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
2014-02-20 04:53:50 C 08 14 07.83 +16 28 03.0 q G96
2014-02-23 06:18:44 C 08 09 45.770 +16 46 25.33 L F51
2014-02-23 06:36:48 C 08 09 44.692 +16 46 29.83 L F51
2014-02-23 06:54:52 C 08 09 43.615 +16 46 34.31 L F51
2014-02-23 07:13:06 C 08 09 42.527 +16 46 38.81 L F51
2014-02-26 09:39:28 C 08 05 32.527 +17 04 21.09 L F51
2014-02-26 10:16:57 C 08 05 30.439 +17 04 29.67 L F51
2014-02-26 10:35:42 C 08 05 29.400 +17 04 33.85 L F51
2014-03-03 03:41:32 C 07 59 47.28 +17 29 28.5 R G45
2014-03-03 03:58:16 C 07 59 46.49 +17 29 32.0 R G45
2014-03-03 04:23:15 C 07 59 45.20 +17 29 37.4 R G45
2014-03-03 04:59:58 C 07 59 43.44 +17 29 44.9 R G45
2014-03-06 09:53:56 C 07 56 19.091 +17 45 15.13 L F51
2014-03-06 10:12:44 C 07 56 18.284 +17 45 18.67 L F51
2014-03-06 10:31:35 C 07 56 17.472 +17 45 22.20 L F51
2014-03-22 11:40:19 C 07 45 45.26 +18 44 27.0 q D29
2014-03-22 12:26:09 C 07 45 44.60 +18 44 31.7 q D29
2014-03-22 13:11:57 C 07 45 43.89 +18 44 35.5 q D29
2014-06-01 03:47:29 C 08 52 25.91 +17 03 46.5 q G96
2014-06-01 03:52:00 C 08 52 26.29 +17 03 45.0 q G96
2014-06-01 03:56:32 C 08 52 26.63 +17 03 44.5 q G96
2014-06-01 04:01:03 C 08 52 26.98 +17 03 42.9 q G96
2014-11-14 00:13:35 C 21 19 53.68 -15 53 22.2 u 807
2014-11-14 00:18:19 C 21 19 54.52 -15 53 18.8 u 807
2014-11-14 00:22:33 C 21 19 55.29 -15 53 15.3 u 807
2014-11-14 00:27:15 C 21 19 56.13 -15 53 11.7 u 807
2014-11-14 00:31:44 C 21 19 56.94 -15 53 08.4 u 807
2014-11-16 02:11:31 C 21 28 50.89 -15 16 23.7 q 703
2014-11-16 02:18:01 C 21 28 52.00 -15 16 18.9 q 703
2014-11-16 02:24:31 C 21 28 53.19 -15 16 14.1 q 703
2014-11-16 02:31:00 C 21 28 54.31 -15 16 09.4 q 703
2014-11-17 01:30:58 C 21 32 54.24 -14 59 02.6 q G96
2014-11-17 01:37:36 C 21 32 55.39 -14 58 57.5 q G96
2014-11-17 01:44:11 C 21 32 56.52 -14 58 52.8 q G96
2014-11-17 01:50:45 C 21 32 57.63 -14 58 47.4 q G96
2014-11-25 04:53:46 C 22 04 04.352 -12 34 31.61 L F51
2014-11-25 05:10:33 C 22 04 06.800 -12 34 19.29 L F51
2014-11-25 05:27:21 C 22 04 09.256 -12 34 07.02 L F51
2014-12-12 01:31:13 C 22 56 33.03 -07 52 00.9 q 703
2014-12-12 01:37:42 C 22 56 33.71 -07 51 57.1 q 703
2014-12-12 01:44:11 C 22 56 34.49 -07 51 52.6 q 703
2014-12-12 01:50:39 C 22 56 35.30 -07 51 47.5 q 703
2014-12-18 05:02:30 C 23 12 50.681 -06 16 06.59 L F51
2014-12-18 05:19:54 C 23 12 52.509 -06 15 55.46 L F51
2014-12-18 05:37:18 C 23 12 54.347 -06 15 44.30 L F51
2014-12-18 05:54:38 C 23 12 56.158 -06 15 33.18 L F51
2014-12-24 02:08:29 C 23 27 25.77 -04 47 49.0 q 703
2014-12-24 02:25:49 C 23 27 27.64 -04 47 40.1 q 703
2015-12-14 09:00:20 C 05 58 52.855 +19 35 03.65 L F51
2015-12-14 09:17:47 C 05 58 51.925 +19 35 03.56 L F51
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)