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
2008-05-03 19:10:53 C 16 30 44.625 +43 13 10.92 16.3 u A84
2008-05-03 19:12:40 C 16 30 44.845 +43 13 06.49 16.2 u A84
2008-05-03 19:14:26 C 16 30 45.090 +43 13 02.09 16.1 u A84
2008-05-03 19:16:12 C 16 30 45.328 +43 12 57.61 16.2 u A84
2008-05-03 19:17:58 C 16 30 45.574 +43 12 52.96 16.2 u A84
2008-05-03 19:19:43 C 16 30 45.824 +43 12 48.38 16.2 u A84
2008-05-03 19:21:29 C 16 30 46.053 +43 12 43.83 16.2 u A84
2008-05-03 19:23:15 C 16 30 46.306 +43 12 39.25 16.2 u A84
2008-05-03 19:25:02 C 16 30 46.545 +43 12 34.70 16.3 u A84
2008-05-03 19:26:48 C 16 30 46.802 +43 12 30.03 16.3 u A84
2008-05-03 19:28:34 C 16 30 47.046 +43 12 25.39 16.3 u A84
2008-05-03 19:30:19 C 16 30 47.210 +43 12 21.26 16.4 u A84
2008-05-03 19:32:05 C 16 30 47.510 +43 12 16.38 16.3 u A84
2008-05-03 19:33:51 C 16 30 47.747 +43 12 12.06 16.2 u A84
2008-05-03 19:40:56 C 16 30 48.659 +43 11 54.09 16.4 u A84
2008-05-03 19:42:41 C 16 30 48.912 +43 11 49.18 16.3 u A84
2008-05-03 19:44:27 C 16 30 49.135 +43 11 44.31 16.3 u A84
2008-05-03 19:46:13 C 16 30 49.393 +43 11 40.06 16.4 u A84
2008-05-03 19:48:00 C 16 30 49.632 +43 11 35.17 16.3 u A84
2008-05-03 19:49:46 C 16 30 49.874 +43 11 30.83 16.4 u A84
2008-05-03 19:51:32 C 16 30 50.111 +43 11 26.00 16.3 u A84
2008-05-03 19:55:05 C 16 30 50.559 +43 11 17.25 16.4 u A84
2008-05-03 19:56:51 C 16 30 50.803 +43 11 12.40 16.4 u A84
2008-05-03 20:45:47 C 16 30 57.16 +43 08 42.1 r 557
2008-05-03 21:15:34 C 16 31 01.15 +43 07 24.6 r 557
2008-05-03 21:45:23 C 16 31 05.05 +43 06 06.7 r 557
2008-05-03 22:15:00 C 16 31 09.36 +43 04 47.4 c 196
2008-05-03 23:14:46 C 16 31 16.45 +43 02 11.1 r 557
2008-05-03 23:18:38 C 16 31 17.52 +43 01 59.7 c 196
2008-05-03 23:44:33 C 16 31 20.14 +43 00 51.9 r 557
2008-05-03 23:44:38 C 16 31 20.75 +43 00 51.1 c 196
2008-05-04 00:16:09 C 16 31 24.67 +42 59 27.0 c 196
2008-05-04 00:30:09 C 16 31 25.74 +42 58 49.6 r 557
2008-05-04 00:59:56 C 16 31 29.37 +42 57 29.2 r 557
2008-05-04 01:29:45 C 16 31 33.00 +42 56 08.3 r 557
2008-05-04 01:59:32 C 16 31 36.63 +42 54 46.9 r 557
2008-05-04 07:22:08 C 16 32 25.44 +42 40 49.6 r G93
2008-05-04 20:14:59 C 16 34 08.20 +42 06 47.5 r 557
2008-05-04 20:34:35 C 16 34 10.68 +42 05 56.0 c 127
2008-05-04 20:38:49 C 16 34 11.16 +42 05 45.9 c 127
2008-05-04 20:43:35 C 16 34 11.76 +42 05 34.4 c 127
2008-05-04 20:47:36 C 16 34 12.01 +42 05 29.0 r 557
2008-05-04 20:52:07 C 16 34 12.77 +42 05 13.6 c 127
2008-05-04 21:16:24 C 16 34 15.30 +42 04 19.7 r 557
2008-05-04 21:45:12 C 16 34 18.52 +42 03 10.0 r 557
2008-05-04 23:52:24 C 16 34 35.34 +41 58 14.5 r J51
2008-05-04 23:58:04 C 16 34 35.92 +41 58 01.1 r J51
2008-05-05 00:03:42 C 16 34 36.52 +41 57 47.9 r J51
2008-05-05 04:01:45 C 16 35 05.26 +41 47 35.1 H67
2008-05-05 04:32:19 C 16 35 08.53 +41 46 22.6 H67
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)