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
2006-11-07 22:38:34 C 02 37 23.06 +11 54 33.4 r A13
2006-11-07 23:05:59 C 02 37 21.24 +11 54 24.2 r A13
2006-11-08 08:02:11 C 02 36 46.16 +11 51 35.5 o 644
2006-11-08 08:31:37 C 02 36 44.19 +11 51 26.1 o 644
2006-11-08 09:01:01 C 02 36 42.22 +11 51 16.7 o 644
2006-11-13 05:22:18 C 02 29 29.94 +11 16 16.7 r 703
2006-11-13 05:31:38 C 02 29 29.43 +11 16 12.8 r 703
2006-11-13 05:40:57 C 02 29 28.75 +11 16 10.0 r 703
2006-11-13 05:50:15 C 02 29 28.28 +11 16 08.5 r 703
2006-11-15 06:12:47 C 02 26 42.10 +11 02 47.3 r G96
2006-11-15 06:23:57 C 02 26 41.46 +11 02 44.3 r G96
2006-11-15 06:35:15 C 02 26 40.77 +11 02 41.4 r G96
2006-11-15 06:46:36 C 02 26 40.16 +11 02 38.0 r G96
2006-11-17 04:33:48 C 02 24 11.08 +10 50 43.2 o 704
2006-11-17 04:51:11 C 02 24 10.29 +10 50 39.0 o 704
2006-11-17 05:08:36 C 02 24 09.27 +10 50 35.9 o 704
2006-11-17 05:26:01 C 02 24 08.33 +10 50 32.3 o 704
2006-11-17 05:43:25 C 02 24 07.35 +10 50 27.2 o 704
2006-11-18 06:39:52 C 02 22 49.48 +10 44 17.2 r H45
2006-11-18 06:42:26 C 02 22 49.31 +10 44 16.0 r H45
2006-11-18 06:44:16 C 02 22 49.23 +10 44 15.8 r H45
2006-11-18 06:46:01 C 02 22 49.15 +10 44 15.3 r H45
2006-11-18 06:47:40 C 02 22 49.03 +10 44 14.9 r H45
2006-11-21 04:30:50 C 02 19 25.30 +10 28 15.3 o 704
2006-11-21 04:48:27 C 02 19 24.38 +10 28 09.0 o 704
2006-11-21 05:06:12 C 02 19 23.52 +10 28 07.7 o 704
2006-11-21 05:23:51 C 02 19 22.74 +10 28 03.5 o 704
2006-11-26 19:30:38 C 02 13 47.02 +10 02 25.0 o 151
2006-12-09 01:23:57 C 02 05 51.03 +09 30 17.5 21.1 o H55
2006-12-09 01:51:36 C 02 05 50.52 +09 30 16.2 21.0 o H55
2006-12-09 02:12:05 C 02 05 50.15 +09 30 14.6 21.0 o H55
2007-12-04 09:28:15 C 07 16 35.03 +18 35 55.0 o 691
2007-12-04 09:53:38 C 07 16 34.11 +18 35 55.8 o 691
2007-12-04 10:19:01 C 07 16 33.19 +18 35 56.4 o 691
2007-12-16 09:06:08 C 07 04 48.28 +18 47 32.9 o 691
2007-12-16 09:32:57 C 07 04 47.02 +18 47 33.5 o 691
2007-12-16 10:04:46 C 07 04 45.51 +18 47 34.9 o 691
2007-12-20 08:55:00 C 07 00 13.15 +18 52 31.9 o 691
2007-12-20 09:20:26 C 07 00 11.88 +18 52 32.7 o 691
2007-12-20 09:45:53 C 07 00 10.61 +18 52 33.5 o 691
2009-11-18 03:31:07 C 04 16 53.41 +17 36 58.8 o 691
2009-11-18 03:56:30 C 04 16 51.87 +17 36 54.7 o 691
2009-11-18 04:21:53 C 04 16 50.35 +17 36 50.8 o 691
2009-11-22 04:51:28 C 04 11 02.83 +17 20 31.3 o 691
2009-11-22 05:16:55 C 04 11 01.39 +17 20 26.3 o 691
2009-11-26 04:19:03 C 04 05 22.58 +17 04 29.4 o 691
2009-11-26 04:44:25 C 04 05 21.02 +17 04 25.7 o 691
2009-11-26 05:09:46 C 04 05 19.52 +17 04 21.1 o 691
2011-01-14 07:55:19 C 07 36 59.47 +17 42 22.9 r G96
2011-01-14 08:07:09 C 07 36 58.78 +17 42 24.3 r G96
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)