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
2017-03-08 09:18:18 C 12 08 53.07 -02 38 38.1 q H45
2017-03-08 09:19:34 C 12 08 53.03 -02 38 37.6 q H45
2017-03-08 09:20:58 C 12 08 52.99 -02 38 37.1 q H45
2017-03-08 09:22:22 C 12 08 52.95 -02 38 36.8 q H45
2017-03-08 09:23:40 C 12 08 52.92 -02 38 36.3 q H45
2017-03-08 23:24:10 C 12 08 35.49 -02 34 16.6 15.6 t 104
2017-03-08 23:45:23 C 12 08 34.90 -02 34 09.6 15.8 t 104
2017-03-09 00:09:38 C 12 08 34.24 -02 34 01.8 15.7 t 104
2017-03-09 00:32:59 C 12 08 33.61 -02 33 54.2 q 160
2017-03-09 00:34:59 C 12 08 33.55 -02 33 53.5 q 160
2017-03-09 00:36:52 C 12 08 33.48 -02 33 53.1 q 160
2017-03-09 07:22:58 C 12 08 24.09 -02 31 39.6 u H21
2017-03-09 07:25:02 C 12 08 24.03 -02 31 38.9 u H21
2017-03-09 07:27:06 C 12 08 23.99 -02 31 38.3 u H21
2017-03-09 07:29:10 C 12 08 23.92 -02 31 37.6 u H21
2017-03-09 07:31:14 C 12 08 23.87 -02 31 37.0 u H21
2017-03-09 07:33:18 C 12 08 23.80 -02 31 36.3 u H21
2017-03-09 07:35:22 C 12 08 23.75 -02 31 35.6 u H21
2017-03-09 07:37:26 C 12 08 23.69 -02 31 35.0 u H21
2017-03-09 07:39:30 C 12 08 23.63 -02 31 34.3 u H21
2017-03-09 07:41:34 C 12 08 23.56 -02 31 33.4 u H21
2017-03-09 07:43:38 C 12 08 23.51 -02 31 32.8 u H21
2017-03-09 07:45:42 C 12 08 23.47 -02 31 32.1 u H21
2017-03-09 07:47:58 C 12 08 23.41 -02 31 31.4 u H21
2017-03-11 00:32:20 C 12 07 21.52 -02 17 05.9 q 160
2017-03-11 00:34:18 C 12 07 21.45 -02 17 05.7 q 160
2017-03-11 00:36:16 C 12 07 21.39 -02 17 04.5 q 160
2017-03-15 06:40:14 C 12 03 57.66 -01 31 01.0 u H21
2017-03-15 06:42:18 C 12 03 57.56 -01 30 59.8 u H21
2017-03-15 06:44:21 C 12 03 57.47 -01 30 58.9 u H21
2017-03-15 06:46:25 C 12 03 57.37 -01 30 57.7 u H21
2017-03-15 06:48:29 C 12 03 57.26 -01 30 56.7 u H21
2017-03-15 06:50:33 C 12 03 57.18 -01 30 55.6 u H21
2017-03-15 06:52:37 C 12 03 57.09 -01 30 54.6 u H21
2017-03-15 06:54:41 C 12 03 56.98 -01 30 53.4 u H21
2017-03-15 06:56:45 C 12 03 56.90 -01 30 52.4 u H21
2017-03-15 06:58:49 C 12 03 56.80 -01 30 51.2 u H21
2017-03-15 07:00:52 C 12 03 56.70 -01 30 50.2 u H21
2017-03-15 07:02:56 C 12 03 56.61 -01 30 48.9 u H21
2017-03-15 07:05:00 C 12 03 56.52 -01 30 47.9 u H21
2017-03-15 07:07:03 C 12 03 56.42 -01 30 46.8 u H21
2017-03-15 07:09:06 C 12 03 56.33 -01 30 45.8 u H21
2017-03-15 07:11:09 C 12 03 56.24 -01 30 44.5 u H21
2017-03-15 07:14:56 C 12 03 56.05 -01 30 42.4 u H21
2017-03-15 07:17:00 C 12 03 55.97 -01 30 41.4 u H21
2017-03-15 07:19:03 C 12 03 55.87 -01 30 40.4 u H21
2017-03-15 07:21:06 C 12 03 55.78 -01 30 39.5 u H21
2017-03-15 07:23:09 C 12 03 55.68 -01 30 38.4 u H21
2017-03-15 07:25:12 C 12 03 55.59 -01 30 37.3 u H21
2017-03-15 07:27:15 C 12 03 55.50 -01 30 36.0 u H21
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)