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
2017-03-02 03:34:05 C 06 32 27.38 +37 47 15.3 q H45
2017-03-21 03:40:10 C 06 40 08.27 +41 18 07.6 q 703
2017-03-21 03:48:24 C 06 40 08.55 +41 18 10.5 q 703
2017-03-21 03:56:33 C 06 40 08.95 +41 18 13.3 q 703
2017-03-21 04:04:42 C 06 40 09.29 +41 18 16.4 q 703
2017-03-22 03:05:56 C 06 41 12.33 +41 26 38.0 q G96
2017-03-22 03:10:15 C 06 41 12.56 +41 26 39.4 q 703
2017-03-22 03:12:06 C 06 41 12.62 +41 26 40.3 q G96
2017-03-22 03:18:21 C 06 41 12.86 +41 26 42.3 q G96
2017-03-22 03:23:59 C 06 41 13.07 +41 26 44.1 q 703
2017-03-22 03:24:32 C 06 41 13.12 +41 26 44.5 q G96
2017-03-22 03:32:17 C 06 41 13.46 +41 26 47.7 q 703
2017-03-22 03:40:30 C 06 41 13.82 +41 26 50.1 q 703
2017-04-07 02:55:57 C 07 06 32.82 +43 18 11.4 q 703
2017-04-07 03:03:45 C 07 06 33.40 +43 18 12.3 q 703
2017-04-07 03:11:32 C 07 06 34.10 +43 18 14.3 q 703
2017-04-07 04:20:40 C 07 06 39.56 +43 18 28.2 q G96
2017-04-07 04:34:13 C 07 06 40.64 +43 18 31.3 q G96
2017-04-07 04:40:25 C 07 06 41.17 +43 18 32.0 q G96
2017-05-03 03:54:07 C 08 12 46.23 +44 15 09.9 q 703
2017-05-03 04:02:31 C 08 12 47.22 +44 15 08.6 q 703
2017-05-03 04:10:55 C 08 12 48.31 +44 15 08.0 q 703
2017-05-03 04:19:18 C 08 12 49.25 +44 15 07.3 q 703
2017-05-17 03:27:26 C 08 57 08.70 +43 20 14.7 q 703
2017-05-17 03:33:49 C 08 57 09.60 +43 20 13.1 q 703
2017-05-17 03:40:12 C 08 57 10.41 +43 20 12.2 q 703
2017-05-21 06:29:43 C 09 10 59.33 +42 49 13.5 L T05
2017-05-21 07:05:11 C 09 11 04.15 +42 49 00.2 L T05
2017-05-21 07:24:07 C 09 11 06.88 +42 48 52.6 L T05
2017-05-21 07:42:13 C 09 11 09.43 +42 48 46.3 L T05
2017-06-20 07:30:30 C 10 56 29.38 +34 23 28.7 L T08
2017-06-20 07:42:42 C 10 56 31.20 +34 23 13.5 L T08
2017-06-20 07:54:23 C 10 56 32.88 +34 23 01.0 L T08
2017-06-20 08:06:06 C 10 56 34.55 +34 22 47.2 L T08
2017-07-01 04:02:59 C 11 35 16.01 +28 29 17.2 q 703
2017-07-01 04:11:29 C 11 35 17.19 +28 29 03.6 q 703
2017-07-01 04:19:57 C 11 35 18.50 +28 28 49.8 q 703
2017-07-01 04:28:22 C 11 35 19.74 +28 28 35.8 q 703
2017-07-16 06:37:38 C 12 30 31.10 +16 11 40.7 L T05
2017-07-16 06:53:34 C 12 30 33.56 +16 10 59.6 L T05
2017-07-16 07:02:21 C 12 30 34.91 +16 10 37.8 L T05
2017-07-16 07:14:49 C 12 30 36.82 +16 10 05.8 L T05
2017-07-18 06:20:36 C 12 38 04.27 +14 07 53.1 L T08
2017-07-18 06:33:20 C 12 38 06.28 +14 07 18.1 L T08
2017-07-18 06:47:22 C 12 38 08.45 +14 06 41.3 L T08
2017-07-18 06:59:34 C 12 38 10.31 +14 06 07.9 L T08
2017-07-27 06:35:21 C 13 13 56.64 +03 19 39.0 L T05
2017-07-27 06:46:38 C 13 13 58.60 +03 19 01.7 L T05
2017-07-27 07:00:04 C 13 14 00.83 +03 18 16.5 L T05
2017-07-27 07:12:50 C 13 14 03.07 +03 17 33.8 L T05
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)