511684 (2015 BN509)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5684477447 ± 1.02e-07
Semi-major axis (a)1.0068564876 AU ± 6.48e-09
Inclination (i)4.15644872° ± 2.82e-06
Long. of Asc. Node (Ω)120.06180332° ± 1.29e-05
Arg. of Perihelion (ω)143.22233890° ± 1.57e-05
Mean Anomaly (M)196.44512386° ± 1.24e-05
Mean Motion (n)0.9755755715°/day ± 9.42e-09
Perihelion dist (q)0.43451119 AU ± 1.02e-07
Aphelion dist (Q)1.57920179 AU ± 1.03e-07
Orbital Period1.01030234 yr ± 9.75e-09
NGA Modelr2
A26.82337960e-14 ± 1.03e-14 AU/d²
Physical Parameters
H (abs. magnitude)20.77
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.291″
Uncertainty0
Orbit TypeApollo
MOID0.024692 AU
Observations Used560
Radar Obs Used6
Oppositions1
Arc Total2005-2026
First Observation Used2005-12-03
Last Observation Used2026-01-09
Observations (654)
Date Type RA Dec Mag Band Observatory
2005-12-03 15:12:16 C 11 43 51.045 +02 01 44.12 o 568
2005-12-03 15:20:03 C 11 43 52.252 +02 01 37.42 o 568
2005-12-03 15:27:51 C 11 43 53.450 +02 01 30.46 o 568
2015-01-22 11:11:34 C 13 01 50.61 -01 40 01.1 q G96
2015-01-22 11:19:06 C 13 01 53.45 -01 40 11.4 q G96
2015-01-22 11:26:38 C 13 01 56.33 -01 40 21.7 q G96
2015-01-22 11:34:09 C 13 01 59.19 -01 40 31.7 q G96
2015-01-22 12:13:17 C 13 02 14.06 -01 41 25.5 q G96
2015-01-22 12:13:50 C 13 02 14.24 -01 41 27.1 q G96
2015-01-22 12:14:23 C 13 02 14.50 -01 41 26.8 q G96
2015-01-22 15:33:22 C 13 03 33.42 -01 45 13.7 t 474
2015-01-22 15:36:49 C 13 03 34.77 -01 45 18.0 t 474
2015-01-22 15:40:16 C 13 03 36.11 -01 45 23.0 t 474
2015-01-23 00:32:02 C 13 07 09.56 -01 57 54.9 q K92
2015-01-23 00:35:52 C 13 07 11.09 -01 58 00.5 q K92
2015-01-23 00:39:46 C 13 07 12.65 -01 58 06.2 q K92
2015-01-23 00:43:28 C 13 07 14.12 -01 58 11.3 q K92
2015-01-23 00:47:50 C 13 07 15.86 -01 58 17.5 q K92
2015-01-23 03:06:27 C 13 08 11.90 -02 02 23.4 q 958
2015-01-23 03:14:53 C 13 08 15.29 -02 02 36.2 q 958
2015-01-23 03:23:20 C 13 08 18.69 -02 02 48.8 q 958
2015-01-23 04:20:00 C 13 08 41.36 -02 04 12.9 q J95
2015-01-23 04:29:41 C 13 08 45.25 -02 04 26.8 q J95
2015-01-23 04:38:39 C 13 08 48.88 -02 04 39.7 q J95
2015-01-23 15:47:30 C 13 13 29.78 -02 19 56.4 t 474
2015-01-23 15:48:32 C 13 13 30.21 -02 19 58.1 t 474
2015-01-23 15:49:34 C 13 13 30.64 -02 19 59.3 t 474
2015-01-23 15:50:36 C 13 13 31.08 -02 20 01.3 t 474
2015-01-23 15:51:38 C 13 13 31.50 -02 20 02.6 t 474
2015-01-24 12:48:33 C 13 22 45.51 -02 52 50.7 o 291
2015-01-24 12:49:34 C 13 22 45.95 -02 52 52.3 o 291
2015-01-24 12:50:33 C 13 22 46.36 -02 52 54.1 o 291
2015-01-24 12:55:32 C 13 22 48.58 -02 53 01.8 q G96
2015-01-24 12:56:45 C 13 22 49.07 -02 53 03.9 q G96
2015-01-24 12:57:58 C 13 22 49.66 -02 53 05.7 q G96
2015-01-24 12:59:11 C 13 22 50.20 -02 53 07.6 q G96
2015-01-27 08:56:02 C 13 57 37.59 -04 48 34.0 u 807
2015-01-27 08:58:59 C 13 57 39.24 -04 48 39.7 u 807
2015-01-27 09:02:26 C 13 57 41.15 -04 48 46.1 u 807
2015-01-28 15:16:23 C 14 15 44.04 -05 46 51.1 t F51
2015-01-28 15:34:04 C 14 15 54.85 -05 47 25.7 t F51
2015-01-29 08:45:41 C 14 26 56.92 -06 20 33.9 u 807
2015-01-29 08:52:00 C 14 27 00.99 -06 20 46.7 u 807
2015-01-29 08:58:28 C 14 27 05.21 -06 20 59.7 u 807
2015-01-29 09:04:32 C 14 27 09.10 -06 21 12.2 u 807
2015-01-29 09:10:45 C 14 27 13.12 -06 21 24.4 u 807
2015-01-29 22:21:57 S 14 36 01.34 -06 48 07.3 L C51
2015-01-30 01:31:11 S 14 38 10.87 -06 54 27.8 L C51
2015-01-30 03:05:49 S 14 39 15.98 -06 57 39.0 L C51
2015-01-30 06:14:52 S 14 41 26.93 -07 04 02.4 L C51
Radar Observations (7)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2017-02-05 08:19:00 175255.5269 0.05 Hz 2380 -1 -1
2017-02-05 08:48:00 50173360.33 4 us 2380 -1 -1
2017-02-05 09:00:00 50120970.13 0.5 us 2380 -1 -1
2017-02-06 09:44:00 114912.8058 0.1 Hz 2380 -1 -1
2017-02-07 10:13:00 41854278.24 0.5 us 2380 -1 -1
2018-02-08 08:40:00 36146165.35 2 us 8560 -14 -14
2018-02-10 01:20:00 32960780.129 1 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)