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
2017-03-22 00:23:49 C 11 55 35.58 +00 20 08.6 q Z80
2017-03-22 00:25:31 C 11 55 35.48 +00 20 10.4 q Z80
2017-03-22 00:27:34 C 11 55 35.33 +00 20 13.2 q Z80
2017-03-22 03:25:22 C 11 55 24.37 +00 23 37.7 q W88
2017-03-22 03:44:08 C 11 55 22.94 +00 23 54.2 q W88
2017-03-22 04:05:17 C 11 55 21.39 +00 24 13.0 q W88
2017-03-22 05:35:55 C 11 55 14.51 +00 25 33.9 q W88
2017-03-22 05:37:08 C 11 55 15.22 +00 24 49.2 P V78
2017-03-22 05:47:00 C 11 55 14.50 +00 24 57.5 P V78
2017-03-22 05:59:28 C 11 55 13.57 +00 25 08.9 P V78
2017-03-24 07:45:05 C 11 51 35.81 +01 13 21.4 q H45
2017-03-24 07:46:16 C 11 51 35.70 +01 13 22.7 q H45
2017-03-24 07:47:36 C 11 51 35.59 +01 13 24.1 q H45
2017-03-24 07:48:39 C 11 51 35.50 +01 13 25.1 q H45
2017-03-24 07:49:32 C 11 51 35.42 +01 13 26.0 q H45
2017-03-24 07:50:35 C 11 51 35.33 +01 13 27.1 q H45
2017-03-24 10:31:38 C 11 51 21.97 +01 16 18.4 o 691
2017-03-24 10:56:31 C 11 51 19.85 +01 16 44.6 o 691
2017-03-24 11:21:25 C 11 51 17.76 +01 17 11.0 o 691
2017-03-24 11:38:11 C 11 51 17.48 +01 17 35.9 L T05
2017-03-24 12:02:00 C 11 51 15.36 +01 18 01.0 L T05
2017-03-24 12:24:59 C 11 51 13.32 +01 18 25.6 L T05
2017-03-24 12:50:06 C 11 51 11.10 +01 18 52.1 L T05
2017-03-24 22:27:59 C 11 50 26.51 +01 28 59.6 14.9 q Z87
2017-03-24 22:43:29 C 11 50 25.17 +01 29 16.8 14.7 q Z87
2017-03-24 22:58:15 C 11 50 23.85 +01 29 32.6 14.5 q Z87
2017-03-25 00:20:56 C 11 50 15.51 +01 31 57.8 o K95
2017-03-25 00:32:36 C 11 50 14.45 +01 32 10.8 o K95
2017-03-25 00:45:40 C 11 50 13.26 +01 32 25.2 o K95
2017-03-25 06:02:18 C 11 49 48.84 +01 37 35.6 q G96
2017-03-25 06:08:27 C 11 49 48.26 +01 37 42.1 q G96
2017-03-25 06:14:36 C 11 49 47.70 +01 37 49.5 q G96
2017-03-25 06:20:45 C 11 49 47.10 +01 37 56.1 q G96
2017-03-25 06:30:45 C 11 49 46.19 +01 38 07.2 q 703
2017-03-25 06:37:07 C 11 49 45.55 +01 38 14.5 q 703
2017-03-25 06:43:29 C 11 49 44.93 +01 38 21.8 q 703
2017-03-25 06:49:51 C 11 49 44.28 +01 38 29.2 q 703
2017-03-25 11:24:31 C 11 49 19.95 +01 43 49.9 L T08
2017-03-25 11:45:33 C 11 49 17.92 +01 44 13.9 L T08
2017-03-25 12:06:35 C 11 49 15.91 +01 44 37.9 L T08
2017-03-25 12:27:39 C 11 49 13.90 +01 45 02.1 L T08
2017-03-25 21:07:44 C 11 48 31.38 +01 54 50.9 13.3 q Z43
2017-03-25 21:12:34 C 11 48 30.82 +01 54 53.9 14.7 q Z87
2017-03-25 21:29:59 C 11 48 29.10 +01 55 17.1 14.2 q Z87
2017-03-25 21:45:38 C 11 48 27.69 +01 55 35.1 14.4 q Z87
2017-03-25 22:20:41 C 11 48 24.45 +01 56 17.8 12.7 q Z43
2017-03-25 23:18:36 C 11 48 18.82 +01 57 26.8 12.8 q Z43
2017-03-26 07:07:24 C 11 47 36.25 +02 07 03.0 q 703
2017-03-26 07:15:25 C 11 47 35.44 +02 07 12.8 q 703
2017-03-26 07:23:26 C 11 47 34.62 +02 07 22.6 q 703
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)