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
2003-04-14 07:15:02 C 07 59 58.38 +18 55 39.9 c 608
2003-04-14 07:30:19 C 07 59 58.75 +18 55 40.2 c 608
2003-05-03 21:04:20 C 08 17 00.59 +18 41 13.9 d 941
2003-05-03 21:06:59 C 08 17 00.71 +18 41 13.7 d 941
2003-05-03 21:09:38 C 08 17 00.85 +18 41 13.2 d 941
2003-05-03 21:12:16 C 08 17 00.97 +18 41 13.1 d 941
2003-10-23 01:59:58 C 20 43 20.58 -18 00 52.8 18.6 c 704
2003-10-23 02:17:56 C 20 43 24.61 -18 00 40.1 19.1 c 704
2003-10-23 02:35:27 C 20 43 28.61 -18 00 27.7 19.2 c 704
2003-10-23 02:54:12 C 20 43 32.89 -18 00 14.5 19.2 c 704
2003-11-21 01:45:33 C 22 36 45.17 -09 54 15.0 18.9 c 704
2003-11-21 02:04:02 C 22 36 47.31 -09 54 03.7 19.3 c 704
2003-11-21 02:41:30 C 22 36 51.61 -09 53 39.0 19.5 c 704
2003-11-21 02:59:52 C 22 36 53.78 -09 53 28.5 19.6 c 704
2003-11-28 02:40:12 C 22 55 33.25 -08 09 30.0 o 699
2003-11-28 02:54:37 C 22 55 34.80 -08 09 21.4 o 699
2003-11-28 03:08:54 C 22 55 36.12 -08 09 10.8 o 699
2003-11-28 03:23:32 C 22 55 37.63 -08 09 01.7 o 699
2004-11-20 11:53:50 C 06 31 48.24 +19 37 50.2 d 291
2004-11-20 12:32:54 C 06 31 46.99 +19 37 52.3 d 291
2006-01-10 12:48:16 C 12 15 54.82 -03 47 53.9 r G96
2006-01-10 12:50:29 C 12 15 55.00 -03 47 54.7 r G96
2006-01-10 12:52:43 C 12 15 55.15 -03 47 55.7 r G96
2006-01-10 12:54:55 C 12 15 55.29 -03 47 56.7 r G96
2006-02-02 11:53:18 C 12 55 19.27 -07 48 54.0 r G96
2006-02-02 12:02:02 C 12 55 19.95 -07 48 58.0 r G96
2006-02-02 12:18:56 C 12 55 21.21 -07 49 05.6 r G96
2006-02-10 11:24:50 C 13 11 14.46 -09 17 25.8 r 703
2006-02-10 11:34:56 C 13 11 15.25 -09 17 31.2 r 703
2006-02-10 11:45:03 C 13 11 16.15 -09 17 36.0 r 703
2006-02-10 11:55:10 C 13 11 17.05 -09 17 40.3 r 703
2006-02-20 11:26:07 C 13 34 52.32 -11 17 05.7 r 703
2006-02-20 11:33:07 C 13 34 53.07 -11 17 09.6 r 703
2006-02-20 11:40:12 C 13 34 53.86 -11 17 13.3 r 703
2006-02-20 11:47:22 C 13 34 54.62 -11 17 17.1 r 703
2006-02-22 07:46:01 C 13 39 56.16 -11 40 45.1 c G92
2006-02-22 08:28:07 C 13 40 00.95 -11 41 07.8 c G92
2006-02-22 09:07:10 C 13 40 05.38 -11 41 29.6 c G92
2006-02-24 09:40:26 C 13 45 57.65 -12 08 07.3 18.3 c 704
2006-02-24 09:57:29 C 13 45 59.90 -12 08 18.7 18.7 c 704
2006-02-24 10:14:32 C 13 46 01.82 -12 08 28.9 18.7 c 704
2006-02-24 10:31:37 C 13 46 03.87 -12 08 38.9 18.5 c 704
2006-02-24 10:38:04 C 13 46 04.62 -12 08 42.4 r 703
2006-02-24 10:48:54 C 13 46 05.91 -12 08 48.4 r 703
2006-02-24 10:48:56 C 13 46 05.98 -12 08 48.3 18.5 c 704
2006-02-24 10:59:47 C 13 46 07.21 -12 08 54.6 r 703
2006-02-24 11:10:51 C 13 46 08.58 -12 09 00.3 r 703
2006-02-25 11:40:41 C 13 49 15.56 -12 22 47.8 r G96
2006-02-25 11:48:48 C 13 49 16.57 -12 22 52.4 r G96
2006-02-25 11:56:54 C 13 49 17.61 -12 22 57.0 r 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)