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
2017-10-27 06:28:22 C 02 30 08.60 +11 29 21.5 q W98
2017-10-27 06:38:32 C 02 30 07.79 +11 29 16.3 q W98
2017-10-27 06:45:03 C 02 30 07.71 +11 29 06.0 U 703
2017-10-27 06:48:43 C 02 30 06.96 +11 29 12.6 q W98
2017-10-27 06:52:49 C 02 30 07.11 +11 29 02.5 U 703
2017-10-27 07:00:35 C 02 30 06.51 +11 28 59.4 U 703
2017-10-27 07:08:23 C 02 30 05.83 +11 28 56.0 U 703
2017-10-27 10:36:52 C 02 29 50.20 +11 27 34.9 T08
2017-10-27 11:01:29 C 02 29 48.27 +11 27 24.7 T08
2017-10-27 11:09:14 C 02 29 47.70 +11 27 21.7 T08
2017-10-27 11:27:22 C 02 29 46.30 +11 27 14.1 T08
2017-10-29 10:41:47 C 02 26 16.96 +11 08 35.4 T05
2017-10-29 10:43:54 C 02 26 16.84 +11 08 35.1 T05
2017-10-29 11:01:53 C 02 26 15.44 +11 08 28.0 T05
2017-10-29 11:03:21 C 02 26 15.35 +11 08 27.4 T05
2017-10-29 11:04:00 C 02 26 15.30 +11 08 26.7 T05
2017-10-29 11:15:39 C 02 26 14.44 +11 08 22.6 T05
2017-10-30 05:24:50 C 02 24 55.98 +11 01 21.9 U 703
2017-10-30 05:32:30 C 02 24 55.36 +11 01 17.5 U 703
2017-10-30 05:40:11 C 02 24 54.77 +11 01 13.9 U 703
2017-10-30 05:47:49 C 02 24 54.22 +11 01 11.2 U 703
2017-11-07 10:30:18 C 02 11 48.496 +09 51 49.00 L F51
2017-11-07 10:35:14 C 02 11 48.178 +09 51 47.46 L F51
2017-11-07 11:01:44 C 02 11 46.522 +09 51 38.97 L F51
2017-11-07 11:06:55 C 02 11 46.195 +09 51 37.30 L F51
2017-11-07 11:17:45 C 02 11 45.519 +09 51 33.80 L F51
2017-11-07 11:22:43 C 02 11 45.204 +09 51 32.24 L F51
2017-11-16 05:16:15 C 02 00 36.40 +08 53 54.3 U G96
2017-11-16 05:23:47 C 02 00 36.05 +08 53 52.6 U G96
2017-11-16 05:31:21 C 02 00 35.68 +08 53 50.9 U G96
2017-11-16 05:38:54 C 02 00 35.33 +08 53 49.1 U G96
2017-11-19 05:40:51 C 01 57 30.51 +08 38 27.7 U 703
2017-11-19 05:48:27 C 01 57 30.11 +08 38 25.8 U 703
2017-11-19 06:03:44 C 01 57 29.58 +08 38 23.2 U 703
2017-11-25 13:49:30 C 01 52 16.81 +08 13 35.0 q D29
2017-11-25 14:12:25 C 01 52 16.10 +08 13 32.9 q D29
2017-11-25 14:35:19 C 01 52 15.37 +08 13 29.2 q D29
2020-08-27 11:17:27 C 04 41 45.57 +20 18 17.3 V G96
2020-08-27 11:22:48 C 04 41 45.75 +20 18 17.2 V G96
2020-08-27 11:28:09 C 04 41 45.95 +20 18 17.6 V G96
2020-08-27 11:33:31 C 04 41 46.16 +20 18 17.4 V G96
2020-10-23 12:13:47 C 04 37 27.28 +18 46 22.1 V G96
2020-10-23 12:19:50 C 04 37 27.02 +18 46 20.8 V G96
2020-10-23 12:25:52 C 04 37 26.74 +18 46 20.0 V G96
2020-10-23 12:31:56 C 04 37 26.43 +18 46 19.2 V G96
2020-10-25 10:19:16 C 04 35 22.015 +18 39 34.78 U F51
2020-10-25 10:38:46 C 04 35 21.097 +18 39 32.01 U F51
2020-10-25 10:58:12 C 04 35 20.164 +18 39 29.20 U F51
2020-11-10 18:36:50 C 04 13 56.12 +17 33 10.5 q D29
2020-11-10 18:58:28 C 04 13 54.66 +17 33 04.3 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)