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
2008-05-08 05:08:13 C 16 42 12.34 +39 04 19.4 r H51
2008-05-08 05:09:03 C 16 42 12.40 +39 04 17.8 r H51
2008-05-08 05:09:50 C 16 42 12.46 +39 04 16.6 r H51
2008-05-08 05:12:16 C 16 42 12.61 +39 04 11.7 r H51
2008-05-08 05:13:05 C 16 42 12.67 +39 04 09.9 r H51
2008-05-08 20:14:53 C 16 43 21.54 +38 34 03.2 r 557
2008-05-08 20:40:50 C 16 43 23.24 +38 33 14.0 r 113
2008-05-08 20:42:02 C 16 43 23.31 +38 33 11.8 r 113
2008-05-08 20:43:12 C 16 43 23.39 +38 33 09.5 r 113
2008-05-08 20:43:55 C 16 43 23.43 +38 33 09.4 r 557
2008-05-08 20:44:24 C 16 43 23.47 +38 33 07.4 r 113
2008-05-08 20:45:35 C 16 43 23.53 +38 33 05.1 r 113
2008-05-08 21:15:22 C 16 43 25.44 +38 32 11.0 r 557
2008-05-08 21:44:24 C 16 43 27.21 +38 31 17.1 r 557
2008-05-08 22:15:52 C 16 43 29.10 +38 30 18.3 r 557
2008-05-08 22:44:54 C 16 43 30.81 +38 29 23.7 r 557
2008-05-08 23:16:21 C 16 43 32.62 +38 28 24.3 r 557
2008-05-08 23:45:23 C 16 43 34.26 +38 27 29.1 r 557
2008-05-08 23:53:00 C 16 43 34.99 +38 27 18.6 r 130
2008-05-08 23:54:27 C 16 43 35.06 +38 27 15.8 r 130
2008-05-08 23:55:54 C 16 43 35.15 +38 27 13.0 r 130
2008-05-08 23:56:37 C 16 43 35.20 +38 27 11.7 r 130
2008-05-09 00:14:24 C 16 43 35.89 +38 26 33.6 r 557
2008-05-09 00:48:16 C 16 43 37.78 +38 25 28.3 r 557
2008-05-09 01:16:39 C 16 43 39.36 +38 24 33.3 r 557
2008-05-09 01:45:40 C 16 43 40.97 +38 23 36.8 r 557
2008-05-09 20:02:02 C 16 44 58.43 +37 48 57.5 r 557
2008-05-09 20:29:32 C 16 44 59.99 +37 48 09.2 r 557
2008-05-09 20:59:49 C 16 45 01.68 +37 47 16.0 r 557
2008-05-09 21:30:06 C 16 45 03.31 +37 46 22.8 r 557
2008-05-09 22:00:22 C 16 45 04.91 +37 45 29.4 r 557
2008-05-09 22:17:28 C 16 45 06.14 +37 45 04.3 14.9 o 108
2008-05-09 22:20:54 C 16 45 06.39 +37 44 58.2 c B09
2008-05-09 22:21:00 C 16 45 06.33 +37 44 58.2 14.9 o 108
2008-05-09 22:23:59 C 16 45 06.54 +37 44 52.8 c B09
2008-05-09 22:25:00 C 16 45 06.64 +37 44 50.7 14.9 o 108
2008-05-09 22:26:35 C 16 45 06.68 +37 44 48.3 c B09
2008-05-09 22:28:30 C 16 45 06.74 +37 44 44.6 15.1 o 108
2008-05-09 22:30:39 C 16 45 06.45 +37 44 35.7 r 557
2008-05-09 22:50:14 C 16 45 07.84 +37 44 05.9 15.1 o 108
2008-05-09 23:00:56 C 16 45 07.96 +37 43 41.7 r 557
2008-05-09 23:31:12 C 16 45 09.45 +37 42 47.3 r 557
2008-05-10 00:01:29 C 16 45 10.91 +37 41 52.6 r 557
2008-05-10 00:31:46 C 16 45 12.37 +37 40 57.7 r 557
2008-05-10 01:29:33 C 16 45 15.12 +37 39 11.5 r 557
2008-05-10 01:59:49 C 16 45 16.58 +37 38 15.5 r 557
2008-05-10 19:42:47 C 16 46 23.51 +37 06 19.7 o 151
2008-05-10 19:44:03 C 16 46 23.58 +37 06 18.3 o 151
2008-05-10 19:45:19 C 16 46 23.65 +37 06 16.9 o 151
2008-05-10 19:46:34 C 16 46 23.70 +37 06 14.7 o 151
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)