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
2005-07-25 03:52:44 C 14 55 01.68 +04 26 18.1 r 734
2005-07-28 03:02:27 C 15 04 51.23 +03 26 27.3 r 734
2005-07-28 03:06:41 C 15 04 51.83 +03 26 23.5 r 734
2005-07-28 03:10:55 C 15 04 52.34 +03 26 21.1 r 734
2005-08-29 04:08:11 C 16 34 23.96 -05 11 27.5 d 291
2005-08-29 04:13:53 C 16 34 24.51 -05 11 30.4 d 291
2005-08-29 04:19:33 C 16 34 25.08 -05 11 33.3 d 291
2007-10-14 09:25:10 C 06 30 43.91 +10 36 46.2 o 291
2007-10-14 09:43:51 C 06 30 44.75 +10 36 39.0 o 291
2007-10-14 09:54:20 C 06 30 45.41 +10 36 36.1 o 291
2007-12-26 07:09:36 C 06 54 38.71 -11 17 30.9 o H55
2007-12-26 07:15:13 C 06 54 38.43 -11 17 36.3 o H55
2007-12-26 07:21:34 C 06 54 38.17 -11 17 42.5 o H55
2007-12-31 00:28:19 C 06 49 19.92 -13 04 16.3 r 204
2007-12-31 00:35:56 C 06 49 19.57 -13 04 23.0 r 204
2008-01-19 06:23:27 C 06 20 19.72 -18 57 17.9 r 448
2008-01-19 06:31:45 C 06 20 19.10 -18 57 22.2 r 448
2008-01-19 06:40:04 C 06 20 18.51 -18 57 26.6 r 448
2008-01-27 13:20:32 C 06 06 54.82 -20 24 42.4 r E12
2008-01-27 13:35:50 C 06 06 53.71 -20 24 48.1 r E12
2008-01-27 13:51:10 C 06 06 52.66 -20 24 53.1 r E12
2008-01-27 14:06:30 C 06 06 51.62 -20 24 57.1 r E12
2008-02-03 19:46:06 C 05 56 21.38 -21 04 26.6 o 246
2008-02-03 19:47:08 C 05 56 21.28 -21 04 26.9 o 246
2008-02-03 19:48:11 C 05 56 21.23 -21 04 26.8 o 246
2008-02-03 19:49:20 C 05 56 21.18 -21 04 26.9 o 246
2008-02-03 19:50:26 C 05 56 21.13 -21 04 27.1 o 246
2008-02-03 19:51:34 C 05 56 21.01 -21 04 27.1 o 246
2008-02-03 19:52:46 C 05 56 20.97 -21 04 27.2 o 246
2008-02-03 19:54:00 C 05 56 20.86 -21 04 27.4 o 246
2008-02-03 19:55:05 C 05 56 20.82 -21 04 27.4 o 246
2008-02-09 18:16:55 C 05 49 12.15 -21 11 15.0 o 246
2008-02-09 18:17:59 C 05 49 12.05 -21 11 14.8 o 246
2008-02-09 18:19:11 C 05 49 12.04 -21 11 15.4 o 246
2008-02-09 18:20:01 C 05 49 12.00 -21 11 14.8 o 246
2008-02-09 18:21:24 C 05 49 11.85 -21 11 15.3 o 246
2008-02-09 18:25:24 C 05 49 11.69 -21 11 15.0 o 246
2008-02-10 19:51:55 C 05 48 04.90 -21 10 15.0 o 246
2008-02-10 19:53:04 C 05 48 04.83 -21 10 14.8 o 246
2008-02-10 19:54:28 C 05 48 04.77 -21 10 14.8 o 246
2008-02-10 19:55:29 C 05 48 04.71 -21 10 15.2 o 246
2008-02-10 19:56:28 C 05 48 04.66 -21 10 14.5 o 246
2008-02-10 19:57:25 C 05 48 04.58 -21 10 14.7 o 246
2008-03-08 11:05:15 C 05 39 20.55 -17 37 48.8 r E12
2008-03-08 11:16:39 C 05 39 20.66 -17 37 41.0 r E12
2008-03-08 11:28:02 C 05 39 20.70 -17 37 33.8 r E12
2008-03-08 11:39:33 C 05 39 20.80 -17 37 26.2 r E12
2008-03-20 04:39:29 C 05 47 13.57 -13 39 37.4 r 448
2008-03-20 04:41:32 C 05 47 13.57 -13 39 33.7 r 448
2008-03-21 04:00:40 C 05 48 14.80 -13 11 57.4 c 673
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)