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
2017-09-17 13:24:33 C 03 33 48.15 +17 21 41.6 L T08
2017-09-17 13:33:04 C 03 33 47.82 +17 21 39.2 L T08
2017-09-17 13:40:42 C 03 33 47.52 +17 21 37.2 L T08
2017-09-17 13:52:44 C 03 33 47.05 +17 21 34.4 L T08
2017-09-18 09:26:40 C 03 33 03.75 +17 16 39.6 q 703
2017-09-18 09:38:03 C 03 33 03.27 +17 16 36.5 q 703
2017-09-18 09:49:21 C 03 33 02.86 +17 16 33.6 q 703
2017-09-18 09:56:59 C 03 33 02.50 +17 16 31.4 q 703
2017-09-24 10:20:08 C 03 26 35.62 +16 36 23.7 q G96
2017-09-24 10:28:24 C 03 26 35.20 +16 36 21.1 q G96
2017-09-24 10:36:39 C 03 26 34.73 +16 36 18.8 q G96
2017-09-24 10:44:58 C 03 26 34.28 +16 36 16.2 q G96
2017-09-24 11:10:29 C 03 26 33.401 +16 36 09.82 L F51
2017-09-24 11:30:06 C 03 26 32.350 +16 36 04.02 L F51
2017-09-24 11:49:47 C 03 26 31.291 +16 35 58.17 L F51
2017-09-24 12:09:22 C 03 26 30.237 +16 35 52.33 L F51
2017-09-25 12:51:53 C 03 25 12.59 +16 28 17.7 L T08
2017-09-25 12:52:33 C 03 25 12.57 +16 28 16.7 L T08
2017-09-25 12:57:41 C 03 25 12.19 +16 28 15.0 L T08
2017-09-25 13:03:53 C 03 25 11.88 +16 28 12.7 L T08
2017-09-25 13:05:12 C 03 25 11.78 +16 28 12.5 L T08
2017-09-25 13:17:10 C 03 25 11.18 +16 28 09.1 L T08
2017-09-25 13:17:49 C 03 25 11.14 +16 28 08.5 L T08
2017-09-25 13:29:40 C 03 25 10.46 +16 28 04.7 L T08
2017-09-27 13:04:03 C 03 22 32.50 +16 12 51.6 L T05
2017-09-27 13:10:09 C 03 22 32.14 +16 12 49.7 L T05
2017-09-27 13:27:04 C 03 22 31.13 +16 12 41.3 L T05
2017-09-27 13:43:25 C 03 22 30.10 +16 12 38.7 L T05
2017-09-28 10:30:37 C 03 21 17.65 +16 05 43.5 q 703
2017-09-28 10:39:06 C 03 21 17.13 +16 05 40.7 q 703
2017-09-28 10:47:28 C 03 21 16.62 +16 05 38.3 q 703
2017-09-28 10:55:48 C 03 21 16.05 +16 05 35.4 q 703
2017-09-29 12:40:30 C 03 19 43.61 +15 56 55.3 L T08
2017-09-29 12:46:28 C 03 19 43.23 +15 56 51.9 L T08
2017-09-29 13:05:40 C 03 19 42.04 +15 56 45.7 L T08
2017-09-29 13:21:44 C 03 19 41.00 +15 56 40.0 L T08
2017-10-01 08:19:20 C 03 17 00.14 +15 41 37.2 q 703
2017-10-01 08:26:32 C 03 16 59.65 +15 41 34.8 q 703
2017-10-01 08:33:42 C 03 16 59.20 +15 41 32.0 q 703
2017-10-01 08:40:50 C 03 16 58.68 +15 41 29.0 q 703
2017-10-11 02:28:40 C 03 00 24.55 +14 11 17.8 q 160
2017-10-11 02:31:27 C 03 00 24.32 +14 11 15.5 q 160
2017-10-11 02:34:13 C 03 00 24.02 +14 11 14.8 q 160
2017-10-12 09:26:41 C 02 58 02.08 +13 58 32.8 q H15
2017-10-12 09:37:34 C 02 58 01.21 +13 58 28.0 q H15
2017-10-12 09:46:45 C 02 58 00.47 +13 58 24.1 q H15
2017-10-12 16:32:56 C 02 57 29.39 +13 55 35.5 q D29
2017-10-12 16:41:51 C 02 57 28.69 +13 55 32.4 q D29
2017-10-12 16:58:23 C 02 57 27.37 +13 55 25.0 q D29
2017-10-12 17:07:17 C 02 57 26.63 +13 55 21.4 q D29
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)