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
2006-09-16 10:48:50 C 03 50 52.87 +18 13 11.4 r 703
2006-09-17 10:51:23 C 03 50 23.73 +18 09 14.8 o 699
2006-09-17 11:12:25 C 03 50 23.15 +18 09 11.3 o 699
2006-09-17 11:33:28 C 03 50 22.76 +18 09 06.6 o 699
2006-09-17 11:54:32 C 03 50 22.25 +18 09 02.6 o 699
2006-09-20 08:04:13 C 03 48 42.79 +17 56 53.5 18.9 c 704
2006-09-20 08:20:45 C 03 48 42.36 +17 56 50.6 19.6 c 704
2006-09-20 08:37:17 C 03 48 41.86 +17 56 47.6 19.3 c 704
2006-09-20 08:53:54 C 03 48 41.31 +17 56 44.8 19.4 c 704
2006-09-20 09:10:54 C 03 48 40.84 +17 56 41.2 19.3 c 704
2006-09-26 10:48:31 C 03 43 44.72 +17 26 10.2 r G96
2006-09-26 10:57:31 C 03 43 44.36 +17 26 08.0 r G96
2006-09-26 11:06:34 C 03 43 43.96 +17 26 06.0 r G96
2006-09-26 11:15:31 C 03 43 43.57 +17 26 03.7 r G96
2006-09-28 08:17:34 C 03 41 50.33 +17 15 21.5 19.1 c 704
2006-09-28 08:35:17 C 03 41 49.51 +17 15 18.4 19.1 c 704
2006-09-28 08:53:01 C 03 41 48.79 +17 15 13.8 19.5 c 704
2006-09-28 09:10:45 C 03 41 47.89 +17 15 09.3 19.0 c 704
2006-09-30 09:36:32 C 03 39 34.45 +17 02 59.1 r G96
2006-09-30 09:45:32 C 03 39 33.98 +17 02 56.8 r G96
2006-09-30 09:54:23 C 03 39 33.55 +17 02 54.6 r G96
2006-09-30 10:03:27 C 03 39 33.12 +17 02 52.1 r G96
2006-10-15 06:40:39 C 03 18 11.07 +15 14 27.6 18.9 c H55
2006-10-15 06:45:55 C 03 18 10.73 +15 14 25.5 19.0 c H55
2006-10-15 06:51:10 C 03 18 10.38 +15 14 23.9 18.9 c H55
2006-10-16 08:26:30 C 03 16 22.67 +15 05 35.0 o 693
2006-10-16 08:29:22 C 03 16 22.46 +15 05 34.1 o 693
2006-10-16 08:32:14 C 03 16 22.25 +15 05 33.0 o 693
2006-10-16 08:35:06 C 03 16 22.04 +15 05 32.0 o 693
2006-10-21 12:02:00 C 03 07 25.67 +14 21 41.1 o 644
2006-10-21 12:31:12 C 03 07 23.49 +14 21 30.5 o 644
2006-10-21 13:00:37 C 03 07 21.30 +14 21 19.6 o 644
2006-10-26 01:17:51 C 02 59 19.96 +13 42 00.2 c A41
2006-10-26 01:55:33 C 02 59 17.07 +13 41 45.8 c A41
2006-10-26 21:30:23 C 02 57 50.54 +13 34 39.0 o 151
2006-10-26 21:31:53 C 02 57 50.40 +13 34 38.4 o 151
2006-10-26 21:33:24 C 02 57 50.28 +13 34 37.9 o 151
2006-10-26 21:37:37 C 02 57 49.95 +13 34 37.4 o 151
2006-10-28 05:59:47 C 02 55 26.43 +13 22 56.4 18.9 c 704
2006-10-28 06:17:06 C 02 55 25.04 +13 22 48.7 18.6 c 704
2006-10-28 06:34:31 C 02 55 23.75 +13 22 42.7 19.0 c 704
2006-10-28 06:51:25 C 02 55 22.42 +13 22 37.5 18.5 c 704
2006-10-28 07:09:08 C 02 55 21.12 +13 22 30.4 19.1 c 704
2006-10-30 20:08:51 C 02 50 53.49 +13 00 35.9 o 151
2006-10-30 20:11:52 C 02 50 53.25 +13 00 34.9 o 151
2006-10-30 20:14:53 C 02 50 53.00 +13 00 33.8 o 151
2006-10-31 07:32:40 C 02 50 03.69 +12 56 36.1 c 691
2006-10-31 07:57:42 C 02 50 01.83 +12 56 27.5 c 691
2006-10-31 08:22:43 C 02 49 59.97 +12 56 18.7 c 691
2006-11-07 22:08:28 C 02 37 25.12 +11 54 41.7 r A13
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)