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
2008-05-19 03:45:23 C 16 53 15.96 +32 08 49.6 r H51
2008-05-19 03:46:11 C 16 53 15.97 +32 08 48.3 r H51
2008-05-19 03:47:00 C 16 53 15.97 +32 08 47.5 r H51
2008-05-19 03:47:49 C 16 53 15.99 +32 08 46.6 r H51
2008-05-19 03:48:37 C 16 53 15.98 +32 08 45.4 r H51
2008-05-19 03:49:26 C 16 53 16.02 +32 08 44.2 r H51
2008-05-20 09:13:09 C 16 53 44.36 +31 31 17.2 o 673
2008-05-20 09:22:00 C 16 53 44.41 +31 31 05.8 o 673
2008-05-20 09:28:29 C 16 53 44.44 +31 30 57.4 o 673
2008-05-20 09:37:09 C 16 53 44.49 +31 30 46.3 o 673
2008-05-21 04:21:40 C 16 54 03.24 +31 07 08.0 r H51
2008-05-21 04:22:28 C 16 54 03.25 +31 07 07.1 r H51
2008-05-21 04:23:17 C 16 54 03.27 +31 07 06.3 r H51
2008-05-21 04:24:05 C 16 54 03.24 +31 07 05.2 r H51
2008-05-21 04:24:55 C 16 54 03.25 +31 07 03.7 r H51
2008-05-21 04:25:44 C 16 54 03.28 +31 07 03.1 r H51
2008-05-21 04:26:31 C 16 54 03.26 +31 07 02.2 r H51
2008-05-21 04:27:20 C 16 54 03.27 +31 07 01.3 r H51
2008-05-21 04:28:07 C 16 54 03.26 +31 07 00.3 r H51
2008-05-21 04:28:56 C 16 54 03.27 +31 06 59.3 r H51
2008-05-21 04:29:45 C 16 54 03.29 +31 06 58.1 r H51
2008-05-21 04:30:33 C 16 54 03.28 +31 06 57.4 r H51
2008-05-21 04:31:22 C 16 54 03.30 +31 06 56.4 r H51
2008-05-21 04:32:09 C 16 54 03.29 +31 06 55.3 r H51
2008-05-21 04:32:57 C 16 54 03.29 +31 06 54.6 r H51
2008-05-21 04:33:47 C 16 54 03.31 +31 06 53.5 r H51
2008-05-21 04:34:34 C 16 54 03.33 +31 06 52.4 r H51
2008-05-21 04:36:10 C 16 54 03.33 +31 06 50.3 r H51
2008-05-21 04:36:59 C 16 54 03.34 +31 06 49.5 r H51
2008-05-23 22:22:24 C 16 54 47.62 +29 47 02.5 c B09
2008-05-23 23:03:08 C 16 54 47.58 +29 46 15.8 c B09
2008-05-25 05:23:59 C 16 55 02.08 +29 10 34.0 o H51
2008-05-25 05:24:48 C 16 55 02.11 +29 10 33.1 o H51
2008-05-25 05:25:36 C 16 55 02.11 +29 10 32.1 o H51
2008-05-25 05:26:26 C 16 55 02.09 +29 10 31.1 o H51
2008-05-25 05:27:15 C 16 55 02.10 +29 10 30.3 o H51
2008-05-25 05:28:02 C 16 55 02.08 +29 10 29.3 o H51
2008-05-25 05:28:51 C 16 55 02.08 +29 10 28.4 o H51
2008-05-25 05:29:40 C 16 55 02.07 +29 10 27.4 o H51
2008-05-25 05:30:28 C 16 55 02.08 +29 10 26.6 o H51
2008-05-25 05:31:18 C 16 55 02.09 +29 10 25.4 o H51
2008-05-26 18:13:03 C 16 55 16.62 +28 27 56.6 o B34
2008-05-26 19:52:45 C 16 55 16.52 +28 26 07.0 o B34
2008-05-26 21:26:17 C 16 55 16.80 +28 24 14.8 c B09
2008-05-26 21:33:50 C 16 55 16.82 +28 24 06.8 c B09
2008-05-26 21:43:41 C 16 55 16.80 +28 23 55.7 c B09
2008-05-26 21:52:46 C 16 55 16.78 +28 23 45.7 c B09
2008-05-27 06:33:55 C 16 55 18.82 +28 13 56.2 18.0 c 704
2008-05-27 06:49:02 C 16 55 18.76 +28 13 39.2 18.2 c 704
2008-05-27 07:03:48 C 16 55 18.67 +28 13 22.7 18.3 c 704
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)