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
2008-06-22 21:56:18 C 16 56 54.20 +16 41 01.5 r 106
2008-06-22 22:10:10 C 16 56 54.18 +16 40 47.0 r 106
2008-06-22 22:23:59 C 16 56 54.26 +16 40 32.6 r 106
2008-06-22 22:48:10 C 16 56 54.46 +16 40 08.0 r B09
2008-06-22 23:09:37 C 16 56 54.55 +16 39 45.8 r B09
2008-06-25 22:29:21 C 16 57 33.88 +15 26 01.3 r J51
2008-06-25 22:47:06 C 16 57 33.99 +15 25 43.4 r J51
2008-06-25 23:04:50 C 16 57 34.08 +15 25 25.3 r J51
2008-06-26 06:15:52 C 16 57 37.90 +15 18 00.3 r H45
2008-06-26 06:17:57 C 16 57 37.94 +15 17 58.6 r H45
2008-06-26 06:40:36 C 16 57 38.03 +15 17 34.9 r H45
2008-06-26 06:42:34 C 16 57 38.06 +15 17 32.9 r H45
2008-06-26 06:44:41 C 16 57 38.08 +15 17 31.0 r H45
2008-06-27 21:33:24 C 16 58 04.026 +14 37 48.51 18.8 u A84
2008-06-27 21:35:51 C 16 58 04.057 +14 37 45.63 18.9 u A84
2008-06-27 21:38:19 C 16 58 04.057 +14 37 43.20 18.5 u A84
2008-06-27 21:41:10 C 16 58 04.080 +14 37 40.11 18.8 u A84
2008-06-27 21:44:07 C 16 58 04.096 +14 37 37.40 18.8 u A84
2008-06-27 21:47:05 C 16 58 04.091 +14 37 34.75 18.9 u A84
2008-06-27 22:05:35 C 16 58 04.263 +14 37 14.70 18.9 u A84
2008-06-27 22:11:30 C 16 58 04.292 +14 37 09.49 18.8 u A84
2008-06-27 22:14:26 C 16 58 04.319 +14 37 06.27 18.9 u A84
2008-06-27 22:16:54 C 16 58 04.351 +14 37 03.72 18.8 u A84
2008-06-27 22:19:27 C 16 58 04.367 +14 37 01.15 18.9 u A84
2008-06-28 21:19:32 C 16 58 21.249 +14 13 38.66 18.6 u A84
2008-06-28 21:22:02 C 16 58 21.275 +14 13 36.42 18.9 u A84
2008-06-28 21:29:45 C 16 58 21.338 +14 13 28.55 19.0 u A84
2008-06-28 21:32:18 C 16 58 21.372 +14 13 25.61 18.9 u A84
2008-06-28 21:34:50 C 16 58 21.396 +14 13 22.89 19.0 u A84
2008-06-28 21:37:21 C 16 58 21.400 +14 13 20.69 18.9 u A84
2008-06-28 21:38:19 C 16 58 21.77 +14 13 16.7 o 151
2008-06-28 21:39:51 C 16 58 21.427 +14 13 18.12 19.0 u A84
2008-06-28 21:40:26 C 16 58 21.79 +14 13 14.8 o 151
2008-06-28 21:42:21 C 16 58 21.448 +14 13 15.52 18.8 u A84
2008-06-28 21:42:31 C 16 58 21.82 +14 13 12.9 o 151
2008-06-28 21:44:37 C 16 58 21.82 +14 13 10.6 o 151
2008-06-28 21:44:49 C 16 58 21.464 +14 13 12.95 19.0 u A84
2008-06-28 21:46:43 C 16 58 21.84 +14 13 08.3 o 151
2008-06-28 21:47:19 C 16 58 21.489 +14 13 10.39 18.9 u A84
2008-06-28 21:48:49 C 16 58 21.86 +14 13 06.5 o 151
2008-06-28 21:49:50 C 16 58 21.501 +14 13 07.70 18.9 u A84
2008-06-28 21:50:55 C 16 58 21.88 +14 13 04.4 o 151
2008-06-28 21:52:22 C 16 58 21.525 +14 13 05.33 18.6 u A84
2008-06-28 21:54:52 C 16 58 21.565 +14 13 02.85 18.9 u A84
2008-06-28 21:57:23 C 16 58 21.588 +14 13 00.29 18.9 u A84
2008-06-28 21:59:53 C 16 58 21.603 +14 12 57.77 19.0 u A84
2008-06-28 22:02:26 C 16 58 21.625 +14 12 55.10 18.6 u A84
2008-06-28 22:04:56 C 16 58 21.629 +14 12 52.48 19.0 u A84
2008-06-28 22:07:24 C 16 58 21.672 +14 12 49.91 19.0 u A84
2008-06-28 22:10:29 C 16 58 21.712 +14 12 46.99 18.9 u A84
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)