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
2017-04-06 07:23:38 C 11 06 33.25 +11 20 45.9 q H45
2017-04-06 07:25:01 C 11 06 32.86 +11 20 50.6 q H45
2017-04-06 07:26:41 C 11 06 32.41 +11 20 56.4 q H45
2017-04-06 07:27:35 C 11 06 32.16 +11 20 59.5 q H45
2017-04-06 19:54:13 C 11 03 14.43 +12 05 23.1 q Z52
2017-04-06 20:51:51 C 11 02 57.52 +12 09 00.6 q Z80
2017-04-06 20:53:37 C 11 02 56.99 +12 09 06.9 q Z80
2017-04-06 20:55:24 C 11 02 56.45 +12 09 13.6 q Z80
2017-04-06 20:57:10 C 11 02 55.96 +12 09 20.1 q Z80
2017-04-06 20:58:56 C 11 02 55.41 +12 09 26.9 q Z80
2017-04-06 21:00:42 C 11 02 54.89 +12 09 33.3 q Z80
2017-04-06 21:02:28 C 11 02 54.36 +12 09 40.0 q Z80
2017-04-06 21:02:51 C 11 02 54.23 +12 09 40.0 q Z52
2017-04-06 21:04:14 C 11 02 53.84 +12 09 46.4 q Z80
2017-04-06 21:06:01 C 11 02 53.31 +12 09 53.3 q Z80
2017-04-06 21:17:09 C 11 02 49.44 +12 10 43.9 t 160
2017-04-06 21:19:00 C 11 02 48.85 +12 10 50.4 t 160
2017-04-06 21:20:52 C 11 02 48.25 +12 10 57.2 t 160
2017-04-06 21:26:46 C 11 02 47.14 +12 11 09.1 q Z52
2017-04-06 21:50:21 C 11 02 40.13 +12 12 37.2 q Z52
2017-04-07 02:34:34 C 11 01 20.05 +12 30 37.9 P V78
2017-04-07 02:39:51 C 11 01 18.41 +12 30 58.1 P V78
2017-04-07 02:44:15 C 11 01 17.09 +12 31 14.4 P V78
2017-04-07 19:00:23 C 10 56 19.94 +13 36 07.7 q K73
2017-04-07 19:05:32 C 10 56 18.18 +13 36 29.1 q K73
2017-04-07 19:10:35 C 10 56 16.49 +13 36 50.2 q K73
2017-04-07 19:15:38 C 10 56 14.80 +13 37 11.0 q K73
2017-04-07 19:20:41 C 10 56 13.09 +13 37 32.1 q K73
2017-04-07 19:25:47 C 10 56 11.37 +13 37 53.1 q K73
2017-04-07 19:30:53 C 10 56 09.64 +13 38 14.6 q K73
2017-04-07 19:36:59 C 10 56 07.57 +13 38 40.5 q K73
2017-04-07 19:42:04 C 10 56 05.63 +13 39 01.7 q K73
2017-04-07 19:44:43 C 10 56 05.63 +13 38 57.0 q Z52
2017-04-07 19:47:10 C 10 56 04.10 +13 39 22.4 q K73
2017-04-07 19:52:15 C 10 56 02.38 +13 39 43.9 q K73
2017-04-07 19:57:22 C 10 56 00.65 +13 40 05.3 q K73
2017-04-07 20:02:34 C 10 55 58.87 +13 40 28.1 q K73
2017-04-07 20:10:52 C 10 55 56.88 +13 40 46.7 q Z52
2017-04-07 20:12:46 C 10 55 55.46 +13 41 11.1 q K73
2017-04-07 20:28:58 C 10 55 50.85 +13 42 04.8 q J69
2017-04-07 20:31:57 C 10 55 49.80 +13 42 15.0 q Z52
2017-04-07 20:36:31 C 10 55 48.31 +13 42 36.4 q J69
2017-04-07 20:44:03 C 10 55 45.78 +13 43 07.9 q J69
2017-04-07 20:52:09 C 10 55 43.00 +13 43 39.7 q Z52
2017-04-07 21:26:49 C 10 55 30.12 +13 46 19.0 q K73
2017-04-07 21:26:58 C 10 55 30.10 +13 46 19.4 q K73
2017-04-07 21:32:02 C 10 55 28.36 +13 46 40.6 q K73
2017-04-07 21:37:05 C 10 55 26.61 +13 47 01.8 q K73
2017-04-07 21:42:10 C 10 55 24.87 +13 47 23.1 q K73
2017-04-08 19:48:50 C 10 47 48.01 +15 25 20.6 q Z52
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)