IAA RAS IAA Minor Planet Database

250458 (2004 BO41)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4928646673 ± 5.20e-08
Semi-major axis (a)1.0185820640 AU ± 1.92e-09
Inclination (i)35.55392580° ± 4.76e-06
Long. of Asc. Node (Ω)337.73161584° ± 1.98e-06
Arg. of Perihelion (ω)254.46071173° ± 4.15e-06
Mean Anomaly (M)35.94465313° ± 1.19e-05
Mean Motion (n)0.9587783956°/day ± 2.72e-09
Perihelion dist (q)0.51655895 AU ± 5.29e-08
Aphelion dist (Q)1.52060517 AU ± 5.30e-08
Orbital Period1.02800218 yr ± 2.91e-09
Physical Parameters
H (abs. magnitude)17.99
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.223″
Uncertainty0
Orbit TypeApollo
MOID0.090560 AU
Observations Used769
Radar Obs Used1
Gaia Obs Used14
Oppositions1
Arc Total2004-2016
First Observation Used2004-01-23
Last Observation Used2023-12-18
Observations (847)
Date Type RA Dec Mag Band Observatory
2016-09-16 18:44:47 C 17 45 15.33 +35 42 34.7 – q 585
2016-09-16 18:45:04 C 17 45 15.54 +35 42 34.5 – q 585
2016-09-16 18:45:20 C 17 45 15.68 +35 42 34.4 – q 585
2016-09-16 18:45:37 C 17 45 15.85 +35 42 34.4 – q 585
2016-09-16 18:45:53 C 17 45 16.02 +35 42 34.2 – q 585
2016-09-16 18:46:09 C 17 45 16.17 +35 42 34.2 – q 585
2016-09-16 18:46:25 C 17 45 16.33 +35 42 34.1 – q 585
2016-09-16 18:46:41 C 17 45 16.46 +35 42 34.1 – q 585
2016-09-16 18:46:58 C 17 45 16.62 +35 42 33.9 – q 585
2016-09-16 18:47:14 C 17 45 16.81 +35 42 33.9 – q 585
2016-09-16 18:47:30 C 17 45 16.94 +35 42 33.9 – q 585
2016-09-16 18:47:46 C 17 45 17.11 +35 42 33.6 – q 585
2016-09-16 18:48:03 C 17 45 17.25 +35 42 33.7 – q 585
2016-09-16 18:48:19 C 17 45 17.42 +35 42 33.6 – q 585
2016-09-16 18:48:35 C 17 45 17.56 +35 42 33.6 – q 585
2016-09-16 18:48:51 C 17 45 17.75 +35 42 33.3 – q 585
2016-09-16 18:49:07 C 17 45 17.88 +35 42 33.1 – q 585
2016-09-16 18:49:24 C 17 45 18.05 +35 42 33.1 – q 585
2016-09-16 18:49:39 C 17 45 18.21 +35 42 33.1 – q 585
2016-09-16 18:49:56 C 17 45 18.35 +35 42 33.0 – q 585
2016-09-16 18:50:12 C 17 45 18.52 +35 42 33.1 – q 585
2016-09-16 18:50:29 C 17 45 18.68 +35 42 32.9 – q 585
2016-09-16 18:50:45 C 17 45 18.84 +35 42 32.7 – q 585
2016-09-16 18:51:01 C 17 45 18.99 +35 42 32.6 – q 585
2016-09-16 18:51:17 C 17 45 19.14 +35 42 32.6 – q 585
2016-09-16 18:51:33 C 17 45 19.30 +35 42 32.6 – q 585
2016-09-16 18:51:50 C 17 45 19.45 +35 42 32.5 – q 585
2016-09-16 18:52:06 C 17 45 19.63 +35 42 32.4 – q 585
2016-09-16 18:52:23 C 17 45 19.78 +35 42 32.5 – q 585
2016-09-16 18:52:38 C 17 45 19.93 +35 42 32.2 – q 585
2016-09-16 18:52:55 C 17 45 20.11 +35 42 32.1 – q 585
2016-09-16 18:53:11 C 17 45 20.26 +35 42 31.6 – q 585
2016-09-16 18:53:28 C 17 45 20.44 +35 42 32.1 – q 585
2016-09-16 18:53:43 C 17 45 20.57 +35 42 31.9 – q 585
2016-09-16 18:54:00 C 17 45 20.72 +35 42 31.7 – q 585
2016-09-16 18:54:16 C 17 45 20.88 +35 42 31.7 – q 585
2016-09-16 18:54:32 C 17 45 21.05 +35 42 31.4 – q 585
2016-09-16 18:54:49 C 17 45 21.17 +35 42 31.5 – q 585
2016-09-16 18:55:05 C 17 45 21.35 +35 42 31.6 – q 585
2016-09-16 18:55:21 C 17 45 21.53 +35 42 31.3 – q 585
2016-09-16 18:55:37 C 17 45 21.69 +35 42 31.4 – q 585
2016-09-16 18:55:54 C 17 45 21.84 +35 42 31.2 – q 585
2016-09-16 18:56:10 C 17 45 22.01 +35 42 31.0 – q 585
2016-09-16 18:56:26 C 17 45 22.15 +35 42 31.1 – q 585
2016-09-16 18:56:42 C 17 45 22.31 +35 42 30.9 – q 585
2016-09-16 18:56:58 C 17 45 22.51 +35 42 30.6 – q 585
2016-09-16 18:57:15 C 17 45 22.62 +35 42 31.0 – q 585
2016-09-16 18:57:31 C 17 45 22.79 +35 42 30.6 – q 585
2016-09-16 18:57:37 C 17 45 23.93 +35 42 43.7 – q 006
2016-09-16 18:57:48 C 17 45 22.93 +35 42 30.5 – q 585
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2016-09-07 20:05:00 100016508.18 0.5 us 2380 -1 -1
2016-09-08 18:48:00 -80220.7694 0.3 Hz 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)