 7820.0 C57
2022-01-04 20:13:53 S 07 01 16.034 +31 18 57.06 V C57
2022-01-04 20:13:53 s 1 +78009.948 0 +367451.48 7240.0 C57
2022-01-04 20:43:53 S 07 01 11.693 +31 19 39.79 V C57
2022-01-04 20:43:53 s 1 +77004.317 0 +368108.55 1320.0 C57
2022-01-04 20:53:53 S 07 01 10.198 +31 19 53.22 V C57
2022-01-04 20:53:53 s 1 +76668.666 0 +368325.60 1340.0 C57
2022-01-04 21:03:53 S 07 01 08.914 +31 20 14.86 V C57
2022-01-04 21:03:53 s 1 +76332.800 0 +368541.70 720.0 C57
2022-01-04 21:13:53 S 07 01 07.716 +31 20 25.55 V C57
2022-01-04 21:13:53 s 1 +75996.715 0 +368756.81 9430.0 C57
2022-01-04 21:23:53 S 07 01 06.094 +31 20 45.74 V C57
2022-01-04 21:23:53 s 1 +75660.413 0 +368970.94 7490.0 C57
2022-01-04 21:33:53 S 07 01 05.201 +31 20 58.70 V C57
2022-01-04 21:33:53 s 1 +75323.900 0 +369184.11 4910.0 C57
2022-01-04 21:43:53 S 07 01 03.696 +31 21 15.30 V C57
2022-01-04 21:43:53 s 1 +74987.171 0 +369396.29 1690.0 C57
2022-01-04 22:03:53 S 07 01 01.025 +31 21 45.07 V C57
2022-01-04 22:03:53 s 1 +74313.079 0 +369817.74 3340.0 C57
2022-01-04 22:33:53 S 07 00 56.417 +31 22 31.91 V C57
2022-01-04 22:33:53 s 1 +73300.367 0 +370442.60 6140.0 C57
2022-01-04 22:43:53 S 07 00 55.392 +31 22 46.52 V C57
2022-01-04 22:43:53 s 1 +72962.380 0 +370648.94 9170.0 C57
2022-01-04 22:53:53 S 07 00 53.563 +31 23 07.08 V C57
2022-01-04 22:53:53 s 1 +72624.186 0 +370854.31 1590.0 C57
2022-01-04 23:03:53 S 07 00 52.056 +31 23 20.51 V C57
2022-01-04 23:03:53 s 1 +72285.792 0 +371058.72 3420.0 C57
2022-01-04 23:13:53 S 07 00 50.887 +31 23 31.78 V C57
2022-01-04 23:13:53 s 1 +71947.190 0 +371262.14 4650.0 C57