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
2015-12-14 09:35:09 C 05 58 50.986 +19 35 03.33 L F51
2015-12-14 09:52:31 C 05 58 50.051 +19 35 03.21 L F51
2016-01-14 09:37:09 C 05 22 17.107 +19 27 42.04 L F51
2016-01-14 09:57:16 C 05 22 16.326 +19 27 42.16 L F51
2016-01-14 10:17:17 C 05 22 15.511 +19 27 41.71 L F51
2016-01-14 10:37:18 C 05 22 14.701 +19 27 41.79 L F51
2016-12-04 11:33:40 C 11 01 19.67 +04 02 57.6 q G96
2016-12-04 11:41:03 C 11 01 20.05 +04 02 54.9 q G96
2016-12-04 11:48:28 C 11 01 20.44 +04 02 52.7 q G96
2016-12-04 11:55:51 C 11 01 20.83 +04 02 49.4 q G96
2016-12-24 10:55:05 C 11 25 47.49 +01 21 04.0 q G96
2016-12-24 11:01:20 C 11 25 47.81 +01 21 02.1 q G96
2016-12-24 11:07:35 C 11 25 48.12 +01 21 00.0 q G96
2016-12-24 11:13:49 C 11 25 48.40 +01 20 57.7 q G96
2017-01-23 09:42:39 C 11 56 05.18 -02 03 37.1 R G45
2017-01-23 09:49:45 C 11 56 05.39 -02 03 38.5 R G45
2017-01-23 09:57:19 C 11 56 05.65 -02 03 40.8 R G45
2017-01-23 10:04:22 C 11 56 05.87 -02 03 41.7 R G45
2017-01-23 10:11:08 C 11 56 06.09 -02 03 43.3 R G45
2017-01-23 10:18:16 C 11 56 06.31 -02 03 44.9 R G45
2017-01-25 09:43:19 C 11 57 42.15 -02 14 21.5 R G45
2017-01-25 09:57:34 C 11 57 42.58 -02 14 24.8 R G45
2017-01-25 10:04:52 C 11 57 42.81 -02 14 26.4 R G45
2017-01-25 10:18:52 C 11 57 43.25 -02 14 29.5 R G45
2017-01-26 13:04:46 C 11 58 35.611 -02 20 13.61 L F51
2017-01-26 13:22:00 C 11 58 36.125 -02 20 17.23 L F51
2017-01-26 14:01:44 C 11 58 37.303 -02 20 25.72 L F51
2017-01-26 14:19:53 C 11 58 37.838 -02 20 29.53 L F51
2017-01-26 14:56:12 C 11 58 38.917 -02 20 37.22 L F51
2017-02-01 11:32:49 C 12 02 50.85 -02 47 56.3 q G96
2017-02-01 11:43:03 C 12 02 51.08 -02 47 58.3 q G96
2017-02-01 11:49:12 C 12 02 51.28 -02 47 59.3 q G96
2017-02-01 11:55:23 C 12 02 51.51 -02 48 00.5 q G96
2017-02-08 11:21:54 C 12 06 57.13 -03 13 05.0 q 703
2017-02-08 11:29:11 C 12 06 57.34 -03 13 05.3 q 703
2017-02-08 11:36:23 C 12 06 57.51 -03 13 06.3 q 703
2017-02-08 11:43:41 C 12 06 57.60 -03 13 07.0 q 703
2017-02-15 03:42:59 C 12 09 48.00 -03 27 48.5 q 160
2017-02-15 03:45:44 C 12 09 48.05 -03 27 48.5 q 160
2017-02-15 03:48:30 C 12 09 47.89 -03 27 50.6 q 160
2017-02-16 03:46:47 C 12 10 07.20 -03 29 05.5 q 160
2017-02-16 03:49:34 C 12 10 07.24 -03 29 06.0 q 160
2017-02-16 03:52:22 C 12 10 07.26 -03 29 06.7 q 160
2017-02-16 13:58:08 C 12 10 14.99 -03 29 29.3 L T05
2017-02-16 14:18:09 C 12 10 15.14 -03 29 31.2 L T05
2017-02-16 14:45:17 C 12 10 15.43 -03 29 31.7 L T05
2017-02-16 15:10:31 C 12 10 15.62 -03 29 32.4 L T05
2017-02-16 15:27:16 C 12 10 15.72 -03 29 33.6 L T05
2017-02-24 13:26:14 C 12 11 33.91 -03 27 58.4 L T05
2017-02-24 13:53:14 C 12 11 33.82 -03 27 56.5 L T05
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)