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
2008-05-05 05:02:49 C 16 35 11.62 +41 45 10.2 H67
2008-05-05 05:34:54 C 16 35 14.85 +41 43 53.4 H67
2008-05-05 05:36:55 C 16 35 15.03 +41 43 48.8 H67
2008-05-05 06:22:37 C 16 35 19.52 +41 41 58.4 H67
2008-05-05 06:53:07 C 16 35 22.49 +41 40 44.4 H67
2008-05-05 07:01:41 C 16 35 24.18 +41 40 31.9 r H45
2008-05-05 07:03:00 C 16 35 24.32 +41 40 28.6 r H45
2008-05-05 07:04:03 C 16 35 24.41 +41 40 26.0 r H45
2008-05-05 07:08:10 C 16 35 24.80 +41 40 16.2 r H45
2008-05-05 07:10:55 C 16 35 25.07 +41 40 09.5 r H45
2008-05-05 07:12:50 C 16 35 25.26 +41 40 04.9 r H45
2008-05-05 07:30:43 C 16 35 26.11 +41 39 12.5 H67
2008-05-05 07:40:53 C 16 35 27.11 +41 38 47.4 H67
2008-05-05 19:28:12 C 16 36 52.17 +41 09 49.5 o 151
2008-05-05 19:30:24 C 16 36 52.38 +41 09 44.9 o 151
2008-05-05 19:32:35 C 16 36 52.56 +41 09 40.8 o 151
2008-05-06 02:56:48 C 16 37 40.07 +40 52 35.9 H67
2008-05-06 03:12:44 C 16 37 41.58 +40 52 01.4 H67
2008-05-06 03:28:41 C 16 37 43.12 +40 51 26.2 H67
2008-05-06 03:49:05 C 16 37 45.01 +40 50 41.5 H67
2008-05-06 04:47:14 C 16 37 52.12 +40 48 32.0 r G93
2008-05-06 05:34:03 C 16 37 54.21 +40 46 49.8 H67
2008-05-06 05:47:30 C 16 37 55.27 +40 46 19.7 H67
2008-05-06 05:58:43 C 16 37 56.24 +40 45 54.7 H67
2008-05-06 06:07:43 C 16 37 57.03 +40 45 34.5 H67
2008-05-06 13:53:17 C 16 38 45.65 +40 28 01.2 r 379
2008-05-06 14:34:09 C 16 38 48.87 +40 26 33.3 r 379
2008-05-06 14:37:39 C 16 38 49.18 +40 26 25.6 r 379
2008-05-06 15:06:08 C 16 38 51.35 +40 25 23.5 r 379
2008-05-06 15:09:38 C 16 38 51.63 +40 25 15.8 r 379
2008-05-06 15:13:08 C 16 38 51.95 +40 25 08.4 r 379
2008-05-06 15:29:08 C 16 38 53.12 +40 24 33.9 r 379
2008-05-06 19:38:47 C 16 39 19.92 +40 14 39.5 o 151
2008-05-06 19:41:00 C 16 39 20.11 +40 14 34.7 o 151
2008-05-06 19:43:13 C 16 39 20.29 +40 14 30.0 o 151
2008-05-06 20:16:21 C 16 39 23.00 +40 13 22.0 r 557
2008-05-06 20:45:38 C 16 39 25.54 +40 12 20.7 r 557
2008-05-06 21:14:55 C 16 39 28.02 +40 11 19.5 r 557
2008-05-06 21:21:35 C 16 39 28.88 +40 11 04.5 o 198
2008-05-06 21:24:13 C 16 39 29.10 +40 10 58.9 o 198
2008-05-06 21:26:50 C 16 39 29.32 +40 10 53.4 o 198
2008-05-06 21:29:28 C 16 39 29.54 +40 10 47.9 o 198
2008-05-06 21:32:06 C 16 39 29.77 +40 10 42.5 o 198
2008-05-06 21:44:13 C 16 39 30.43 +40 10 17.8 r 557
2008-05-06 22:15:46 C 16 39 32.99 +40 09 11.2 r 557
2008-05-06 22:45:02 C 16 39 35.30 +40 08 09.2 r 557
2008-05-06 23:14:38 C 16 39 37.60 +40 07 06.1 r 557
2008-05-06 23:46:11 C 16 39 40.02 +40 05 58.4 r 557
2008-05-07 00:15:27 C 16 39 42.25 +40 04 55.3 r 557
2008-05-07 00:44:45 C 16 39 44.47 +40 03 51.5 r 557
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)