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
2017-04-12 03:53:06 C 10 08 31.14 +23 08 59.9 u H21
2017-04-12 03:55:37 C 10 08 29.45 +23 09 17.2 u H21
2017-04-12 03:58:08 C 10 08 27.76 +23 09 34.8 u H21
2017-04-12 04:00:39 C 10 08 26.07 +23 09 52.2 u H21
2017-04-12 04:03:10 C 10 08 24.37 +23 10 09.7 u H21
2017-04-12 04:05:41 C 10 08 22.68 +23 10 27.3 u H21
2017-04-12 04:08:13 C 10 08 20.99 +23 10 44.7 u H21
2017-04-12 04:10:44 C 10 08 19.29 +23 11 02.1 u H21
2017-04-12 04:13:15 C 10 08 17.60 +23 11 19.5 u H21
2017-04-12 04:15:46 C 10 08 15.90 +23 11 37.0 u H21
2017-04-12 04:18:17 C 10 08 14.21 +23 11 54.5 u H21
2017-04-12 04:21:34 C 10 08 12.01 +23 12 17.2 u H21
2017-04-12 07:33:45 C 10 06 08.13 +23 35 37.6 L T08
2017-04-12 07:52:38 C 10 05 54.95 +23 37 51.5 L T08
2017-04-12 08:12:11 C 10 05 41.27 +23 40 10.0 L T08
2017-04-12 08:32:28 C 10 05 27.08 +23 42 33.4 L T08
2017-04-12 13:59:23 C 10 01 43.21 +24 21 23.2 r P93
2017-04-12 14:05:08 C 10 01 39.04 +24 22 04.7 r P93
2017-04-12 14:14:15 C 10 01 32.45 +24 23 10.6 r P93
2017-04-12 14:17:33 C 10 01 30.07 +24 23 34.6 r P93
2017-04-12 14:39:02 C 10 01 14.52 +24 26 09.2 r P93
2017-04-12 20:09:04 C 09 57 24.08 +25 06 34.5 q Z52
2017-04-12 20:34:29 C 09 57 04.86 +25 09 45.9 q Z52
2017-04-12 20:49:24 C 09 56 53.23 +25 11 50.7 q B92
2017-04-12 20:53:06 C 09 56 49.40 +25 12 21.7 q 160
2017-04-12 20:54:54 C 09 56 48.02 +25 12 35.1 q 160
2017-04-12 20:56:42 C 09 56 46.64 +25 12 48.5 q 160
2017-04-12 20:59:23 C 09 56 45.99 +25 12 53.0 q Z52
2017-04-12 21:06:53 C 09 56 39.91 +25 14 02.0 q B92
2017-04-12 21:33:06 C 09 56 19.90 +25 17 18.8 q B92
2017-04-12 21:41:49 C 09 56 13.20 +25 18 24.5 q B92
2017-04-12 22:02:51 C 09 55 57.10 +25 21 02.3 q B92
2017-04-12 22:20:19 C 09 55 43.69 +25 23 13.4 q B92
2017-04-12 22:46:31 C 09 55 23.56 +25 26 29.8 q B92
2017-04-12 22:55:16 C 09 55 16.84 +25 27 35.2 q B92
2017-04-12 23:03:59 C 09 55 10.12 +25 28 40.7 q B92
2017-04-12 23:12:44 C 09 55 03.40 +25 29 46.2 q B92
2017-04-13 00:14:27 C 09 54 16.52 +25 37 20.6 q Z80
2017-04-13 00:16:04 C 09 54 15.27 +25 37 32.8 q Z80
2017-04-13 00:17:42 C 09 54 14.02 +25 37 45.0 q Z80
2017-04-13 00:19:20 C 09 54 12.76 +25 37 57.3 q Z80
2017-04-13 00:20:57 C 09 54 11.53 +25 38 09.4 q Z80
2017-04-13 00:22:35 C 09 54 10.29 +25 38 21.5 q Z80
2017-04-13 00:24:22 C 09 54 08.88 +25 38 35.1 q Z80
2017-04-13 00:26:01 C 09 54 07.61 +25 38 47.6 q Z80
2017-04-13 00:28:28 C 09 54 05.73 +25 39 06.0 q Z80
2017-04-13 01:37:28 C 09 53 19.04 +25 48 34.6 q W25
2017-04-13 01:42:48 C 09 53 14.80 +25 49 15.6 q W25
2017-04-13 03:05:12 C 09 52 08.93 +25 59 49.1 q W25
2017-04-13 03:20:40 C 09 51 57.92 +26 01 36.1 P V78
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)