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
2003-02-09 00:22:31 C 08 52 42.52 +13 53 28.2 d 176
2003-02-09 00:26:30 C 08 52 42.24 +13 53 29.4 d 176
2003-02-09 06:59:41 C 08 52 14.95 +13 55 33.4 c 671
2003-02-09 07:03:31 C 08 52 14.66 +13 55 34.7 c 671
2003-02-09 07:06:36 C 08 52 14.44 +13 55 35.7 c 671
2003-02-09 07:10:30 C 08 52 14.17 +13 55 37.0 c 671
2003-02-19 21:29:00 C 08 34 31.49 +15 15 20.9 c 246
2003-02-19 21:30:23 C 08 34 31.35 +15 15 20.4 c 246
2003-02-19 21:33:59 C 08 34 31.07 +15 15 22.1 c 246
2003-02-19 21:38:06 C 08 34 30.82 +15 15 23.1 c 246
2003-02-20 05:41:34 C 08 33 58.00 +15 17 52.0 c 649
2003-02-20 05:49:31 C 08 33 57.44 +15 17 54.5 c 649
2003-02-20 05:57:29 C 08 33 56.90 +15 17 56.8 c 649
2003-02-20 21:16:57 C 08 32 55.08 +15 22 35.7 c 587
2003-02-20 21:21:35 C 08 32 54.73 +15 22 36.9 c 587
2003-02-20 21:26:01 C 08 32 54.46 +15 22 38.7 c 587
2003-02-21 02:47:25 C 08 32 33.18 +15 24 17.6 19.7 c 644
2003-02-21 03:17:48 C 08 32 31.12 +15 24 26.9 19.3 c 644
2003-02-21 03:48:24 C 08 32 29.01 +15 24 36.5 19.3 c 644
2003-02-21 22:27:31 C 08 31 14.11 +15 30 13.3 c 176
2003-02-21 22:32:31 C 08 31 13.77 +15 30 14.8 c 176
2003-02-21 22:39:20 C 08 31 13.31 +15 30 16.9 c 176
2003-02-21 22:44:21 C 08 31 12.97 +15 30 18.4 c 176
2003-02-21 22:48:50 C 08 31 12.66 +15 30 19.7 c 176
2003-02-22 04:59:26 C 08 30 48.30 +15 32 10.6 c 699
2003-02-22 05:18:37 C 08 30 46.98 +15 32 17.4 c 699
2003-02-22 05:37:47 C 08 30 45.67 +15 32 23.7 c 699
2003-02-22 05:56:54 C 08 30 44.33 +15 32 29.3 c 699
2003-02-23 19:58:16 C 08 28 15.23 +15 43 44.7 c 246
2003-02-23 19:59:39 C 08 28 15.11 +15 43 44.8 c 246
2003-02-23 20:01:12 C 08 28 15.04 +15 43 45.1 c 246
2003-02-23 20:04:05 C 08 28 14.81 +15 43 46.2 c 246
2003-02-23 20:05:23 C 08 28 14.75 +15 43 46.9 c 246
2003-02-23 20:06:52 C 08 28 14.68 +15 43 46.8 c 246
2003-02-24 19:34:07 C 08 26 44.38 +15 50 38.4 c 246
2003-02-24 19:35:25 C 08 26 44.28 +15 50 39.7 c 246
2003-02-24 19:36:40 C 08 26 44.19 +15 50 40.7 c 246
2003-02-24 19:37:58 C 08 26 44.15 +15 50 40.3 c 246
2003-02-24 19:39:13 C 08 26 44.08 +15 50 40.3 c 246
2003-02-24 19:40:31 C 08 26 43.93 +15 50 41.3 c 246
2003-02-25 21:05:11 C 08 25 07.58 +15 58 00.6 c 240
2003-02-25 21:10:36 C 08 25 07.20 +15 58 02.1 c 240
2003-02-25 21:16:05 C 08 25 06.87 +15 58 03.5 c 240
2003-03-05 18:45:00 C 08 14 13.97 +16 48 50.1 c 246
2003-03-05 18:46:42 C 08 14 13.87 +16 48 50.6 c 246
2003-03-05 18:47:59 C 08 14 13.78 +16 48 50.5 c 246
2003-03-05 18:49:22 C 08 14 13.73 +16 48 50.8 c 246
2003-03-06 06:01:14 C 08 13 39.00 +16 51 38.0 c 711
2003-03-06 06:19:44 C 08 13 38.04 +16 51 42.6 c 711
2003-03-06 06:38:14 C 08 13 37.11 +16 51 47.3 c 711
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)