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
2014-06-01 13:20:53 C 21 16 30.067 +05 44 40.49 L F51
2014-07-01 07:34:43 C 20 59 18.07 +08 06 01.8 q G96
2014-07-01 07:51:32 C 20 59 17.24 +08 06 01.2 q G96
2014-07-01 07:58:09 C 20 59 16.87 +08 06 00.8 q G96
2017-09-16 07:30:35 C 20 32 50.041 -03 01 10.48 L F51
2017-09-16 07:48:50 C 20 32 49.831 -03 01 17.97 L F51
2017-09-16 08:25:17 C 20 32 49.451 -03 01 32.60 L F51
2020-07-17 07:04:12 C 22 09 40.69 +07 27 15.9 u H21
2020-07-17 07:15:36 C 22 09 40.24 +07 27 14.9 u H21
2020-07-17 07:27:17 C 22 09 39.79 +07 27 13.7 u H21
2020-07-18 13:37:31 C 22 08 31.962 +07 23 45.01 U F51
2020-07-18 13:55:50 C 22 08 31.235 +07 23 42.89 U F51
2020-07-18 14:14:13 C 22 08 30.502 +07 23 40.49 U F51
2020-07-22 12:21:32 C 22 04 44.249 +07 09 37.44 U F51
2020-07-22 12:40:19 C 22 04 43.416 +07 09 33.92 U F51
2020-07-22 12:59:30 C 22 04 42.580 +07 09 30.55 U F51
2020-08-08 06:05:35 C 21 45 38.25 +05 19 46.2 u H21
2020-08-08 06:20:07 C 21 45 37.48 +05 19 40.8 u H21
2020-08-08 06:28:31 C 21 45 37.03 +05 19 37.6 u H21
2020-08-22 03:25:48 C 21 29 04.23 +03 01 34.1 u H21
2020-08-22 03:40:51 C 21 29 03.50 +03 01 26.9 u H21
2020-08-22 03:49:11 C 21 29 03.11 +03 01 23.4 u H21
2020-09-12 07:17:52 C 21 10 06.214 -00 50 28.01 U F51
2020-09-12 07:36:21 C 21 10 05.705 -00 50 36.48 U F51
2020-09-12 08:13:26 C 21 10 04.696 -00 50 52.69 U F51
2023-07-14 08:42:39 C 22 42 44.83 +07 59 21.4 u H21
2023-07-14 08:48:49 C 22 42 44.68 +07 59 21.1 u H21
2023-08-16 06:20:04 C 22 12 43.23 +05 24 36.4 u H21
2023-08-16 06:24:19 C 22 12 43.04 +05 24 35.1 u H21
2023-08-21 09:07:38 C 22 06 48.723 +04 37 56.36 X F51
2023-08-21 09:36:25 C 22 06 47.302 +04 37 44.93 X F51
2023-08-21 09:55:39 C 22 06 46.341 +04 37 37.25 X F51
2023-08-21 10:14:57 C 22 06 45.411 +04 37 29.50 X 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)