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
2023-11-08 14:45:21 C 05 29 19.214 +19 42 52.99 X F51
2023-11-08 14:55:34 C 05 29 18.774 +19 42 52.29 X F51
2023-11-08 15:15:57 C 05 29 17.940 +19 42 50.61 X F51
2023-12-04 07:51:12 C 04 58 20.875 +18 51 40.51 X F51
2023-12-04 08:11:41 C 04 58 19.718 +18 51 38.75 X F51
2023-12-04 08:32:04 C 04 58 18.559 +18 51 36.90 X F51
2023-12-04 08:54:20 C 04 58 17.306 +18 51 35.04 X F51
2023-12-04 09:26:52 C 04 58 15.233 +18 51 31.39 V G96
2023-12-04 09:34:15 C 04 58 14.855 +18 51 30.49 V G96
2023-12-04 09:41:39 C 04 58 14.416 +18 51 29.92 V G96
2023-12-04 09:49:02 C 04 58 13.976 +18 51 28.87 V G96
2023-12-07 08:10:57 C 04 54 20.442 +18 45 08.40 X F52
2023-12-07 08:28:38 C 04 54 19.444 +18 45 07.05 X F52
2023-12-07 08:46:23 C 04 54 18.453 +18 45 05.44 X F52
2023-12-07 09:04:25 C 04 54 17.426 +18 45 03.78 X F52
2023-12-10 07:43:44 C 04 50 24.745 +18 38 42.98 X F52
2023-12-10 08:01:24 C 04 50 23.770 +18 38 41.27 X F52
2023-12-10 08:19:03 C 04 50 22.772 +18 38 39.73 X F52
2023-12-10 08:36:53 C 04 50 21.790 +18 38 38.13 X F52
2023-12-15 11:14:06 C 04 43 48.178 +18 27 54.04 X F51
2023-12-15 11:35:23 C 04 43 47.051 +18 27 52.05 X F51
2023-12-15 11:56:02 C 04 43 45.928 +18 27 50.61 X F51
2023-12-15 12:16:35 C 04 43 44.860 +18 27 48.37 X F51
2024-01-05 05:34:24 C 04 22 00.285 +17 54 13.17 X F52
2024-01-05 05:53:12 C 04 21 59.642 +17 54 12.34 X F52
2024-01-05 06:31:03 C 04 21 58.353 +17 54 10.90 X F52
2024-12-09 12:57:29 C 09 13 41.551 +12 47 48.33 X F51
2024-12-09 13:13:35 C 09 13 41.478 +12 47 47.48 X F51
2024-12-09 13:29:50 C 09 13 41.366 +12 47 47.27 X F51
2024-12-09 13:46:18 C 09 13 41.279 +12 47 47.22 X F51
2024-12-23 14:29:03 C 09 09 04.175 +12 54 21.83 X F52
2024-12-23 14:47:04 C 09 09 03.744 +12 54 23.01 X F52
2024-12-23 15:04:41 C 09 09 03.312 +12 54 24.09 X F52
2024-12-23 15:22:18 C 09 09 02.870 +12 54 25.09 X F52
2024-12-24 10:57:01 C 09 08 35.077 +12 55 40.87 V G96
2024-12-24 11:04:25 C 09 08 34.933 +12 55 41.45 V G96
2024-12-24 11:11:50 C 09 08 34.717 +12 55 41.81 V G96
2024-12-24 11:19:16 C 09 08 34.516 +12 55 42.46 V G96
2024-12-27 10:40:11 C 09 06 41.518 +13 01 15.14 X F51
2024-12-27 10:56:24 C 09 06 41.040 +13 01 16.66 X F51
2024-12-27 11:12:37 C 09 06 40.560 +13 01 18.00 X F51
2024-12-27 11:28:50 C 09 06 40.073 +13 01 19.50 X F51
2025-01-01 11:01:32 C 09 02 49.402 +13 13 42.21 X F52
2025-01-01 11:19:50 C 09 02 48.721 +13 13 44.35 X F52
2025-01-01 11:38:08 C 09 02 48.041 +13 13 46.54 X F52
2025-01-01 11:56:29 C 09 02 47.358 +13 13 48.90 X F52
2025-01-03 09:14:26 C 09 01 06.539 +13 19 29.96 V G96
2025-01-03 09:21:57 C 09 01 06.247 +13 19 31.22 V G96
2025-01-03 09:29:28 C 09 01 05.934 +13 19 31.98 V G96
2025-01-03 09:37:00 C 09 01 05.624 +13 19 32.92 V 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)