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
2008-05-07 01:16:18 C 16 39 46.85 +40 02 42.6 r 557
2008-05-07 01:45:34 C 16 39 49.07 +40 01 38.1 r 557
2008-05-07 01:57:40 C 16 39 55.57 +40 00 55.6 H67
2008-05-07 01:59:51 C 16 39 55.75 +40 00 51.0 H67
2008-05-07 02:01:58 C 16 39 55.93 +40 00 46.5 H67
2008-05-07 02:04:18 C 16 39 56.12 +40 00 42.4 H67
2008-05-07 05:02:16 C 16 40 10.39 +39 54 37.5 H67
2008-05-07 05:08:06 C 16 40 10.82 +39 54 25.2 H67
2008-05-07 05:14:41 C 16 40 11.33 +39 54 11.7 H67
2008-05-07 05:20:34 C 16 40 11.74 +39 53 59.4 H67
2008-05-07 05:43:29 C 16 40 13.41 +39 53 10.9 H67
2008-05-07 05:46:35 C 16 40 13.62 +39 53 05.2 H67
2008-05-07 05:49:39 C 16 40 13.80 +39 52 59.3 H67
2008-05-07 05:52:42 C 16 40 14.07 +39 52 52.5 H67
2008-05-07 13:32:38 C 16 40 56.21 +39 36 35.9 r 379
2008-05-07 13:36:08 C 16 40 56.47 +39 36 28.9 r 379
2008-05-07 14:20:09 C 16 40 59.55 +39 35 00.3 r 379
2008-05-07 14:27:09 C 16 41 00.02 +39 34 46.3 r 379
2008-05-07 14:43:08 C 16 41 01.08 +39 34 13.7 r 379
2008-05-07 14:52:09 C 16 41 01.66 +39 33 55.5 r 379
2008-05-07 14:55:39 C 16 41 01.88 +39 33 48.6 r 379
2008-05-07 15:08:09 C 16 41 02.69 +39 33 23.1 r 379
2008-05-07 15:11:39 C 16 41 02.92 +39 33 15.3 r 379
2008-05-07 15:31:08 C 16 41 04.21 +39 32 35.6 r 379
2008-05-07 19:53:53 C 16 41 28.89 +39 22 53.0 o 151
2008-05-07 19:54:59 C 16 41 28.98 +39 22 50.8 o 151
2008-05-07 19:56:05 C 16 41 29.07 +39 22 48.5 o 151
2008-05-07 19:57:11 C 16 41 29.14 +39 22 46.5 o 151
2008-05-07 19:58:16 C 16 41 29.21 +39 22 44.3 o 151
2008-05-07 19:59:22 C 16 41 29.30 +39 22 42.3 o 151
2008-05-07 20:00:29 C 16 41 29.38 +39 22 40.4 o 151
2008-05-08 04:02:36 C 16 42 08.00 +39 06 26.7 r H51
2008-05-08 04:03:25 C 16 42 08.05 +39 06 24.9 r H51
2008-05-08 04:04:12 C 16 42 08.09 +39 06 23.4 r H51
2008-05-08 04:05:01 C 16 42 08.17 +39 06 21.6 r H51
2008-05-08 04:54:32 C 16 42 11.45 +39 04 46.4 r H51
2008-05-08 04:55:19 C 16 42 11.52 +39 04 44.1 r H51
2008-05-08 04:56:57 C 16 42 11.61 +39 04 41.4 r H51
2008-05-08 04:57:44 C 16 42 11.65 +39 04 40.2 r H51
2008-05-08 04:58:33 C 16 42 11.69 +39 04 38.5 r H51
2008-05-08 04:59:20 C 16 42 11.74 +39 04 36.6 r H51
2008-05-08 05:00:10 C 16 42 11.81 +39 04 35.3 r H51
2008-05-08 05:00:57 C 16 42 11.90 +39 04 33.6 r H51
2008-05-08 05:01:45 C 16 42 11.95 +39 04 32.4 r H51
2008-05-08 05:02:35 C 16 42 11.98 +39 04 30.5 r H51
2008-05-08 05:03:22 C 16 42 12.04 +39 04 29.1 r H51
2008-05-08 05:04:11 C 16 42 12.07 +39 04 27.2 r H51
2008-05-08 05:05:47 C 16 42 12.20 +39 04 24.3 r H51
2008-05-08 05:06:37 C 16 42 12.21 +39 04 22.7 r H51
2008-05-08 05:07:24 C 16 42 12.29 +39 04 21.4 r 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)