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
2017-03-31 21:06:23 C 11 32 06.75 +05 36 37.0 q K73
2017-03-31 21:09:26 C 11 32 06.27 +05 36 42.9 q K73
2017-03-31 21:12:29 C 11 32 05.79 +05 36 49.3 q K73
2017-03-31 21:15:33 C 11 32 05.32 +05 36 55.1 q K73
2017-03-31 21:18:37 C 11 32 04.82 +05 37 01.3 q K73
2017-03-31 21:21:40 C 11 32 04.32 +05 37 06.9 q K73
2017-03-31 21:24:22 C 11 32 03.91 +05 37 12.9 q K73
2017-03-31 21:26:21 C 11 32 02.08 +05 37 04.5 q 168
2017-03-31 21:29:27 C 11 32 03.11 +05 37 22.8 q K73
2017-03-31 21:30:06 C 11 32 01.50 +05 37 11.9 q 168
2017-03-31 21:34:33 C 11 32 02.22 +05 37 32.8 q K73
2017-03-31 21:39:38 C 11 32 01.49 +05 37 43.1 q K73
2017-03-31 21:48:21 C 11 31 58.70 +05 37 48.0 q 168
2017-03-31 22:52:01 C 11 31 49.00 +05 39 54.5 q 168
2017-04-01 04:14:09 C 11 31 03.50 +05 50 55.1 P V78
2017-04-01 04:27:26 C 11 31 01.37 +05 51 21.6 P V78
2017-04-01 04:42:03 C 11 30 58.99 +05 51 51.6 P V78
2017-04-01 07:54:46 C 11 30 27.31 +05 58 35.9 q H45
2017-04-01 07:55:58 C 11 30 27.11 +05 58 38.2 q H45
2017-04-01 07:56:59 C 11 30 26.95 +05 58 40.3 q H45
2017-04-01 07:58:08 C 11 30 26.76 +05 58 42.6 q H45
2017-04-01 07:59:18 C 11 30 26.57 +05 58 45.0 q H45
2017-04-01 08:00:21 C 11 30 26.40 +05 58 47.2 q H45
2017-04-01 10:07:22 C 11 30 08.34 +06 03 26.1 L T05
2017-04-01 10:38:46 C 11 30 03.03 +06 04 31.7 L T05
2017-04-01 11:02:55 C 11 29 58.96 +06 05 22.1 L T05
2017-04-01 11:17:03 C 11 29 56.57 +06 05 51.6 L T05
2017-04-01 19:57:03 C 11 28 38.26 +06 23 55.0 q Z52
2017-04-01 20:17:58 C 11 28 34.77 +06 24 40.9 q Z52
2017-04-01 20:28:21 C 11 28 30.72 +06 25 00.8 q 168
2017-04-01 20:32:06 C 11 28 30.09 +06 25 09.2 q 168
2017-04-01 20:39:41 C 11 28 31.09 +06 25 28.3 q Z52
2017-04-01 21:01:51 C 11 28 27.33 +06 26 16.8 q Z52
2017-04-01 22:20:56 C 11 28 11.78 +06 29 05.9 q 168
2017-04-01 22:24:46 C 11 28 11.14 +06 29 14.3 q 168
2017-04-02 02:39:22 C 11 27 33.05 +06 38 47.6 P V78
2017-04-02 02:49:58 C 11 27 31.22 +06 39 11.3 P V78
2017-04-02 02:56:38 C 11 27 30.01 +06 39 25.9 P V78
2017-04-02 19:45:33 C 11 24 38.19 +07 18 16.9 q Z52
2017-04-02 20:06:21 C 11 24 34.34 +07 19 07.0 q Z52
2017-04-02 20:29:41 C 11 24 30.00 +07 20 03.4 q Z52
2017-04-02 20:52:01 C 11 24 25.83 +07 20 57.4 q Z52
2017-04-03 03:17:19 C 11 23 16.56 +07 36 44.1 P V78
2017-04-03 03:21:29 C 11 23 15.73 +07 36 54.5 P V78
2017-04-03 03:25:22 C 11 23 14.98 +07 37 04.4 P V78
2017-04-03 09:59:06 C 11 21 59.80 +07 53 59.2 L T08
2017-04-03 10:22:30 C 11 21 55.01 +07 54 58.5 L T08
2017-04-03 10:45:12 C 11 21 50.36 +07 55 56.1 L T08
2017-04-03 11:07:57 C 11 21 45.71 +07 56 54.0 L T08
2017-04-03 13:57:45 C 11 21 15.38 +08 03 57.1 r P93
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)