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
2017-04-09 20:05:06 C 10 38 03.82 +17 26 54.8 q K73
2017-04-09 20:10:16 C 10 38 01.46 +17 27 22.5 q K73
2017-04-09 20:15:25 C 10 37 59.11 +17 27 49.5 q K73
2017-04-09 20:20:32 C 10 37 56.78 +17 28 17.1 q K73
2017-04-09 20:25:41 C 10 37 54.44 +17 28 44.3 q K73
2017-04-09 20:30:48 C 10 37 52.10 +17 29 11.8 q K73
2017-04-09 20:36:05 C 10 37 49.71 +17 29 39.4 q K73
2017-04-09 20:41:14 C 10 37 47.39 +17 30 06.7 q K73
2017-04-09 21:51:14 C 10 37 17.02 +17 36 22.5 q J27
2017-04-09 21:58:22 C 10 37 13.74 +17 37 00.7 q J27
2017-04-09 22:05:19 C 10 37 10.53 +17 37 37.9 q J27
2017-04-09 22:42:06 C 10 36 52.13 +17 40 41.1 u 118
2017-04-09 22:51:02 C 10 36 48.04 +17 41 28.8 u 118
2017-04-10 00:11:56 C 10 36 11.19 +17 48 40.7 u 118
2017-04-10 08:28:33 C 10 32 26.88 +18 35 26.0 L T05
2017-04-10 08:53:53 C 10 32 14.22 +18 37 49.1 L T05
2017-04-10 09:01:36 C 10 32 10.38 +18 38 32.3 L T05
2017-04-10 09:24:40 C 10 31 58.87 +18 40 42.0 L T05
2017-04-10 09:36:58 C 10 31 52.71 +18 41 51.4 L T05
2017-04-10 23:32:40 C 10 24 57.07 +20 03 24.6 q J27
2017-04-10 23:38:03 C 10 24 54.14 +20 03 57.3 q J27
2017-04-10 23:47:34 C 10 24 48.98 +20 04 54.5 q J27
2017-04-11 19:15:23 C 10 13 57.47 +22 09 38.9 U K38
2017-04-11 19:27:32 C 10 13 49.83 +22 11 01.1 U K38
2017-04-11 19:39:57 C 10 13 42.03 +22 12 24.8 U K38
2017-04-11 19:49:04 C 10 13 36.98 +22 13 13.5 q Z52
2017-04-11 19:52:19 C 10 13 34.21 +22 13 48.3 U K38
2017-04-11 20:04:42 C 10 13 26.39 +22 15 12.1 U K38
2017-04-11 20:16:49 C 10 13 19.56 +22 16 21.3 q Z52
2017-04-11 20:17:40 C 10 13 18.18 +22 16 39.6 U K38
2017-04-11 20:46:14 C 10 13 01.02 +22 19 40.5 q Z52
2017-04-11 21:23:15 C 10 12 36.78 +22 24 01.6 U K17
2017-04-11 21:40:59 C 10 12 25.46 +22 26 01.3 U K17
2017-04-11 21:56:25 C 10 12 15.63 +22 27 45.6 U K17
2017-04-11 22:11:30 C 10 12 06.79 +22 29 21.5 q J69
2017-04-11 22:15:16 C 10 12 04.39 +22 29 47.1 q J69
2017-04-11 22:15:38 C 10 12 03.33 +22 29 55.3 U K17
2017-04-11 22:19:02 C 10 12 01.98 +22 30 12.5 q J69
2017-04-11 22:21:12 C 10 11 59.77 +22 30 32.9 U K17
2017-04-11 22:26:11 C 10 11 56.57 +22 31 06.8 U K17
2017-04-11 22:31:11 C 10 11 53.38 +22 31 40.4 U K17
2017-04-12 02:42:29 C 10 09 19.13 +23 00 36.9 P V78
2017-04-12 02:43:58 C 10 09 18.15 +23 00 47.9 P V78
2017-04-12 02:47:02 C 10 09 16.14 +23 01 08.9 P V78
2017-04-12 03:37:59 C 10 08 41.29 +23 07 14.8 u H21
2017-04-12 03:40:30 C 10 08 39.59 +23 07 32.4 u H21
2017-04-12 03:43:01 C 10 08 37.91 +23 07 49.9 u H21
2017-04-12 03:45:33 C 10 08 36.22 +23 08 07.4 u H21
2017-04-12 03:48:04 C 10 08 34.52 +23 08 24.8 u H21
2017-04-12 03:50:35 C 10 08 32.83 +23 08 42.4 u H21
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)