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
2008-06-28 22:12:57 C 16 58 21.708 +14 12 44.21 19.0 u A84
2008-06-28 22:15:27 C 16 58 21.720 +14 12 42.02 19.0 u A84
2008-06-28 22:18:00 C 16 58 21.745 +14 12 38.92 18.9 u A84
2008-06-28 22:20:30 C 16 58 21.778 +14 12 36.74 18.9 u A84
2008-06-28 22:27:44 C 16 58 21.835 +14 12 29.18 18.9 u A84
2008-06-28 22:30:15 C 16 58 21.854 +14 12 26.81 19.0 u A84
2008-06-28 22:32:47 C 16 58 21.881 +14 12 24.07 18.9 u A84
2008-06-28 22:35:20 C 16 58 21.905 +14 12 21.46 18.9 u A84
2008-06-30 21:55:21 C 16 58 59.830 +13 24 37.26 18.4 u A84
2008-06-30 21:59:53 C 16 58 59.852 +13 24 32.66 18.6 u A84
2008-06-30 22:02:09 C 16 58 59.888 +13 24 30.71 18.5 u A84
2008-06-30 22:04:25 C 16 58 59.879 +13 24 27.91 18.4 u A84
2008-06-30 22:06:42 C 16 58 59.933 +13 24 25.75 18.3 u A84
2008-06-30 22:08:58 C 16 58 59.952 +13 24 23.45 18.3 u A84
2008-06-30 22:15:48 C 16 59 00.017 +13 24 16.42 18.5 u A84
2008-06-30 22:18:04 C 16 59 00.043 +13 24 14.25 18.3 u A84
2008-06-30 22:20:19 C 16 59 00.062 +13 24 12.10 18.6 u A84
2008-06-30 22:22:35 C 16 59 00.094 +13 24 09.58 18.3 u A84
2008-06-30 22:24:51 C 16 59 00.114 +13 24 07.29 18.3 u A84
2008-06-30 22:27:07 C 16 59 00.117 +13 24 04.92 18.3 u A84
2008-07-04 23:05:18 C 17 00 31.966 +11 48 17.09 19.0 u A84
2008-07-04 23:07:51 C 17 00 31.998 +11 48 14.63 18.9 u A84
2008-07-04 23:10:19 C 17 00 32.049 +11 48 12.14 19.0 u A84
2008-07-04 23:12:52 C 17 00 32.087 +11 48 09.68 19.0 u A84
2008-07-04 23:15:24 C 17 00 32.121 +11 48 07.15 18.8 u A84
2008-07-04 23:17:54 C 17 00 32.150 +11 48 04.71 18.6 u A84
2008-07-04 23:20:25 C 17 00 32.188 +11 48 02.15 18.7 u A84
2008-07-04 23:22:53 C 17 00 32.243 +11 47 59.74 18.9 u A84
2008-07-04 23:25:21 C 17 00 32.282 +11 47 57.52 18.8 u A84
2008-07-04 23:27:53 C 17 00 32.291 +11 47 54.88 18.8 u A84
2008-07-04 23:30:23 C 17 00 32.340 +11 47 52.37 18.6 u A84
2008-07-04 23:32:54 C 17 00 32.392 +11 47 49.75 18.8 u A84
2008-07-04 23:42:55 C 17 00 32.536 +11 47 40.00 18.7 u A84
2008-07-04 23:45:25 C 17 00 32.568 +11 47 37.32 18.8 u A84
2008-07-04 23:47:57 C 17 00 32.603 +11 47 34.84 18.9 u A84
2008-07-04 23:50:28 C 17 00 32.651 +11 47 32.52 18.5 u A84
2008-07-04 23:52:58 C 17 00 32.711 +11 47 29.72 18.6 u A84
2008-07-04 23:55:28 C 17 00 32.757 +11 47 27.55 18.7 u A84
2008-07-04 23:58:01 C 17 00 32.765 +11 47 25.22 18.8 u A84
2008-07-08 05:44:26 C 17 02 02.20 +10 32 13.0 r H45
2008-07-08 06:00:18 C 17 02 02.43 +10 31 57.1 r H45
2008-07-08 06:06:28 C 17 02 02.56 +10 31 51.0 r H45
2008-07-17 04:16:07 C 17 07 15.80 +07 14 49.9 o H55
2008-07-17 04:21:33 C 17 07 15.96 +07 14 44.9 o H55
2008-07-17 04:32:23 C 17 07 16.28 +07 14 36.4 o H55
2011-01-11 07:50:45 C 11 15 17.26 -31 05 40.7 u I20
2011-01-11 08:01:28 C 11 15 19.44 -31 05 59.2 u I20
2014-06-01 12:29:19 C 21 16 30.070 +05 44 20.10 L F51
2014-06-01 12:46:28 C 21 16 30.071 +05 44 26.79 L F51
2014-06-01 13:03:38 C 21 16 30.066 +05 44 33.66 L F51
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)