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
2020-11-10 19:20:07 C 04 13 53.42 +17 33 00.0 q D29
2020-11-19 11:16:35 C 04 01 10.155 +16 54 04.39 U F51
2020-11-19 11:35:38 C 04 01 08.952 +16 54 00.69 U F51
2020-11-19 11:54:37 C 04 01 07.768 +16 53 57.13 U F51
2020-11-19 12:13:40 C 04 01 06.581 +16 53 53.56 U F51
2020-11-20 00:51:24 C 04 00 20.42 +16 51 31.8 c J04
2020-11-20 01:08:14 C 04 00 19.42 +16 51 27.9 c J04
2020-11-23 06:51:37 C 03 55 36.96 +16 36 59.7 V G96
2020-11-23 06:58:58 C 03 55 36.52 +16 36 58.1 V G96
2020-11-23 07:08:45 C 03 55 35.92 +16 36 56.3 V G96
2020-11-23 07:16:06 C 03 55 35.48 +16 36 54.9 V G96
2020-12-05 08:23:56 C 03 39 22.52 +15 47 14.9 V G96
2020-12-05 08:31:20 C 03 39 22.12 +15 47 13.8 V G96
2020-12-05 08:38:43 C 03 39 21.73 +15 47 12.3 V G96
2020-12-05 08:46:07 C 03 39 21.37 +15 47 11.5 V G96
2020-12-10 06:31:30 C 03 33 39.548 +15 30 05.22 U F51
2020-12-10 06:50:10 C 03 33 38.670 +15 30 02.66 U F51
2020-12-10 07:08:54 C 03 33 37.796 +15 30 00.19 U F51
2020-12-10 07:27:53 C 03 33 36.904 +15 29 57.72 U F51
2020-12-11 06:37:55 C 03 32 34.256 +15 26 52.28 U F51
2020-12-11 06:56:02 C 03 32 33.425 +15 26 49.89 U F51
2020-12-11 07:14:19 C 03 32 32.596 +15 26 47.68 U F51
2021-01-15 07:11:02 C 03 13 58.823 +14 49 16.12 U F51
2021-01-15 07:27:30 C 03 13 58.802 +14 49 16.84 U F51
2021-01-15 07:44:00 C 03 13 58.782 +14 49 17.57 U F51
2021-01-15 08:00:29 C 03 13 58.747 +14 49 18.08 U F51
2021-02-07 06:19:55 C 03 20 01.003 +15 33 46.45 U F51
2021-02-07 06:36:56 C 03 20 01.334 +15 33 48.40 U F51
2021-02-07 06:53:58 C 03 20 01.685 +15 33 50.26 U F51
2021-02-07 07:11:00 C 03 20 02.026 +15 33 52.28 U F51
2021-12-29 18:52:11 C 07 44 25.89 +17 27 15.7 V D29
2021-12-29 19:12:33 C 07 44 24.86 +17 27 18.2 V D29
2022-01-06 07:30:04 C 07 34 56.85 +17 47 58.3 V G96
2022-01-06 07:37:32 C 07 34 56.45 +17 47 59.2 V G96
2022-01-06 07:45:01 C 07 34 55.98 +17 48 00.3 V G96
2022-01-06 07:52:29 C 07 34 55.55 +17 48 01.1 V G96
2022-01-07 07:50:26 C 07 33 36.703 +17 50 55.29 U F52
2022-01-07 08:07:44 C 07 33 35.733 +17 50 57.45 U F52
2022-01-07 08:25:04 C 07 33 34.762 +17 50 59.59 U F52
2022-01-07 08:42:24 C 07 33 33.779 +17 51 01.89 U F52
2022-01-29 06:29:11 C 07 04 20.129 +18 54 59.18 U F52
2022-01-29 06:46:29 C 07 04 19.216 +18 55 01.16 U F52
2022-01-29 07:03:47 C 07 04 18.298 +18 55 03.04 U F52
2022-01-29 07:21:08 C 07 04 17.380 +18 55 05.16 U F52
2023-08-29 14:34:49 C 05 27 03.332 +21 00 46.56 X F52
2023-08-29 14:41:20 C 05 27 03.583 +21 00 46.80 X F52
2023-08-29 14:47:48 C 05 27 03.815 +21 00 46.41 X F52
2023-10-26 11:08:47 C 05 39 33.979 +20 04 02.55 X F51
2023-10-26 11:39:54 C 05 39 33.195 +20 04 01.07 X F51
2023-10-26 11:55:22 C 05 39 32.791 +20 04 00.19 X F51
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)