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
2008-05-01 19:50:52 C 16 22 33.984 +45 34 39.09 16.0 u A84
2008-05-01 19:52:40 C 16 22 34.322 +45 34 33.80 16.1 u A84
2008-05-01 19:54:26 C 16 22 34.643 +45 34 28.23 16.1 u A84
2008-05-01 19:56:14 C 16 22 34.978 +45 34 22.74 16.1 u A84
2008-05-01 19:58:00 C 16 22 35.280 +45 34 17.49 16.1 u A84
2008-05-01 19:59:47 C 16 22 35.631 +45 34 11.74 16.0 u A84
2008-05-01 20:01:35 C 16 22 35.984 +45 34 06.28 16.0 u A84
2008-05-01 20:03:21 C 16 22 36.268 +45 34 01.30 16.1 u A84
2008-05-01 20:05:11 C 16 22 36.613 +45 33 55.59 16.1 u A84
2008-05-01 20:09:04 C 16 22 37.326 +45 33 43.47 16.1 u A84
2008-05-01 20:30:28 C 16 22 41.11 +45 32 11.7 r 557
2008-05-01 20:59:16 C 16 22 46.58 +45 30 42.9 r 557
2008-05-01 21:30:29 C 16 22 52.37 +45 29 06.7 r 557
2008-05-01 22:01:43 C 16 22 58.04 +45 27 29.9 r 557
2008-05-01 22:30:07 C 16 23 03.17 +45 26 01.5 r 557
2008-05-01 22:32:22 C 16 23 04.36 +45 25 59.2 c B66
2008-05-01 22:59:56 C 16 23 08.46 +45 24 28.5 r 557
2008-05-01 23:29:44 C 16 23 13.69 +45 22 55.0 r 557
2008-05-01 23:53:13 C 16 23 18.48 +45 21 46.9 c B66
2008-05-02 00:03:48 C 16 23 19.62 +45 21 07.6 r 557
2008-05-02 01:18:04 C 16 23 33.59 +45 17 23.8 r B19
2008-05-02 01:19:56 C 16 23 33.92 +45 17 17.9 r B19
2008-05-02 01:22:01 C 16 23 34.24 +45 17 11.5 r B19
2008-05-02 21:36:30 C 16 27 18.63 +44 14 35.7 c 127
2008-05-02 21:40:32 C 16 27 19.28 +44 14 24.3 c 127
2008-05-02 21:44:41 C 16 27 19.92 +44 14 12.4 c 127
2008-05-02 21:52:49 C 16 27 21.21 +44 13 49.8 c 127
2008-05-03 05:56:14 C 16 28 40.09 +43 50 49.3 r H45
2008-05-03 05:58:27 C 16 28 40.41 +43 50 43.3 r H45
2008-05-03 05:59:54 C 16 28 40.61 +43 50 39.1 r H45
2008-05-03 06:01:04 C 16 28 40.78 +43 50 36.1 r H45
2008-05-03 06:02:57 C 16 28 41.02 +43 50 30.7 r H45
2008-05-03 06:04:47 C 16 28 41.28 +43 50 25.6 r H45
2008-05-03 16:10:19 C 16 30 12.93 +43 22 00.0 r 379
2008-05-03 16:13:49 C 16 30 13.36 +43 21 50.3 r 379
2008-05-03 16:37:37 C 16 30 16.32 +43 20 44.4 r 379
2008-05-03 16:50:08 C 16 30 17.86 +43 20 09.6 r 379
2008-05-03 16:53:38 C 16 30 18.34 +43 19 59.8 r 379
2008-05-03 17:06:08 C 16 30 19.82 +43 19 25.2 r 379
2008-05-03 17:22:09 C 16 30 21.81 +43 18 39.8 r 379
2008-05-03 18:52:39 C 16 30 42.088 +43 13 57.58 16.2 u A84
2008-05-03 18:54:34 C 16 30 42.353 +43 13 52.95 16.1 u A84
2008-05-03 18:56:29 C 16 30 42.658 +43 13 47.74 16.3 u A84
2008-05-03 18:58:24 C 16 30 42.904 +43 13 43.04 16.2 u A84
2008-05-03 19:00:16 C 16 30 43.155 +43 13 38.40 16.1 u A84
2008-05-03 19:02:04 C 16 30 43.366 +43 13 33.91 16.2 u A84
2008-05-03 19:03:50 C 16 30 43.649 +43 13 29.16 16.2 u A84
2008-05-03 19:05:36 C 16 30 43.879 +43 13 24.82 16.3 u A84
2008-05-03 19:07:21 C 16 30 44.124 +43 13 20.27 16.2 u A84
2008-05-03 19:09:07 C 16 30 44.377 +43 13 15.65 16.2 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)