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
2008-04-19 06:43:13 C 10 41 25.01 +63 54 44.3 r H45
2008-04-19 06:44:20 C 10 41 27.89 +63 54 51.7 r H45
2008-04-19 06:45:03 C 10 41 29.85 +63 54 57.0 r H45
2008-04-19 06:46:20 C 10 41 33.24 +63 55 05.7 r H45
2008-04-19 06:48:06 C 10 41 37.91 +63 55 17.2 r H45
2008-04-19 20:55:00 C 11 21 04.93 +65 12 09.2 c A48
2008-04-19 20:56:45 C 11 21 09.70 +65 12 15.9 c A48
2008-04-19 20:58:30 C 11 21 14.47 +65 12 22.8 c A48
2008-04-19 21:00:14 C 11 21 19.21 +65 12 29.7 c A48
2008-04-20 21:08:15 C 12 27 53.14 +65 46 40.7 14.6 o A97
2008-04-20 21:13:15 C 12 28 02.14 +65 46 47.9 o A92
2008-04-20 21:18:23 C 12 28 18.87 +65 46 32.5 14.7 o A97
2008-04-20 21:23:35 C 12 28 28.32 +65 46 37.5 o A92
2008-04-20 21:28:30 C 12 28 44.58 +65 46 23.7 14.6 o A97
2008-04-20 21:34:41 C 12 29 03.10 +65 46 09.7 c 510
2008-04-20 21:35:09 C 12 29 04.25 +65 46 09.1 c 510
2008-04-20 21:35:35 C 12 29 05.42 +65 46 08.8 c 510
2008-04-20 21:38:38 C 12 29 10.24 +65 46 14.7 14.6 o A97
2008-04-20 22:15:02 C 12 30 38.15 +65 45 43.6 o A92
2008-04-20 22:19:55 C 12 30 50.54 +65 45 38.3 o A92
2008-04-21 03:51:31 C 12 45 11.97 +65 37 46.4 o H51
2008-04-21 03:51:58 C 12 45 13.05 +65 37 45.5 o H51
2008-04-21 03:52:24 C 12 45 14.07 +65 37 44.9 o H51
2008-04-21 03:52:50 C 12 45 15.20 +65 37 44.1 o H51
2008-04-21 03:53:16 C 12 45 16.26 +65 37 43.0 o H51
2008-04-21 03:53:43 C 12 45 17.31 +65 37 43.0 o H51
2008-04-21 03:54:11 C 12 45 18.36 +65 37 42.4 o H51
2008-04-21 03:54:37 C 12 45 19.51 +65 37 40.7 o H51
2008-04-21 03:55:03 C 12 45 20.54 +65 37 40.3 o H51
2008-04-21 03:55:29 C 12 45 21.68 +65 37 39.0 o H51
2008-04-21 04:20:21 C 12 46 21.57 +65 36 54.0 o H51
2008-04-21 04:20:47 C 12 46 22.63 +65 36 53.2 o H51
2008-04-21 04:21:13 C 12 46 23.68 +65 36 52.4 o H51
2008-04-21 04:21:40 C 12 46 24.78 +65 36 51.7 o H51
2008-04-21 04:22:07 C 12 46 25.80 +65 36 50.8 o H51
2008-04-21 04:22:33 C 12 46 26.86 +65 36 50.0 o H51
2008-04-21 04:23:00 C 12 46 27.90 +65 36 49.1 o H51
2008-04-21 04:23:26 C 12 46 29.03 +65 36 48.5 o H51
2008-04-21 04:23:52 C 12 46 30.05 +65 36 47.2 o H51
2008-04-21 04:24:18 C 12 46 31.13 +65 36 46.5 o H51
2008-04-21 04:25:56 C 12 46 34.99 +65 36 43.5 o H51
2008-04-21 04:26:22 C 12 46 36.07 +65 36 42.5 o H51
2008-04-21 04:26:49 C 12 46 37.08 +65 36 41.6 o H51
2008-04-21 04:27:14 C 12 46 38.19 +65 36 41.1 o H51
2008-04-21 04:27:41 C 12 46 39.29 +65 36 40.2 o H51
2008-04-21 04:28:07 C 12 46 40.28 +65 36 38.9 o H51
2008-04-21 04:28:33 C 12 46 41.37 +65 36 38.0 o H51
2008-04-21 04:29:01 C 12 46 42.45 +65 36 37.6 o H51
2008-04-21 04:29:28 C 12 46 43.53 +65 36 37.3 o H51
2008-04-21 04:29:53 C 12 46 44.65 +65 36 35.4 o 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)