13651 (1997 BR)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3057196436 ± 2.00e+00
Semi-major axis (a)1.3355167428 AU ± 3.00e+00
Inclination (i)17.25106998° ± 4.00e+00
Long. of Asc. Node (Ω)116.63266649° ± 5.00e+00
Arg. of Perihelion (ω)133.85013400° ± 6.00e+00
Mean Anomaly (M)158.08218214° ± 2.39e-04
Mean Motion (n)0.6386137583°/day ± 2.15e+00
Perihelion dist (q)0.92722304 AU ± 3.39e+00
Aphelion dist (Q)1.74381045 AU ± 4.74e+00
Orbital Period1.54338404 yr ± 5.20e+00
NGA Modelr2
A2-5.66360100e-07 AU/d²
Physical Parameters
H (abs. magnitude)17.86
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.404″
Uncertainty0
Orbit TypeApollo
MOID0.015858 AU
Observations Used1064
Gaia Obs Used38
Oppositions13
Arc Total1980-2017
First Observation Used1980-02-09
Last Observation Used2026-01-13
Observations (1113)
Date Type RA Dec Mag Band Observatory
2011-01-04 12:14:50 C 12 53 45.49 +07 14 30.9 r 703
2011-01-04 12:25:49 C 12 53 47.04 +07 14 32.3 r 703
2011-01-30 11:59:36 C 14 39 38.64 +09 00 22.8 18.7 c 704
2011-01-30 12:18:27 C 14 39 42.26 +09 00 27.6 18.8 c 704
2011-01-30 12:37:36 C 14 39 45.91 +09 00 34.0 19.2 c 704
2011-03-09 03:03:50 C 17 57 37.01 +12 36 21.1 r 106
2011-03-09 03:16:41 C 17 57 39.88 +12 36 22.0 r 106
2011-03-09 03:29:33 C 17 57 42.77 +12 36 22.2 r 106
2011-03-09 03:42:21 C 17 57 45.60 +12 36 23.3 r 106
2011-10-31 07:43:19 C 02 52 12.10 -26 34 09.6 r 703
2011-10-31 07:48:33 C 02 52 11.67 -26 34 07.4 r 703
2011-10-31 07:53:58 C 02 52 11.24 -26 34 08.4 r 703
2011-10-31 07:59:21 C 02 52 10.70 -26 34 08.4 r 703
2011-11-30 04:35:54 C 02 06 03.38 -20 54 45.1 r 703
2011-11-30 04:45:12 C 02 06 03.13 -20 54 38.6 r 703
2011-11-30 04:54:25 C 02 06 02.66 -20 54 32.2 r 703
2011-11-30 05:03:35 C 02 06 02.44 -20 54 23.8 r 703
2013-12-01 08:13:50 C 09 53 31.32 +09 25 10.9 u 807
2013-12-01 08:21:47 C 09 53 31.84 +09 25 11.3 u 807
2013-12-01 08:29:42 C 09 53 32.36 +09 25 11.7 u 807
2013-12-02 20:48:00 C 09 56 03.72 +09 27 04.7 q D29
2013-12-02 21:30:56 C 09 56 06.75 +09 27 09.3 q D29
2013-12-11 11:41:34 C 10 10 08.36 +09 51 44.9 q 703
2013-12-11 11:48:53 C 10 10 08.83 +09 51 45.1 q 703
2013-12-11 11:56:13 C 10 10 09.38 +09 51 46.4 q 703
2013-12-11 12:03:34 C 10 10 09.77 +09 51 47.5 q 703
2013-12-13 10:46:33 C 10 13 16.19 +10 00 54.4 q G96
2013-12-13 10:58:47 C 10 13 16.98 +10 00 57.1 q G96
2013-12-13 11:11:03 C 10 13 17.75 +10 00 59.8 q G96
2013-12-13 11:23:18 C 10 13 18.55 +10 01 02.0 q G96
2013-12-31 19:26:01 C 10 40 58.86 +12 57 30.5 q D29
2013-12-31 19:53:13 C 10 41 00.35 +12 57 48.1 q D29
2013-12-31 20:20:25 C 10 41 01.87 +12 58 05.5 q D29
2014-01-09 09:38:03 C 10 52 44.38 +15 38 30.4 q 703
2014-01-09 09:45:18 C 10 52 44.69 +15 38 36.9 q 703
2014-01-09 09:52:33 C 10 52 45.10 +15 38 43.6 q 703
2014-01-09 09:59:48 C 10 52 45.47 +15 38 51.1 q 703
2014-01-12 11:05:34 C 10 56 41.87 +16 52 01.0 q H45
2014-01-12 11:06:56 C 10 56 41.94 +16 52 01.6 q H45
2014-01-12 11:09:09 C 10 56 41.97 +16 52 04.9 q H45
2014-01-12 11:10:24 C 10 56 42.13 +16 52 05.9 q H45
2014-01-12 11:11:53 C 10 56 42.20 +16 52 06.9 q H45
2014-01-12 11:13:32 C 10 56 42.26 +16 52 09.4 q H45
2014-01-14 07:27:34 C 10 59 02.74 +17 41 03.1 u H21
2014-01-14 07:32:57 C 10 59 03.00 +17 41 09.4 u H21
2014-01-14 07:38:16 C 10 59 03.25 +17 41 15.5 u H21
2014-01-14 07:42:59 C 10 59 03.48 +17 41 20.9 u H21
2014-01-14 07:47:11 C 10 59 03.69 +17 41 25.8 u H21
2014-01-23 11:44:37 C 11 09 52.94 +22 42 35.6 q 703
2014-01-23 11:51:48 C 11 09 53.27 +22 42 47.1 q 703
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
1997-07-01 20:40:00 375473.1 0.5 Hz 8510 -14 -14
2014-06-27 11:19:00 -13963.7631 0.07 Hz 2380 -1 -1
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)