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
2017-10-12 17:32:45 C 02 57 24.62 +13 55 11.0 q D29
2017-10-13 08:58:07 C 02 56 12.80 +13 48 45.2 U 703
2017-10-13 09:05:17 C 02 56 12.17 +13 48 42.4 U 703
2017-10-13 09:12:26 C 02 56 11.60 +13 48 39.6 U 703
2017-10-13 09:19:36 C 02 56 11.03 +13 48 37.0 U 703
2017-10-14 02:50:21 C 02 54 48.80 +13 41 27.2 o K95
2017-10-14 02:51:59 C 02 54 48.67 +13 41 25.3 o K95
2017-10-16 07:42:46 C 02 50 39.84 +13 19 00.4 U 703
2017-10-16 07:50:23 C 02 50 39.19 +13 18 57.1 U 703
2017-10-16 07:57:57 C 02 50 38.63 +13 18 54.0 U 703
2017-10-16 08:05:30 C 02 50 37.99 +13 18 50.3 U 703
2017-10-19 00:30:39 C 02 45 31.88 +12 51 30.3 q 160
2017-10-19 00:33:39 C 02 45 31.64 +12 51 28.9 q 160
2017-10-19 00:36:38 C 02 45 31.35 +12 51 27.7 q 160
2017-10-19 09:04:33 C 02 44 51.08 +12 47 53.6 U 703
2017-10-19 09:12:04 C 02 44 50.47 +12 47 50.6 U 703
2017-10-19 09:19:35 C 02 44 49.86 +12 47 47.3 U 703
2017-10-19 09:52:34 C 02 44 47.19 +12 47 34.4 U 703
2017-10-19 11:04:56 C 02 44 41.67 +12 47 05.9 T08
2017-10-19 11:24:06 C 02 44 40.08 +12 46 57.4 T08
2017-10-19 11:25:30 C 02 44 39.84 +12 46 55.3 T08
2017-10-19 11:35:32 C 02 44 39.14 +12 46 52.7 T08
2017-10-19 11:50:08 C 02 44 37.97 +12 46 45.2 T08
2017-10-19 11:50:47 C 02 44 37.92 +12 46 46.6 T08
2017-10-19 12:06:45 C 02 44 36.58 +12 46 39.0 T08
2017-10-19 13:15:25 C 02 44 31.022 +12 46 09.18 L F51
2017-10-19 13:31:34 C 02 44 29.706 +12 46 02.33 L F51
2017-10-19 13:47:38 C 02 44 28.391 +12 45 55.36 L F51
2017-10-23 07:51:59 C 02 37 23.66 +12 07 58.3 U G96
2017-10-23 07:59:32 C 02 37 23.06 +12 07 55.2 U G96
2017-10-23 08:07:00 C 02 37 22.46 +12 07 52.1 U G96
2017-10-23 08:14:32 C 02 37 21.85 +12 07 49.0 U G96
2017-10-23 11:23:59 C 02 37 07.04 +12 06 32.7 T08
2017-10-23 11:29:49 C 02 37 06.62 +12 06 30.4 T08
2017-10-23 11:52:26 C 02 37 04.77 +12 06 19.9 T08
2017-10-23 12:04:42 C 02 37 03.79 +12 06 15.2 T08
2017-10-24 00:12:30 C 02 36 07.41 +12 01 08.9 q 160
2017-10-24 00:15:18 C 02 36 07.19 +12 01 06.7 q 160
2017-10-24 00:18:06 C 02 36 06.91 +12 01 04.9 q 160
2017-10-24 07:20:22 C 02 35 34.42 +11 58 13.1 U 703
2017-10-24 07:28:45 C 02 35 33.71 +11 58 10.1 U 703
2017-10-24 07:37:11 C 02 35 33.03 +11 58 05.9 U 703
2017-10-24 07:45:34 C 02 35 32.36 +11 58 02.4 U 703
2017-10-24 23:22:33 C 02 34 20.14 +11 51 34.1 U 130
2017-10-24 23:25:16 C 02 34 19.93 +11 51 32.9 U 130
2017-10-24 23:27:29 C 02 34 19.76 +11 51 32.3 U 130
2017-10-24 23:29:42 C 02 34 19.58 +11 51 31.4 U 130
2017-10-25 23:27:08 C 02 32 29.57 +11 41 43.3 U 160
2017-10-25 23:30:08 C 02 32 29.35 +11 41 42.1 U 160
2017-10-25 23:33:08 C 02 32 29.11 +11 41 41.0 U 160
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)