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
2017-02-24 14:16:49 C 12 11 33.75 -03 27 54.5 L T05
2017-02-24 14:30:02 C 12 11 33.72 -03 27 54.4 L T05
2017-02-26 00:17:18 C 12 11 34.13 -03 25 25.3 q 160
2017-02-26 00:19:49 C 12 11 34.12 -03 25 25.3 q 160
2017-02-26 00:22:21 C 12 11 34.08 -03 25 25.5 q 160
2017-02-27 21:45:37 C 12 11 26.53 -03 20 42.5 t 073
2017-02-27 22:14:15 C 12 11 26.26 -03 20 39.3 t 073
2017-02-27 22:42:54 C 12 11 26.05 -03 20 36.5 t 073
2017-02-27 23:11:31 C 12 11 25.76 -03 20 33.0 t 073
2017-02-27 23:43:21 C 12 11 25.55 -03 20 28.7 t 073
2017-02-28 17:41:35 C 12 11 19.50 -03 18 06.6 o 300
2017-02-28 17:44:54 C 12 11 19.42 -03 18 07.0 o 300
2017-02-28 17:48:13 C 12 11 19.41 -03 18 05.6 o 300
2017-02-28 17:54:50 C 12 11 19.36 -03 18 05.1 o 300
2017-02-28 17:58:08 C 12 11 19.31 -03 18 05.8 o 300
2017-02-28 22:54:59 C 12 11 18.06 -03 17 26.9 t 073
2017-02-28 23:29:57 C 12 11 17.70 -03 17 22.0 t 073
2017-02-28 23:58:36 C 12 11 17.40 -03 17 17.9 t 073
2017-03-01 00:24:02 C 12 11 17.17 -03 17 14.4 t 073
2017-03-02 07:58:50 C 12 11 03.11 -03 12 20.9 q 703
2017-03-02 08:06:22 C 12 11 02.97 -03 12 19.6 q 703
2017-03-02 08:13:53 C 12 11 02.88 -03 12 18.4 q 703
2017-03-02 08:21:25 C 12 11 02.79 -03 12 17.0 q 703
2017-03-02 09:27:19 C 12 11 01.78 -03 12 06.6 R G45
2017-03-02 09:34:24 C 12 11 01.68 -03 12 05.4 R G45
2017-03-02 09:41:24 C 12 11 01.59 -03 12 04.2 R G45
2017-03-02 09:49:14 C 12 11 01.48 -03 12 02.9 R G45
2017-03-02 09:56:13 C 12 11 01.38 -03 12 01.6 R G45
2017-03-02 10:03:22 C 12 11 01.30 -03 12 00.3 R G45
2017-03-03 21:34:14 C 12 10 40.02 -03 05 33.9 t 073
2017-03-03 22:04:07 C 12 10 39.55 -03 05 28.0 t 073
2017-03-03 22:35:55 C 12 10 39.04 -03 05 21.7 t 073
2017-03-03 23:07:43 C 12 10 38.54 -03 05 15.4 t 073
2017-03-03 23:36:22 C 12 10 38.05 -03 05 08.4 t 073
2017-03-04 11:24:03 C 12 10 29.38 -03 02 37.6 L T05
2017-03-04 11:56:07 C 12 10 28.80 -03 02 30.7 L T05
2017-03-04 12:13:32 C 12 10 28.47 -03 02 27.0 L T05
2017-03-04 12:30:57 C 12 10 28.14 -03 02 23.0 L T05
2017-03-04 13:25:58 C 12 10 27.13 -03 02 11.3 L T08
2017-03-04 13:46:19 C 12 10 26.76 -03 02 06.9 L T08
2017-03-04 14:07:16 C 12 10 26.38 -03 02 02.3 L T08
2017-03-04 14:27:09 C 12 10 26.04 -03 01 57.9 L T08
2017-03-06 13:01:08 C 12 09 44.07 -02 50 59.9 L T08
2017-03-06 13:21:12 C 12 09 43.61 -02 50 54.8 L T08
2017-03-06 13:42:25 C 12 09 43.15 -02 50 49.2 L T08
2017-03-06 14:02:42 C 12 09 42.68 -02 50 43.9 L T08
2017-03-07 22:27:54 C 12 09 07.67 -02 41 55.0 16.1 t 104
2017-03-07 23:28:45 C 12 09 06.18 -02 41 37.3 16.1 t 104
2017-03-08 00:23:18 C 12 09 04.81 -02 41 21.3 16.1 t 104
2017-03-08 09:16:42 C 12 08 53.11 -02 38 38.5 q H45
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)