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
2017-03-26 07:31:27 C 11 47 33.78 +02 07 32.4 q 703
2017-03-26 20:41:08 C 11 46 21.87 +02 23 51.7 13.1 q Z43
2017-03-26 21:10:48 n 11 46 18.84 +02 24 30.5 13.2 q Z43
2017-03-26 21:41:50 n 11 46 15.64 +02 25 10.3 13.2 q Z43
2017-03-27 23:33:44 C 11 43 39.16 +03 00 00.5 q 160
2017-03-27 23:35:38 C 11 43 38.94 +03 00 03.2 q 160
2017-03-27 23:37:32 C 11 43 38.73 +03 00 06.0 q 160
2017-03-28 07:43:07 C 11 42 46.52 +03 11 44.0 q H45
2017-03-28 07:44:05 C 11 42 46.41 +03 11 45.4 q H45
2017-03-28 07:45:09 C 11 42 46.29 +03 11 46.8 q H45
2017-03-28 07:46:01 C 11 42 46.19 +03 11 48.1 q H45
2017-03-28 07:46:52 C 11 42 46.08 +03 11 49.3 q H45
2017-03-28 07:47:42 C 11 42 45.99 +03 11 50.6 q H45
2017-03-28 11:21:34 C 11 42 23.13 +03 17 13.1 L T05
2017-03-28 11:47:07 C 11 42 20.07 +03 17 50.4 L T05
2017-03-28 12:11:52 C 11 42 17.11 +03 18 26.6 L T05
2017-03-28 12:38:18 C 11 42 13.96 +03 19 05.2 L T05
2017-03-28 13:00:59 C 11 42 11.28 +03 19 38.5 L T05
2017-03-28 20:46:32 C 11 41 23.06 +03 30 56.3 q 151
2017-03-28 20:48:30 C 11 41 22.82 +03 30 59.4 q 151
2017-03-28 20:50:28 C 11 41 22.58 +03 31 02.3 q 151
2017-03-28 20:52:27 C 11 41 22.34 +03 31 05.4 q 151
2017-03-28 20:54:25 C 11 41 22.11 +03 31 08.4 q 151
2017-03-28 20:56:23 C 11 41 21.87 +03 31 11.4 q 151
2017-03-28 20:58:23 C 11 41 21.63 +03 31 14.4 q 151
2017-03-28 21:00:20 C 11 41 21.39 +03 31 17.4 q 151
2017-03-28 21:02:31 C 11 41 21.49 +03 31 24.4 q 006
2017-03-28 21:06:52 C 11 41 20.99 +03 31 30.5 q 006
2017-03-28 21:11:13 C 11 41 20.47 +03 31 37.3 q 006
2017-03-28 21:15:33 C 11 41 19.92 +03 31 44.4 q 006
2017-03-29 04:26:28 C 11 40 30.41 +03 42 44.1 P V78
2017-03-29 04:49:10 C 11 40 27.58 +03 43 19.5 P V78
2017-03-29 05:15:50 C 11 40 24.22 +03 44 01.6 P V78
2017-03-29 20:33:12 C 11 38 36.70 +04 08 37.3 q 006
2017-03-29 20:37:12 C 11 38 36.17 +04 08 44.3 q 006
2017-03-29 20:41:12 C 11 38 35.66 +04 08 50.9 q 006
2017-03-29 20:43:52 C 11 38 35.32 +04 08 55.4 q 006
2017-03-29 20:46:32 C 11 38 34.96 +04 08 59.3 q 006
2017-03-29 20:53:02 C 11 38 33.73 +04 09 06.7 q 151
2017-03-29 20:54:56 C 11 38 33.48 +04 09 09.9 q 151
2017-03-29 20:56:49 C 11 38 33.23 +04 09 13.0 q 151
2017-03-29 20:57:14 C 11 38 32.98 +04 09 18.2 q K73
2017-03-29 20:58:46 C 11 38 32.98 +04 09 16.2 q 151
2017-03-29 21:00:17 C 11 38 32.57 +04 09 23.4 q K73
2017-03-29 21:00:40 C 11 38 32.73 +04 09 19.4 q 151
2017-03-29 21:02:34 C 11 38 32.48 +04 09 22.6 q 151
2017-03-29 21:03:18 C 11 38 32.14 +04 09 28.6 q K73
2017-03-29 21:04:29 C 11 38 32.23 +04 09 25.8 q 151
2017-03-29 21:06:21 C 11 38 31.75 +04 09 33.6 q K73
2017-03-29 21:09:24 C 11 38 31.34 +04 09 38.5 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)