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
2008-04-15 02:20:23 C 07 46 44.03 +40 46 47.7 r H51
2008-04-15 02:20:50 C 07 46 44.45 +40 46 55.6 r H51
2008-04-15 02:21:20 C 07 46 44.86 +40 47 03.0 r H51
2008-04-15 02:21:48 C 07 46 45.28 +40 47 10.7 r H51
2008-04-15 02:22:17 C 07 46 45.72 +40 47 18.2 r H51
2008-04-15 02:22:47 C 07 46 46.14 +40 47 26.2 r H51
2008-04-15 02:23:15 C 07 46 46.56 +40 47 34.1 r H51
2008-04-15 02:23:45 C 07 46 46.98 +40 47 42.0 r H51
2008-04-15 02:24:13 C 07 46 47.40 +40 47 49.7 r H51
2008-04-15 02:24:43 C 07 46 47.83 +40 47 57.1 r H51
2008-04-15 02:25:11 C 07 46 48.24 +40 48 05.2 r H51
2008-04-15 02:25:41 C 07 46 48.67 +40 48 12.6 r H51
2008-04-15 02:26:09 C 07 46 49.09 +40 48 20.6 r H51
2008-04-15 02:26:38 C 07 46 49.53 +40 48 28.2 r H51
2008-04-15 02:27:08 C 07 46 49.94 +40 48 36.2 r H51
2008-04-15 02:27:36 C 07 46 50.37 +40 48 43.7 r H51
2008-04-15 02:28:06 C 07 46 50.78 +40 48 51.6 r H51
2008-04-15 02:28:33 C 07 46 51.22 +40 48 59.2 r H51
2008-04-15 02:29:03 C 07 46 51.64 +40 49 07.0 r H51
2008-04-15 02:29:30 C 07 46 52.04 +40 49 14.4 r H51
2008-04-15 02:30:00 C 07 46 52.47 +40 49 22.3 r H51
2008-04-15 02:30:28 C 07 46 52.89 +40 49 30.0 r H51
2008-04-15 02:30:58 C 07 46 53.32 +40 49 37.8 r H51
2008-04-15 02:31:28 C 07 46 53.75 +40 49 45.9 r H51
2008-04-15 02:31:56 C 07 46 54.20 +40 49 53.7 r H51
2008-04-15 02:32:26 C 07 46 54.61 +40 50 01.3 r H51
2008-04-15 02:32:54 C 07 46 55.02 +40 50 08.9 r H51
2008-04-15 02:33:24 C 07 46 55.45 +40 50 16.8 r H51
2008-04-15 02:33:52 C 07 46 55.87 +40 50 24.5 r H51
2008-04-15 02:34:21 C 07 46 56.29 +40 50 32.1 r H51
2008-04-15 02:34:49 C 07 46 56.71 +40 50 39.8 r H51
2008-04-15 02:35:18 C 07 46 57.12 +40 50 47.5 r H51
2008-04-15 02:35:46 C 07 46 57.56 +40 50 55.1 r H51
2008-04-15 02:36:16 C 07 46 57.96 +40 51 02.7 r H51
2008-04-15 02:36:43 C 07 46 58.39 +40 51 10.6 r H51
2008-04-15 02:37:12 C 07 46 58.81 +40 51 17.9 r H51
2008-04-15 02:37:40 C 07 46 59.22 +40 51 25.5 r H51
2008-04-17 21:16:35 C 09 21 16.33 +58 12 43.6 14.5 o A97
2008-04-17 21:24:13 C 09 21 31.50 +58 14 18.8 14.3 o A97
2008-04-17 21:44:22 C 09 22 14.24 +58 18 39.5 c 510
2008-04-17 21:45:58 C 09 22 17.50 +58 19 00.2 c 510
2008-04-17 21:46:16 C 09 22 18.11 +58 19 03.6 c 510
2008-04-17 21:59:39 C 09 22 42.55 +58 21 48.4 14.8 o A97
2008-04-17 22:14:54 C 09 23 13.35 +58 24 59.8 14.7 o A97
2008-04-18 01:59:27 C 09 31 19.60 +59 13 43.6 o H55
2008-04-18 02:02:39 C 09 31 26.22 +59 14 23.1 o H55
2008-04-18 02:08:35 C 09 31 38.50 +59 15 36.1 o H55
2008-04-19 06:39:51 C 10 41 16.24 +63 54 22.9 r H45
2008-04-19 06:41:26 C 10 41 20.29 +63 54 32.9 r H45
2008-04-19 06:42:08 C 10 41 22.08 +63 54 37.5 r H45
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)