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
2017-04-16 22:00:09 C 08 08 40.51 +38 37 01.2 q B92
2017-04-16 22:17:37 C 08 08 12.65 +38 39 10.2 q B92
2017-04-16 22:26:22 C 08 07 58.70 +38 40 14.8 q B92
2017-04-16 22:35:05 C 08 07 44.76 +38 41 19.0 q B92
2017-04-16 22:46:57 C 08 07 25.86 +38 42 45.8 q B92
2017-04-16 22:55:42 C 08 07 11.92 +38 43 49.8 q B92
2017-04-16 23:04:24 C 08 06 57.99 +38 44 53.6 q B92
2017-04-16 23:13:09 C 08 06 44.05 +38 45 57.3 q B92
2017-04-17 03:27:49 C 07 59 59.07 +39 18 47.6 q 703
2017-04-17 03:34:08 C 07 59 48.47 +39 19 32.7 q 703
2017-04-17 03:40:26 C 07 59 37.99 +39 20 17.4 q 703
2017-04-17 03:46:44 C 07 59 27.42 +39 21 02.3 q 703
2017-04-17 04:39:01 C 07 57 59.80 +39 26 22.9 P V78
2017-04-17 04:40:49 C 07 57 56.86 +39 26 36.5 P V78
2017-04-17 04:43:24 C 07 57 52.59 +39 26 53.5 P V78
2017-04-17 19:33:49 C 07 32 38.44 +41 05 43.3 q C23
2017-04-17 19:34:58 C 07 32 36.27 +41 05 50.4 q C23
2017-04-17 20:40:05 C 07 30 38.96 +41 12 06.0 q C23
2017-04-17 20:40:52 C 07 30 37.56 +41 12 10.6 q C23
2017-04-17 20:43:20 C 07 30 33.10 +41 12 24.6 q C23
2017-04-17 20:46:38 C 07 30 27.18 +41 12 43.3 q C23
2017-04-17 20:50:44 C 07 30 19.76 +41 13 06.6 q C23
2017-04-17 21:03:05 C 07 29 57.88 +41 14 28.9 13.0 q Z43
2017-04-17 21:45:06 C 07 28 41.90 +41 18 23.7 13.0 q Z43
2017-04-17 22:18:46 C 07 27 41.04 +41 21 29.0 12.7 q Z43
2017-04-18 20:47:03 C 06 45 57.98 +43 03 59.9 q B92
2017-04-18 21:04:32 C 06 45 24.29 +43 04 51.8 q B92
2017-04-18 21:13:15 C 06 45 07.52 +43 05 17.0 q B92
2017-04-18 21:40:31 C 06 44 15.46 +43 06 23.4 q C23
2017-04-18 21:42:59 C 06 44 10.75 +43 06 30.5 q C23
2017-04-18 21:45:52 C 06 44 05.22 +43 06 38.5 q C23
2017-04-18 21:48:20 C 06 44 00.51 +43 06 45.6 q C23
2017-04-18 21:50:48 C 06 43 55.78 +43 06 52.6 q C23
2017-04-18 22:09:52 C 06 43 18.71 +43 07 58.3 q B92
2017-04-18 22:22:48 C 06 42 53.89 +43 08 33.7 q B92
2017-04-18 22:40:16 C 06 42 20.47 +43 09 21.4 q B92
2017-04-18 22:49:01 C 06 42 03.73 +43 09 45.1 q B92
2017-04-18 22:57:44 C 06 41 47.01 +43 10 08.8 q B92
2017-04-19 05:58:43 C 06 28 21.04 +43 30 10.8 L T05
2017-04-19 06:12:03 C 06 27 54.92 +43 30 34.8 L T05
2017-04-19 06:26:51 C 06 27 25.93 +43 31 00.7 L T05
2017-04-19 06:59:04 C 06 26 22.99 +43 31 54.9 L T05
2017-04-19 21:04:33 C 05 59 31.55 +43 46 48.6 q C23
2017-04-19 21:07:29 C 05 59 25.96 +43 46 48.7 q C23
2017-04-19 21:10:46 C 05 59 19.75 +43 46 48.7 q C23
2017-04-19 21:13:23 C 05 59 14.79 +43 46 48.7 q C23
2017-04-19 21:15:40 C 05 59 10.44 +43 46 48.5 q C23
2017-08-22 18:42:20 C 03 38 20.98 +18 51 28.4 q D29
2017-08-22 19:05:14 C 03 38 21.43 +18 51 27.3 q D29
2017-08-22 19:28:09 C 03 38 21.77 +18 51 26.3 q D29
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)