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
2011-01-14 08:18:50 C 07 36 58.10 +17 42 26.2 r G96
2012-12-12 05:51:56 C 04 57 59.00 +18 50 39.6 r G96
2012-12-12 06:01:54 C 04 57 58.50 +18 50 38.7 r G96
2012-12-12 06:11:54 C 04 57 57.88 +18 50 37.5 r G96
2012-12-12 06:22:02 C 04 57 57.38 +18 50 36.8 r G96
2013-12-24 11:09:10 C 09 25 30.44 +11 43 38.0 q G96
2013-12-24 11:19:55 C 09 25 30.28 +11 43 38.7 q G96
2013-12-24 11:30:39 C 09 25 30.03 +11 43 38.9 q G96
2013-12-24 11:41:21 C 09 25 29.86 +11 43 39.3 q G96
2013-12-30 09:48:25 C 09 22 24.15 +11 52 37.9 o 691
2013-12-30 10:18:59 C 09 22 23.30 +11 52 40.6 o 691
2014-01-05 10:26:50 C 09 17 58.862 +12 07 58.62 L F51
2014-01-05 10:48:38 C 09 17 58.074 +12 08 01.54 L F51
2014-01-05 11:10:27 C 09 17 57.275 +12 08 04.27 L F51
2014-01-05 11:32:16 C 09 17 56.477 +12 08 06.99 L F51
2014-01-11 10:23:00 C 09 12 17.74 +12 29 25.7 o 691
2014-01-11 10:48:34 C 09 12 16.56 +12 29 30.5 o 691
2014-01-21 09:21:36 C 09 00 13.45 +13 17 43.8 q G96
2014-01-21 09:30:29 C 09 00 12.93 +13 17 45.8 q G96
2014-01-21 09:39:23 C 09 00 12.41 +13 17 47.9 q G96
2014-01-21 09:48:16 C 09 00 11.88 +13 17 49.8 q G96
2014-01-25 09:21:55 C 08 54 34.256 +13 40 54.51 L F51
2014-01-25 09:38:32 C 08 54 33.209 +13 40 58.73 L F51
2014-01-25 09:55:09 C 08 54 32.172 +13 41 02.93 L F51
2014-01-25 10:11:43 C 08 54 31.129 +13 41 07.07 L F51
2014-01-27 06:09:46 C 08 51 48.11 +13 52 17.6 q 703
2014-01-27 06:17:02 C 08 51 47.71 +13 52 19.1 q 703
2014-01-27 06:24:20 C 08 51 47.09 +13 52 19.9 q 703
2014-01-27 06:31:38 C 08 51 46.73 +13 52 21.0 q 703
2014-02-01 13:11:15 C 08 43 36.35 +14 26 02.7 u C15
2014-02-01 13:40:23 C 08 43 34.46 +14 26 11.0 u C15
2014-02-01 13:54:59 C 08 43 33.41 +14 26 14.3 u C15
2014-02-05 03:20:13 C 08 37 51.61 +14 49 48.4 q H15
2014-02-05 03:33:58 C 08 37 50.54 +14 49 51.5 q H15
2014-02-05 03:37:09 C 08 37 50.41 +14 49 53.0 o 926
2014-02-05 03:47:32 C 08 37 49.64 +14 49 56.2 q H15
2014-02-05 04:01:12 C 08 37 48.71 +14 49 59.2 q H15
2014-02-05 04:03:21 C 08 37 48.61 +14 50 00.0 o 926
2014-02-05 04:16:19 C 08 37 47.71 +14 50 04.1 q 703
2014-02-05 04:23:32 C 08 37 47.29 +14 50 06.4 q 703
2014-02-05 04:29:31 C 08 37 46.81 +14 50 07.7 o 926
2014-02-05 04:30:44 C 08 37 46.73 +14 50 09.1 q 703
2014-02-05 04:37:56 C 08 37 46.21 +14 50 10.9 q 703
2014-02-08 06:12:51 C 08 32 48.55 +15 10 38.8 q G96
2014-02-08 06:22:33 C 08 32 47.88 +15 10 41.6 q G96
2014-02-08 06:32:17 C 08 32 47.23 +15 10 44.4 q G96
2014-02-08 06:42:02 C 08 32 46.54 +15 10 47.2 q G96
2014-02-20 04:33:51 C 08 14 09.11 +16 27 57.7 q G96
2014-02-20 04:40:30 C 08 14 08.68 +16 27 59.4 q G96
2014-02-20 04:47:09 C 08 14 08.27 +16 28 01.2 q 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)