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
2017-03-15 07:30:07 C 12 03 55.37 -01 30 34.6 u H21
2017-03-16 08:31:30 C 12 02 52.95 -01 16 46.5 u H21
2017-03-16 08:33:34 C 12 02 52.85 -01 16 45.3 u H21
2017-03-16 08:35:38 C 12 02 52.76 -01 16 44.1 u H21
2017-03-16 08:37:42 C 12 02 52.65 -01 16 42.9 u H21
2017-03-16 08:39:47 C 12 02 52.55 -01 16 41.7 u H21
2017-03-16 08:41:51 C 12 02 52.46 -01 16 40.4 u H21
2017-03-16 08:43:56 C 12 02 52.36 -01 16 39.5 u H21
2017-03-16 08:46:00 C 12 02 52.26 -01 16 38.0 u H21
2017-03-16 08:48:05 C 12 02 52.16 -01 16 36.9 u H21
2017-03-16 08:50:09 C 12 02 52.06 -01 16 35.6 u H21
2017-03-16 08:52:14 C 12 02 51.96 -01 16 34.5 u H21
2017-03-16 08:54:18 C 12 02 51.86 -01 16 33.2 u H21
2017-03-16 08:56:22 C 12 02 51.76 -01 16 32.2 u H21
2017-03-16 08:58:25 C 12 02 51.66 -01 16 31.0 u H21
2017-03-16 09:00:29 C 12 02 51.56 -01 16 29.8 u H21
2017-03-16 09:02:21 C 12 02 51.47 -01 16 28.8 u H21
2017-03-16 09:04:25 C 12 02 51.37 -01 16 27.6 u H21
2017-03-16 12:19:13 C 12 02 43.26 -01 14 27.1 L T05
2017-03-16 12:27:33 C 12 02 42.81 -01 14 21.7 L T08
2017-03-16 12:42:08 C 12 02 42.09 -01 14 13.5 L T05
2017-03-16 12:47:11 C 12 02 41.81 -01 14 10.3 L T08
2017-03-16 13:05:30 C 12 02 40.91 -01 14 00.0 L T05
2017-03-16 13:06:55 C 12 02 40.81 -01 13 58.7 L T08
2017-03-16 13:26:24 C 12 02 39.83 -01 13 47.4 L T08
2017-03-16 13:29:55 C 12 02 39.69 -01 13 45.8 L T05
2017-03-16 16:36:11 C 12 02 32.65 -01 12 02.1 q D29
2017-03-16 16:36:58 C 12 02 32.62 -01 12 01.6 q D29
2017-03-16 16:55:31 C 12 02 31.66 -01 11 50.8 q D29
2017-03-16 16:56:17 C 12 02 31.63 -01 11 50.3 q D29
2017-03-16 17:14:50 C 12 02 30.66 -01 11 39.5 q D29
2017-03-16 17:15:36 C 12 02 30.63 -01 11 38.9 q D29
2017-03-16 21:45:18 C 12 02 19.59 -01 09 02.5 u K83
2017-03-16 21:49:47 C 12 02 19.38 -01 09 00.1 u K83
2017-03-16 21:59:21 C 12 02 18.89 -01 08 54.3 u K83
2017-03-16 22:10:07 C 12 02 18.36 -01 08 48.7 15.4 t 104
2017-03-16 23:29:11 C 12 02 14.32 -01 08 01.3 15.3 t 104
2017-03-17 00:03:20 C 12 02 12.38 -01 07 41.6 u 118
2017-03-17 00:26:46 C 12 02 11.34 -01 07 26.6 15.2 t 104
2017-03-17 00:47:28 C 12 02 11.83 -01 06 44.1 q Y00
2017-03-17 00:59:56 C 12 02 09.50 -01 07 07.4 u 118
2017-03-17 01:00:47 C 12 02 11.17 -01 06 34.9 q Y00
2017-03-17 01:17:49 C 12 02 10.29 -01 06 24.2 q Y00
2017-03-17 01:18:49 C 12 02 08.56 -01 06 56.0 u 118
2017-03-17 01:28:20 C 12 02 08.20 -01 06 48.4 q 160
2017-03-17 01:30:17 C 12 02 08.12 -01 06 47.9 q 160
2017-03-17 01:32:13 C 12 02 08.00 -01 06 46.7 q 160
2017-03-17 01:43:04 C 12 02 07.34 -01 06 41.2 u 118
2017-03-17 08:00:10 C 12 01 50.84 -01 02 45.7 q G96
2017-03-17 08:06:19 C 12 01 50.45 -01 02 41.7 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)