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
2017-03-17 08:12:27 C 12 01 50.12 -01 02 38.0 q G96
2017-03-17 08:18:35 C 12 01 49.79 -01 02 34.1 q G96
2017-03-18 03:57:23 C 12 00 54.00 -00 49 29.3 q W88
2017-03-18 04:11:21 C 12 00 53.19 -00 49 20.2 q W88
2017-03-18 04:24:05 C 12 00 52.51 -00 49 11.7 q W88
2017-03-18 05:40:50 C 12 00 48.09 -00 48 20.9 q W88
2017-03-18 05:56:59 C 12 00 47.18 -00 48 10.5 q W88
2017-03-18 12:21:06 C 12 00 27.46 -00 44 21.4 L T08
2017-03-18 12:42:02 C 12 00 26.23 -00 44 07.4 L T08
2017-03-18 13:01:24 C 12 00 25.11 -00 43 54.2 L T08
2017-03-18 13:21:42 C 12 00 23.91 -00 43 40.4 L T08
2017-03-19 03:28:59 C 11 59 41.99 -00 34 02.8 q W46
2017-03-19 03:47:57 C 11 59 40.83 -00 33 48.8 q W46
2017-03-19 04:13:20 C 11 59 39.28 -00 33 30.8 q W46
2017-03-19 05:31:22 C 11 59 34.97 -00 32 40.2 P V78
2017-03-19 05:37:33 C 11 59 34.65 -00 32 36.0 P V78
2017-03-19 05:43:46 C 11 59 34.26 -00 32 31.3 P V78
2017-03-19 07:56:12 C 11 59 28.118 -00 30 44.32 L F51
2017-03-19 08:13:31 C 11 59 27.039 -00 30 32.35 L F51
2017-03-19 09:25:25 C 11 59 21.15 -00 29 47.1 q 703
2017-03-19 09:32:41 C 11 59 20.71 -00 29 41.9 q 703
2017-03-19 09:46:28 C 11 59 19.86 -00 29 32.0 q 703
2017-03-19 09:53:42 C 11 59 19.42 -00 29 26.7 q 703
2017-03-20 04:20:34 C 11 58 19.04 -00 15 48.3 S W54
2017-03-20 06:26:17 C 11 58 10.84 -00 14 12.1 S W54
2017-03-20 06:59:36 C 11 58 09.09 -00 13 45.2 q H45
2017-03-20 07:00:58 C 11 58 09.00 -00 13 44.1 q H45
2017-03-20 07:02:01 C 11 58 08.93 -00 13 43.3 q H45
2017-03-20 07:02:55 C 11 58 08.87 -00 13 42.6 q H45
2017-03-20 07:04:16 C 11 58 08.79 -00 13 41.6 q H45
2017-03-20 07:05:19 C 11 58 08.72 -00 13 40.7 q H45
2017-03-20 07:44:07 C 11 58 06.75 -00 13 09.3 q G96
2017-03-20 07:50:26 C 11 58 06.32 -00 13 04.5 q G96
2017-03-20 08:00:02 C 11 58 05.67 -00 12 56.9 q G96
2017-03-20 08:06:12 C 11 58 05.28 -00 12 52.3 q G96
2017-03-20 11:37:51 C 11 57 52.54 -00 10 01.1 L T08
2017-03-20 11:48:36 C 11 57 51.84 -00 09 53.3 L T05
2017-03-20 11:53:40 C 11 57 51.47 -00 09 48.2 L T08
2017-03-20 11:58:43 C 11 57 51.14 -00 09 44.8 L T08
2017-03-20 12:12:34 C 11 57 50.23 -00 09 34.6 L T05
2017-03-20 12:15:11 C 11 57 50.02 -00 09 31.2 L T08
2017-03-20 12:19:41 C 11 57 49.72 -00 09 28.4 L T08
2017-03-20 12:36:06 C 11 57 48.62 -00 09 14.7 L T08
2017-03-20 12:36:48 C 11 57 48.60 -00 09 15.7 L T05
2017-03-20 12:40:26 C 11 57 48.34 -00 09 12.0 L T08
2017-03-20 12:57:09 C 11 57 47.22 -00 08 58.2 L T08
2017-03-20 13:12:06 C 11 57 46.25 -00 08 48.0 L T05
2017-03-21 05:28:11 C 11 56 48.84 +00 04 05.7 P V78
2017-03-21 05:40:37 C 11 56 47.96 +00 04 16.1 P V78
2017-03-21 05:50:45 C 11 56 47.25 +00 04 24.4 P V78
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)