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
2008-04-30 00:07:01 C 16 12 05.14 +48 08 59.3 o 198
2008-04-30 04:33:14 C 16 13 21.80 +47 52 02.2 r H51
2008-04-30 04:34:02 C 16 13 22.00 +47 51 59.4 r H51
2008-04-30 04:34:51 C 16 13 22.21 +47 51 56.4 r H51
2008-04-30 04:35:40 C 16 13 22.41 +47 51 53.4 r H51
2008-04-30 04:36:28 C 16 13 22.61 +47 51 50.6 r H51
2008-04-30 04:37:18 C 16 13 22.81 +47 51 47.7 r H51
2008-04-30 04:38:05 C 16 13 23.00 +47 51 44.7 r H51
2008-04-30 04:38:53 C 16 13 23.21 +47 51 41.8 r H51
2008-04-30 04:39:43 C 16 13 23.40 +47 51 39.0 r H51
2008-04-30 04:40:30 C 16 13 23.60 +47 51 36.0 r H51
2008-04-30 04:41:19 C 16 13 23.81 +47 51 33.2 r H51
2008-04-30 04:42:06 C 16 13 24.01 +47 51 30.2 r H51
2008-04-30 04:42:55 C 16 13 24.21 +47 51 27.3 r H51
2008-04-30 04:43:44 C 16 13 24.41 +47 51 24.4 r H51
2008-04-30 04:44:32 C 16 13 24.61 +47 51 21.7 r H51
2008-04-30 04:45:21 C 16 13 24.81 +47 51 18.6 r H51
2008-04-30 04:46:10 C 16 13 25.01 +47 51 15.6 r H51
2008-04-30 04:46:58 C 16 13 25.20 +47 51 12.7 r H51
2008-04-30 04:47:47 C 16 13 25.40 +47 51 09.8 r H51
2008-04-30 04:48:35 C 16 13 25.60 +47 51 06.9 r H51
2008-04-30 21:54:35 C 16 17 44.52 +46 48 37.1 c 127
2008-04-30 21:58:45 C 16 17 45.48 +46 48 22.9 c 127
2008-04-30 22:02:48 C 16 17 46.35 +46 48 09.3 c 127
2008-04-30 22:06:49 C 16 17 47.22 +46 47 55.6 c 127
2008-05-01 02:02:44 C 16 18 36.77 +46 34 23.5 c 510
2008-05-01 02:03:03 C 16 18 36.83 +46 34 22.4 c 510
2008-05-01 02:03:22 C 16 18 36.91 +46 34 21.2 c 510
2008-05-01 19:09:23 C 16 22 26.118 +45 36 45.93 16.0 u A84
2008-05-01 19:12:55 C 16 22 26.858 +45 36 34.64 16.0 u A84
2008-05-01 19:14:41 C 16 22 27.162 +45 36 29.83 16.0 u A84
2008-05-01 19:16:28 C 16 22 27.498 +45 36 24.18 16.0 u A84
2008-05-01 19:18:14 C 16 22 27.862 +45 36 18.62 16.1 u A84
2008-05-01 19:20:00 C 16 22 28.184 +45 36 13.70 16.0 u A84
2008-05-01 19:21:45 C 16 22 28.471 +45 36 08.06 16.0 u A84
2008-05-01 19:23:36 C 16 22 28.840 +45 36 02.65 16.1 u A84
2008-05-01 19:25:31 C 16 22 29.208 +45 35 56.69 16.0 u A84
2008-05-01 19:27:28 C 16 22 29.600 +45 35 50.51 16.0 u A84
2008-05-01 19:29:23 C 16 22 29.952 +45 35 44.80 16.0 u A84
2008-05-01 19:31:13 C 16 22 30.305 +45 35 39.21 16.0 u A84
2008-05-01 19:33:02 C 16 22 30.698 +45 35 33.40 16.0 u A84
2008-05-01 19:34:54 C 16 22 30.976 +45 35 28.08 16.0 u A84
2008-05-01 19:36:40 C 16 22 31.330 +45 35 22.31 16.0 u A84
2008-05-01 19:38:26 C 16 22 31.624 +45 35 17.25 16.0 u A84
2008-05-01 19:40:13 C 16 22 32.000 +45 35 11.65 16.0 u A84
2008-05-01 19:41:59 C 16 22 32.340 +45 35 06.18 16.0 u A84
2008-05-01 19:43:45 C 16 22 32.632 +45 35 01.18 16.1 u A84
2008-05-01 19:45:31 C 16 22 32.992 +45 34 55.40 16.0 u A84
2008-05-01 19:47:18 C 16 22 33.335 +45 34 50.06 16.0 u A84
2008-05-01 19:49:06 C 16 22 33.653 +45 34 44.54 16.1 u A84
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)