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
2008-04-22 21:55:03 C 14 11 44.56 +62 46 32.9 o J51
2008-04-22 22:01:29 C 14 11 54.55 +62 46 01.8 o J51
2008-04-22 23:37:45 C 14 14 13.73 +62 37 15.8 c B19
2008-04-22 23:39:17 C 14 14 16.06 +62 37 07.4 c B19
2008-04-22 23:40:39 C 14 14 18.11 +62 36 59.7 c B19
2008-04-25 05:12:34 C 15 16 07.16 +57 22 13.0 r H45
2008-04-25 05:14:45 C 15 16 08.86 +57 22 00.9 r H45
2008-04-25 05:16:23 C 15 16 10.13 +57 21 51.6 r H45
2008-04-25 05:18:23 C 15 16 11.68 +57 21 40.4 r H45
2008-04-25 05:21:40 C 15 16 14.21 +57 21 22.0 r H45
2008-04-25 05:24:31 C 15 16 16.41 +57 21 06.1 r H45
2008-04-25 05:27:22 C 15 16 18.59 +57 20 50.2 r H45
2008-04-25 23:35:17 C 15 29 46.54 +55 37 58.2 o B66
2008-04-26 00:36:01 C 15 30 24.65 +55 32 25.8 c B66
2008-04-26 08:51:50 C 15 35 37.39 +54 47 50.6 r H45
2008-04-26 08:53:08 C 15 35 38.14 +54 47 43.3 r H45
2008-04-26 08:57:26 C 15 35 40.56 +54 47 19.8 r H45
2008-04-26 08:59:39 C 15 35 41.80 +54 47 07.7 r H45
2008-04-26 09:00:57 C 15 35 42.54 +54 47 00.8 r H45
2008-04-26 09:03:49 C 15 35 44.18 +54 46 44.8 r H45
2008-04-26 19:13:57 C 15 41 52.08 +53 52 00.7 o 151
2008-04-26 19:15:13 C 15 41 52.74 +53 51 54.8 o 151
2008-04-26 19:16:29 C 15 41 53.40 +53 51 48.6 o 151
2008-04-26 19:20:05 C 15 41 55.37 +53 51 31.0 o 151
2008-04-26 19:23:41 C 15 41 57.34 +53 51 13.0 o 151
2008-04-26 19:24:57 C 15 41 58.03 +53 51 06.8 o 151
2008-04-26 19:26:13 C 15 41 58.70 +53 51 00.8 o 151
2008-04-28 08:46:44 C 15 59 03.01 +50 52 27.3 r H45
2008-04-28 08:48:20 C 15 59 03.57 +50 52 20.1 r H45
2008-04-28 08:55:14 C 15 59 05.98 +50 51 48.5 r H45
2008-04-28 08:57:14 C 15 59 06.67 +50 51 39.4 r H45
2008-04-28 08:59:09 C 15 59 07.35 +50 51 30.7 r H45
2008-04-29 05:43:16 C 16 06 35.64 +49 22 21.6 r H45
2008-04-29 05:45:48 C 16 06 36.37 +49 22 11.5 r H45
2008-04-29 05:47:36 C 16 06 36.90 +49 22 04.4 r H45
2008-04-29 05:50:07 C 16 06 37.62 +49 21 54.4 r H45
2008-04-29 05:51:46 C 16 06 38.11 +49 21 47.7 r H45
2008-04-29 05:53:17 C 16 06 38.55 +49 21 41.9 r H45
2008-04-29 16:12:01 C 16 09 47.08 +48 40 12.6 m 379
2008-04-29 16:23:51 C 16 09 50.15 +48 39 26.3 m 379
2008-04-29 16:30:14 C 16 09 51.80 +48 39 01.4 m 379
2008-04-29 16:38:49 C 16 09 54.09 +48 38 27.4 m 379
2008-04-29 16:42:02 C 16 09 54.94 +48 38 14.6 m 379
2008-04-29 16:45:14 C 16 09 55.75 +48 38 01.7 m 379
2008-04-29 17:00:14 C 16 09 59.66 +48 37 02.3 m 379
2008-04-29 23:50:51 C 16 12 01.05 +48 10 00.4 o 198
2008-04-29 23:51:55 C 16 12 01.32 +48 09 56.3 o 198
2008-04-29 23:55:09 C 16 12 02.14 +48 09 44.2 o 198
2008-04-29 23:58:45 C 16 12 03.05 +48 09 30.6 o 198
2008-04-30 00:05:56 C 16 12 04.86 +48 09 03.5 o 198
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)