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
2008-05-30 23:32:23 C 16 55 33.79 +26 33 42.8 r B19
2008-05-30 23:35:46 C 16 55 33.79 +26 33 38.8 r B19
2008-05-30 23:39:09 C 16 55 33.76 +26 33 35.5 r B19
2008-05-31 06:07:09 C 16 55 34.28 +26 26 27.4 r H45
2008-05-31 06:09:42 C 16 55 34.26 +26 26 24.7 r H45
2008-05-31 06:30:44 C 16 55 34.11 +26 26 01.1 r H45
2008-05-31 06:31:58 C 16 55 34.10 +26 25 59.8 r H45
2008-05-31 06:50:40 C 16 55 33.98 +26 25 39.0 r H45
2008-05-31 06:53:00 C 16 55 33.96 +26 25 36.4 r H45
2008-05-31 21:07:18 C 16 55 36.10 +26 09 41.3 o 151
2008-05-31 21:09:00 C 16 55 36.10 +26 09 39.3 o 151
2008-05-31 21:10:43 C 16 55 36.09 +26 09 37.2 o 151
2008-05-31 21:28:28 C 16 55 36.08 +26 09 17.4 r A13
2008-05-31 22:16:50 C 16 55 35.83 +26 08 24.6 r A13
2008-06-01 01:02:24 C 16 55 34.80 +26 05 23.5 c B66
2008-06-01 01:12:05 C 16 55 34.77 +26 05 12.9 c B66
2008-06-07 07:15:23 C 16 55 37.24 +23 20 50.6 r H45
2008-06-07 07:17:48 C 16 55 37.23 +23 20 48.0 r H45
2008-06-07 07:19:51 C 16 55 37.22 +23 20 45.8 r H45
2008-06-07 07:23:38 C 16 55 37.18 +23 20 41.6 r H45
2008-06-07 07:27:32 C 16 55 37.16 +23 20 37.2 r H45
2008-06-08 07:39:52 C 16 55 37.52 +22 54 19.0 r H45
2008-06-08 07:42:30 C 16 55 37.52 +22 54 16.3 r H45
2008-06-08 07:44:04 C 16 55 37.49 +22 54 14.4 r H45
2008-06-08 07:46:12 C 16 55 37.47 +22 54 12.5 r H45
2008-06-08 07:51:54 C 16 55 37.44 +22 54 06.3 r H45
2008-06-08 08:25:16 C 16 55 37.63 +22 53 31.3 r 703
2008-06-08 08:36:23 C 16 55 37.56 +22 53 19.3 r 703
2008-06-08 08:47:30 C 16 55 37.52 +22 53 07.0 r 703
2008-06-12 07:21:15 C 16 55 43.32 +21 10 55.3 r H45
2008-06-12 07:23:19 C 16 55 43.31 +21 10 53.0 r H45
2008-06-12 07:26:24 C 16 55 43.31 +21 10 49.9 r H45
2008-06-12 07:35:57 C 16 55 43.28 +21 10 39.3 r H45
2008-06-12 07:39:21 C 16 55 43.24 +21 10 35.3 r H45
2008-06-13 04:48:38 C 16 55 46.74 +20 47 51.9 r H45
2008-06-13 04:49:52 C 16 55 46.71 +20 47 50.9 r H45
2008-06-13 04:57:42 C 16 55 46.69 +20 47 42.1 r H45
2008-06-13 05:01:20 C 16 55 46.69 +20 47 38.5 r H45
2008-06-13 05:04:24 C 16 55 46.68 +20 47 35.0 r H45
2008-06-15 06:17:32 C 16 55 54.30 +19 54 54.3 18.4 c 704
2008-06-15 06:31:26 C 16 55 54.26 +19 54 39.3 18.5 c 704
2008-06-15 06:45:23 C 16 55 54.19 +19 54 24.4 18.6 c 704
2008-06-15 06:59:16 C 16 55 54.19 +19 54 09.5 18.7 c 704
2008-06-15 07:13:12 C 16 55 54.16 +19 53 54.8 18.4 c 704
2008-06-17 07:22:41 C 16 56 04.57 +19 02 36.3 r H45
2008-06-17 07:24:23 C 16 56 04.55 +19 02 35.2 r H45
2008-06-17 07:27:29 C 16 56 04.55 +19 02 31.7 r H45
2008-06-17 07:31:16 C 16 56 04.54 +19 02 27.1 r H45
2008-06-17 07:36:07 C 16 56 04.54 +19 02 21.9 r H45
2008-06-22 21:42:28 C 16 56 54.17 +16 41 15.9 r 106
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)