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
2017-04-13 03:24:38 C 09 51 54.72 +26 02 06.7 P V78
2017-04-13 03:29:27 C 09 51 50.88 +26 02 43.5 P V78
2017-04-13 06:41:55 C 09 49 21.18 +26 28 37.1 L T08
2017-04-13 07:03:26 C 09 49 03.21 +26 31 25.6 L T08
2017-04-13 07:32:41 C 09 48 38.72 +26 35 14.0 L T08
2017-04-13 07:47:47 C 09 48 26.07 +26 37 11.5 L T08
2017-04-13 20:10:41 C 09 38 01.60 +28 15 40.8 q B92
2017-04-13 20:14:23 C 09 37 57.62 +28 16 10.5 U K17
2017-04-13 20:19:24 C 09 37 52.99 +28 16 51.6 U K17
2017-04-13 20:19:26 C 09 37 53.58 +28 16 52.3 q B92
2017-04-13 20:21:46 C 09 37 50.83 +28 17 10.7 U K17
2017-04-13 20:26:46 C 09 37 46.25 +28 17 51.7 U K17
2017-04-13 20:31:47 C 09 37 41.63 +28 18 32.6 U K17
2017-04-13 20:36:55 C 09 37 37.51 +28 19 15.4 q B92
2017-04-13 20:54:23 C 09 37 21.44 +28 21 38.2 q B92
2017-04-14 04:11:50 C 09 30 36.55 +29 22 12.7 u H21
2017-04-14 04:13:54 C 09 30 34.54 +29 22 29.7 u H21
2017-04-14 04:15:58 C 09 30 32.52 +29 22 46.8 u H21
2017-04-14 04:18:01 C 09 30 30.51 +29 23 03.9 u H21
2017-04-14 04:20:06 C 09 30 28.49 +29 23 20.8 u H21
2017-04-14 04:22:09 C 09 30 26.47 +29 23 37.8 u H21
2017-04-14 04:24:13 C 09 30 24.46 +29 23 54.9 u H21
2017-04-14 04:26:17 C 09 30 22.45 +29 24 11.8 u H21
2017-04-14 04:28:21 C 09 30 20.42 +29 24 28.9 u H21
2017-04-14 04:30:25 C 09 30 18.42 +29 24 45.8 u H21
2017-04-14 04:32:28 C 09 30 16.42 +29 25 02.7 u H21
2017-04-14 04:34:31 C 09 30 14.42 +29 25 19.7 u H21
2017-04-14 04:36:34 C 09 30 12.40 +29 25 36.7 u H21
2017-04-14 04:38:24 C 09 30 10.61 +29 25 51.6 u H21
2017-04-14 05:31:14 09 29 21.09 +29 33 30.1 V04
2017-04-14 05:32:00 09 29 20.33 +29 33 36.5 V04
2017-04-14 05:32:33 09 29 19.79 +29 33 41.0 V04
2017-04-14 05:33:05 09 29 19.26 +29 33 45.4 V04
2017-04-14 17:25:10 S 09 17 29.782 +31 14 56.44 L C51
2017-04-14 18:59:36 S 09 15 49.428 +31 28 27.95 L C51
2017-04-14 21:30:06 C 09 13 01.73 +31 49 46.0 q J27
2017-04-14 21:35:58 C 09 12 55.15 +31 50 36.0 q J27
2017-04-14 21:43:43 C 09 12 46.41 +31 51 42.1 q J27
2017-04-15 21:18:01 C 08 44 24.82 +35 15 32.8 u Z64
2017-04-15 21:19:40 C 08 44 22.67 +35 15 46.3 u Z64
2017-04-15 21:21:17 C 08 44 20.36 +35 16 01.1 u Z64
2017-04-16 05:25:41 C 08 33 25.32 +36 25 24.4 L T08
2017-04-16 05:38:34 C 08 32 59.72 +36 25 28.6 P V78
2017-04-16 05:40:11 C 08 32 57.44 +36 25 41.7 P V78
2017-04-16 05:43:20 C 08 32 52.99 +36 26 07.4 P V78
2017-04-16 05:45:36 C 08 32 56.31 +36 28 10.3 L T08
2017-04-16 05:57:26 C 08 32 39.10 +36 29 48.3 L T08
2017-04-16 06:20:19 C 08 32 05.65 +36 32 57.5 L T08
2017-04-16 21:10:03 C 08 10 00.41 +38 30 47.7 q B92
2017-04-16 21:27:31 C 08 09 32.57 +38 32 58.4 q B92
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)