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
2017-04-03 14:15:53 C 11 21 11.63 +08 04 44.0 r P93
2017-04-03 14:39:13 C 11 21 06.80 +08 05 44.5 r P93
2017-04-03 17:19:19 C 11 20 33.84 +08 12 39.9 r P93
2017-04-03 17:40:03 C 11 20 29.63 +08 13 33.9 r P93
2017-04-03 18:13:45 C 11 20 22.83 +08 15 01.7 r P93
2017-04-03 18:44:48 C 11 20 22.37 +08 16 16.9 o 107
2017-04-03 18:47:38 C 11 20 21.79 +08 16 24.4 o 107
2017-04-03 18:50:30 C 11 20 21.22 +08 16 31.8 o 107
2017-04-03 18:53:20 C 11 20 20.63 +08 16 39.5 o 107
2017-04-03 20:01:31 C 11 20 07.00 +08 19 43.7 q 006
2017-04-03 20:07:21 C 11 20 05.79 +08 20 00.0 q 006
2017-04-03 20:09:51 C 11 20 05.26 +08 20 06.0 q 006
2017-04-03 20:12:57 C 11 20 04.63 +08 20 14.3 q 006
2017-04-03 20:15:26 C 11 20 04.15 +08 20 20.9 q 006
2017-04-03 21:59:24 C 11 19 41.69 +08 24 58.2 d B66
2017-04-03 22:33:33 C 11 19 34.43 +08 26 29.9 d B66
2017-04-03 23:06:30 C 11 19 26.62 +08 29 18.4 o K95
2017-04-03 23:07:59 C 11 19 27.14 +08 28 02.3 d B66
2017-04-03 23:10:03 C 11 19 25.88 +08 29 27.8 o K95
2017-04-03 23:28:18 C 11 19 21.95 +08 30 17.3 o K95
2017-04-03 23:32:24 C 11 19 21.07 +08 30 27.8 o K95
2017-04-03 23:35:58 C 11 19 20.31 +08 30 37.5 o K95
2017-04-04 07:34:22 C 11 17 42.68 +08 51 19.7 q H45
2017-04-04 07:35:17 C 11 17 42.48 +08 51 22.2 q H45
2017-04-04 07:36:05 C 11 17 42.30 +08 51 24.4 q H45
2017-04-04 07:37:24 C 11 17 42.02 +08 51 28.0 q H45
2017-04-04 07:38:25 C 11 17 41.79 +08 51 30.9 q H45
2017-04-04 07:39:14 C 11 17 41.61 +08 51 33.2 q H45
2017-04-04 22:37:37 C 11 14 30.42 +09 34 47.1 q 160
2017-04-04 22:40:04 C 11 14 29.83 +09 34 54.6 q 160
2017-04-04 22:42:12 C 11 14 29.35 +09 35 00.8 q 160
2017-04-05 00:46:02 C 11 14 05.36 +09 41 20.2 q W34
2017-04-05 00:58:48 C 11 14 02.34 +09 41 59.1 q W34
2017-04-05 01:16:29 C 11 13 58.13 +09 42 53.2 q W34
2017-04-05 01:27:49 C 11 13 55.42 +09 43 27.8 q W34
2017-04-05 04:04:55 C 11 13 18.01 +09 51 17.8 P V78
2017-04-05 04:14:47 C 11 13 15.60 +09 51 47.8 P V78
2017-04-05 04:27:33 C 11 13 12.49 +09 52 27.1 P V78
2017-04-05 20:59:00 n 11 09 17.00 +10 45 09.9 12.4 q Z43
2017-04-05 21:30:09 n 11 09 08.83 +10 46 53.8 12.2 q Z43
2017-04-05 21:44:23 C 11 09 04.23 +10 47 45.7 o 107
2017-04-05 21:45:59 C 11 09 03.80 +10 47 50.8 o 107
2017-04-05 21:47:59 C 11 09 03.28 +10 47 57.8 o 107
2017-04-05 21:50:00 C 11 09 02.75 +10 48 04.4 o 107
2017-04-05 22:00:09 n 11 09 00.90 +10 48 33.9 12.2 q Z43
2017-04-06 05:16:37 C 11 07 08.66 +11 13 17.5 P V78
2017-04-06 05:26:37 C 11 07 05.92 +11 13 51.6 P V78
2017-04-06 05:38:10 C 11 07 02.75 +11 14 30.9 P V78
2017-04-06 07:21:01 C 11 06 33.97 +11 20 37.0 q H45
2017-04-06 07:22:36 C 11 06 33.53 +11 20 42.2 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)