399774 (2005 NB7)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5170507107 ± 4.16e-09
Semi-major axis (a)2.0444757192 AU ± 6.86e-09
Inclination (i)12.69671551° ± 1.29e-06
Long. of Asc. Node (Ω)199.13532592° ± 1.75e-06
Arg. of Perihelion (ω)348.14961606° ± 3.22e-06
Mean Anomaly (M)12.50553238° ± 1.17e-05
Mean Motion (n)0.3371625583°/day ± 1.70e-09
Perihelion dist (q)0.98737810 AU ± 9.13e-09
Aphelion dist (Q)3.10157334 AU ± 1.34e-08
Orbital Period2.92329696 yr ± 1.47e-08
Physical Parameters
H (abs. magnitude)18.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.225″
Uncertainty0
Orbit TypeApollo
MOID0.006939 AU
Observations Used899
Radar Obs Used2
Oppositions5
Arc Total2001-2023
First Observation Used2001-12-18
Last Observation Used2023-08-21
Observations (933)
Date Type RA Dec Mag Band Observatory
2008-05-10 19:47:50 C 16 46 23.76 +37 06 13.2 o 151
2008-05-10 19:49:06 C 16 46 23.85 +37 06 11.1 o 151
2008-05-10 19:50:22 C 16 46 23.92 +37 06 09.0 o 151
2008-05-10 20:05:04 C 16 46 24.44 +37 05 44.9 r 557
2008-05-10 20:34:16 C 16 46 25.89 +37 04 56.4 r 557
2008-05-10 21:03:28 C 16 46 27.30 +37 04 07.8 r 557
2008-05-10 21:32:40 C 16 46 28.66 +37 03 18.8 r 557
2008-05-10 22:01:50 C 16 46 29.99 +37 02 29.8 r 557
2008-05-10 22:31:03 C 16 46 31.25 +37 01 40.6 r 557
2008-05-10 23:00:15 C 16 46 32.50 +37 00 51.0 r 557
2008-05-11 00:01:33 C 16 46 35.07 +36 59 06.0 r 557
2008-05-11 00:30:43 C 16 46 36.27 +36 58 15.4 r 557
2008-05-11 01:01:37 C 16 46 37.54 +36 57 21.7 r 557
2008-05-11 01:30:50 C 16 46 38.74 +36 56 30.6 r 557
2008-05-11 02:00:00 C 16 46 39.94 +36 55 39.1 r 557
2008-05-11 13:48:21 C 16 47 20.87 +36 35 37.0 o 300
2008-05-11 13:50:00 C 16 47 20.96 +36 35 34.0 o 300
2008-05-11 13:51:41 C 16 47 21.03 +36 35 31.3 o 300
2008-05-11 13:53:21 C 16 47 21.11 +36 35 28.6 o 300
2008-05-11 21:53:47 C 16 47 44.80 +36 21 50.5 r B67
2008-05-11 22:03:48 C 16 47 45.14 +36 21 34.3 r B67
2008-05-11 22:13:46 C 16 47 45.59 +36 21 18.6 r B67
2008-05-11 23:15:19 C 16 47 47.54 +36 19 36.5 r 113
2008-05-11 23:16:33 C 16 47 47.59 +36 19 34.5 r 113
2008-05-11 23:17:51 C 16 47 47.63 +36 19 32.4 r 113
2008-05-11 23:19:15 C 16 47 47.68 +36 19 30.2 r 113
2008-05-11 23:20:28 C 16 47 47.73 +36 19 28.3 r 113
2008-05-12 20:35:46 C 16 48 47.63 +35 44 43.4 r 113
2008-05-12 20:37:33 C 16 48 47.72 +35 44 40.5 r 113
2008-05-12 20:39:14 C 16 48 47.77 +35 44 38.1 r 113
2008-05-12 20:40:54 C 16 48 47.82 +35 44 35.5 r 113
2008-05-12 20:42:35 C 16 48 47.88 +35 44 33.1 r 113
2008-05-12 23:50:39 C 16 48 54.32 +35 39 42.2 o 510
2008-05-12 23:54:45 C 16 48 54.46 +35 39 35.7 o 510
2008-05-12 23:57:30 C 16 48 54.54 +35 39 31.4 o 510
2008-05-13 21:11:37 C 16 49 47.57 +35 06 22.2 c B66
2008-05-13 23:09:05 C 16 49 50.80 +35 03 29.5 c B66
2008-05-14 06:42:48 C 16 50 08.05 +34 52 10.6 r 703
2008-05-14 06:53:04 C 16 50 08.30 +34 51 55.0 r 703
2008-05-14 07:03:20 C 16 50 08.52 +34 51 39.8 r 703
2008-05-14 07:13:41 C 16 50 08.77 +34 51 25.0 r 703
2008-05-17 08:20:42 C 16 52 17.36 +33 06 45.6 r H45
2008-05-17 08:23:32 C 16 52 17.38 +33 06 41.8 r H45
2008-05-17 08:28:51 C 16 52 17.47 +33 06 34.4 r H45
2008-05-17 08:30:59 C 16 52 17.49 +33 06 31.3 r H45
2008-05-17 08:35:31 C 16 52 17.53 +33 06 25.0 r H45
2008-05-19 03:42:08 C 16 53 15.92 +32 08 53.5 r H51
2008-05-19 03:42:58 C 16 53 15.92 +32 08 52.3 r H51
2008-05-19 03:43:45 C 16 53 15.94 +32 08 51.4 r H51
2008-05-19 03:44:34 C 16 53 15.95 +32 08 50.7 r H51
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2008-04-11 21:06:00 52943338.39 8 us 2380 -1 -1
2008-04-11 21:06:00 103796.3203 1 Hz 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)