143404 (2003 BD44)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6077342662 ± 5.97e-09
Semi-major axis (a)1.9673954890 AU ± 8.99e-10
Inclination (i)2.66379044° ± 1.03e-06
Long. of Asc. Node (Ω)181.16269684° ± 8.92e-06
Arg. of Perihelion (ω)89.39540317° ± 9.00e-06
Mean Anomaly (M)25.11462466° ± 8.46e-07
Mean Motion (n)0.3571698318°/day ± 2.45e-10
Perihelion dist (q)0.77174184 AU ± 1.17e-08
Aphelion dist (Q)3.16304914 AU ± 1.18e-08
Orbital Period2.75954517 yr ± 1.89e-09
Physical Parameters
H (abs. magnitude)16.95
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.161″
Uncertainty0
Orbit TypeApollo
MOID0.017661 AU
Observations Used1365
Radar Obs Used3
Gaia Obs Used56
Oppositions23
Arc Total1981-2025
First Observation Used1981-02-28
Last Observation Used2025-12-06
Observations (1504)
Date Type RA Dec Mag Band Observatory
2017-04-08 20:00:49 C 10 47 42.78 +15 26 22.0 q K74
2017-04-08 20:01:19 C 10 47 42.34 +15 26 36.0 q K73
2017-04-08 20:02:44 C 10 47 42.05 +15 26 30.8 q K74
2017-04-08 20:03:26 C 10 47 41.78 +15 26 34.4 q K74
2017-04-08 20:05:15 C 10 47 41.07 +15 26 43.0 q K74
2017-04-08 20:06:23 C 10 47 40.36 +15 26 59.8 q K73
2017-04-08 20:11:27 C 10 47 38.38 +15 27 23.9 q K73
2017-04-08 20:16:31 C 10 47 36.37 +15 27 47.6 q K73
2017-04-08 20:21:35 C 10 47 34.37 +15 28 11.6 q K73
2017-04-08 20:26:39 C 10 47 32.41 +15 28 35.4 q K73
2017-04-08 20:31:43 C 10 47 30.42 +15 28 59.2 q K73
2017-04-08 20:36:24 C 10 47 29.64 +15 29 05.4 q Z52
2017-04-08 20:36:53 C 10 47 28.41 +15 29 23.3 q K73
2017-04-08 20:41:55 C 10 47 26.41 +15 29 47.2 q K73
2017-04-08 20:45:30 C 10 47 26.13 +15 30 03.7 q 006
2017-04-08 20:46:59 C 10 47 24.43 +15 30 11.0 q K73
2017-04-08 20:47:45 C 10 47 25.21 +15 30 14.2 q 006
2017-04-08 20:49:33 C 10 47 24.52 +15 30 22.8 q 006
2017-04-08 20:51:28 C 10 47 23.76 +15 30 31.7 q 006
2017-04-08 20:52:03 C 10 47 22.43 +15 30 34.9 q K73
2017-04-08 20:53:16 C 10 47 23.07 +15 30 40.2 q 006
2017-04-08 20:55:04 C 10 47 22.35 +15 30 48.8 q 006
2017-04-08 20:56:52 C 10 47 21.67 +15 30 57.7 q 006
2017-04-08 20:57:07 C 10 47 20.42 +15 30 58.5 q K73
2017-04-08 21:16:05 C 10 47 14.20 +15 32 13.3 q Z52
2017-04-08 22:18:21 C 10 46 49.93 +15 37 25.0 u J27
2017-04-08 22:21:40 C 10 46 48.62 +15 37 40.7 u J27
2017-04-08 22:27:49 C 10 46 46.21 +15 38 09.7 u J27
2017-04-09 00:36:23 C 10 45 54.97 +15 48 04.9 t 510
2017-04-09 00:42:29 C 10 45 52.57 +15 48 33.8 t 510
2017-04-09 00:45:32 C 10 45 51.38 +15 48 48.3 t 510
2017-04-09 00:51:38 C 10 45 49.00 +15 49 17.4 t 510
2017-04-09 00:57:44 C 10 45 46.61 +15 49 46.5 t 510
2017-04-09 01:03:50 C 10 45 44.22 +15 50 15.5 t 510
2017-04-09 01:09:56 C 10 45 41.84 +15 50 44.6 t 510
2017-04-09 02:17:19 C 10 45 20.96 +15 56 33.7 u H21
2017-04-09 02:19:16 C 10 45 20.16 +15 56 43.3 u H21
2017-04-09 02:21:14 C 10 45 19.37 +15 56 52.7 u H21
2017-04-09 02:23:11 C 10 45 18.58 +15 57 02.3 u H21
2017-04-09 02:25:09 C 10 45 17.77 +15 57 12.0 u H21
2017-04-09 02:27:07 C 10 45 16.97 +15 57 21.7 u H21
2017-04-09 02:29:04 C 10 45 16.18 +15 57 31.1 u H21
2017-04-09 02:31:01 C 10 45 15.38 +15 57 40.4 u H21
2017-04-09 02:32:58 C 10 45 14.59 +15 57 50.1 u H21
2017-04-09 02:34:55 C 10 45 13.81 +15 57 59.6 u H21
2017-04-09 02:36:40 C 10 45 13.08 +15 58 08.1 u H21
2017-04-09 19:44:35 C 10 38 13.14 +17 25 05.8 q K73
2017-04-09 19:49:42 C 10 38 10.83 +17 25 33.2 q K73
2017-04-09 19:54:50 C 10 38 08.50 +17 26 00.4 q K73
2017-04-09 19:59:57 C 10 38 06.16 +17 26 27.6 q K73
Radar Observations (3)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2017-04-14 00:06:00 67010614.67 1 us 2380 -1 -1
2017-04-16 04:00:00 59008729.31 1.5 us 8560 -14 -14
2017-04-17 02:00:00 56937351.73 1.5 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)