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
2006-02-25 12:05:10 C 13 49 18.62 -12 23 01.6 r G96
2006-02-27 10:58:44 C 13 55 36.30 -12 50 04.6 17.6 c 704
2006-02-27 11:15:48 C 13 55 38.60 -12 50 13.8 18.5 c 704
2006-02-27 11:49:50 C 13 55 43.16 -12 50 33.4 18.1 c 704
2006-02-27 12:06:53 C 13 55 45.48 -12 50 43.6 18.4 c 704
2006-03-03 08:39:46 C 14 09 40.48 -13 46 54.9 16.5 c 704
2006-03-03 08:56:46 C 14 09 43.19 -13 47 06.0 16.9 c 704
2006-03-03 09:13:46 C 14 09 45.86 -13 47 16.8 16.8 c 704
2006-03-03 09:30:51 C 14 09 48.58 -13 47 27.6 16.9 c 704
2006-03-03 10:42:59 C 14 10 00.00 -13 48 13.6 o 699
2006-03-03 11:13:15 C 14 10 04.76 -13 48 33.1 o 699
2006-03-03 12:13:46 C 14 10 14.14 -13 49 11.0 o 699
2006-03-03 16:09:23 C 14 10 54.03 -13 51 39.3 r 379
2006-03-03 16:12:17 C 14 10 54.51 -13 51 40.9 r 379
2006-03-03 16:15:09 C 14 10 54.97 -13 51 42.4 r 379
2006-03-03 16:20:53 C 14 10 55.88 -13 51 46.6 r 379
2006-03-03 16:23:46 C 14 10 56.33 -13 51 48.5 r 379
2006-03-03 16:26:38 C 14 10 56.81 -13 51 49.9 r 379
2006-03-05 10:08:58 C 14 18 04.86 -14 18 40.7 16.5 c 704
2006-03-05 10:25:43 C 14 18 07.76 -14 18 52.0 16.6 c 704
2006-03-05 10:42:28 C 14 18 10.69 -14 19 02.7 16.6 c 704
2006-03-09 07:09:59 C 14 36 18.50 -15 21 25.7 o 808
2006-03-09 07:19:30 C 14 36 20.43 -15 21 31.4 o 808
2006-03-09 08:30:51 C 14 36 36.45 -15 22 46.5 17.1 c 704
2006-03-09 08:47:14 C 14 36 39.88 -15 22 58.3 16.9 c 704
2006-03-09 09:03:31 C 14 36 43.29 -15 23 09.7 17.3 c 704
2006-03-09 09:20:03 C 14 36 46.81 -15 23 21.9 17.1 c 704
2006-03-09 09:36:20 C 14 36 50.23 -15 23 32.9 17.0 c 704
2006-03-23 18:57:47 C 16 34 16.57 -19 16 04.5 r 379
2006-03-23 19:00:40 C 16 34 18.01 -19 16 05.9 r 379
2006-03-23 19:09:16 C 16 34 22.25 -19 16 08.9 r 379
2006-03-23 19:12:10 C 16 34 23.71 -19 16 10.5 r 379
2006-03-24 10:47:02 C 16 42 26.83 -19 21 20.7 16.4 c 704
2006-03-24 11:02:29 C 16 42 34.80 -19 21 25.2 16.5 c 704
2006-03-24 11:17:57 C 16 42 42.76 -19 21 29.3 16.6 c 704
2006-03-24 11:36:36 C 16 42 52.40 -19 21 35.5 16.6 c 704
2006-03-24 18:38:51 C 16 46 36.30 -19 22 47.7 r E12
2006-03-24 18:46:22 C 16 46 40.22 -19 22 49.8 r E12
2006-03-24 18:53:49 C 16 46 44.11 -19 22 51.6 r E12
2006-03-24 19:01:18 C 16 46 48.03 -19 22 53.4 r E12
2006-08-23 01:38:01 C 03 47 45.58 +19 01 16.8 r A14
2006-08-23 02:17:33 C 03 47 46.67 +19 01 17.1 r A14
2006-08-23 02:57:10 C 03 47 47.73 +19 01 16.9 r A14
2006-08-29 09:59:43 C 03 51 12.31 +18 57 22.9 r 703
2006-08-29 10:10:00 C 03 51 12.49 +18 57 21.7 r 703
2006-08-29 10:20:18 C 03 51 12.67 +18 57 22.3 r 703
2006-08-29 10:30:39 C 03 51 12.88 +18 57 21.4 r 703
2006-09-16 10:20:54 C 03 50 53.48 +18 13 15.7 r 703
2006-09-16 10:30:12 C 03 50 53.26 +18 13 13.3 r 703
2006-09-16 10:39:29 C 03 50 53.08 +18 13 12.9 r 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)