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
1997-02-05 13:25:59 C 10 02 46.81 +35 28 07.4 z 402
1997-02-05 13:30:00 C 10 02 46.59 +35 28 16.3 z 402
1997-02-05 13:33:29 C 10 02 46.42 +35 28 23.5 z 402
1997-02-06 10:02:53 C 10 01 41.48 +36 13 44.7 z 657
1997-02-06 10:14:07 C 10 01 40.82 +36 14 10.2 z 657
1997-02-06 10:25:11 C 10 01 40.13 +36 14 34.1 z 657
1997-02-06 12:53:38 C 10 01 32.00 +36 20 14.5 c 566
1997-02-06 13:05:48 C 10 01 31.26 +36 20 41.3 c 566
1997-02-06 13:17:59 C 10 01 30.51 +36 21 08.1 c 566
1997-02-06 19:00:58 C 10 01 13.94 +36 33 37.5 z 540
1997-02-06 19:05:32 C 10 01 13.73 +36 33 47.4 z 540
1997-02-06 19:10:32 C 10 01 13.40 +36 33 59.8 z 540
1997-02-06 22:09:47 C 10 01 03.04 +36 40 41.3 z 557
1997-02-07 02:34:36 C 10 00 47.16 +36 50 30.7 z 557
1997-02-07 19:24:46 C 09 59 52.00 +37 28 05.1 z 557
1997-02-07 23:19:34 C 09 59 37.61 +37 36 56.6 17.0 620
1997-02-07 23:31:25 C 09 59 36.91 +37 37 25.3 16.7 620
1997-02-07 23:44:00 C 09 59 36.30 +37 37 55.8 620
1997-02-07 23:57:21 C 09 59 35.36 +37 38 27.8 16.7 620
1997-02-08 02:25:20 C 09 59 25.89 +37 43 53.9 620
1997-02-08 03:01:46 C 09 59 23.34 +37 45 10.8 z 557
1997-02-08 23:53:23 C 09 58 09.09 +38 32 03.4 z 473
1997-02-08 23:55:27 C 09 58 08.95 +38 32 08.8 z 473
1997-02-08 23:56:28 C 09 58 08.99 +38 32 10.2 z 473
1997-02-09 00:03:01 C 09 58 08.45 +38 32 24.9 z 473
1997-02-09 07:13:29 C 09 57 42.49 +38 48 35.7 z 670
1997-02-09 07:26:30 C 09 57 41.63 +38 49 04.6 z 670
1997-02-09 07:42:29 C 09 57 40.45 +38 49 40.8 z 670
1997-02-09 17:48:20 C 09 57 01.05 +39 12 20.0 z 402
1997-02-09 17:51:30 C 09 57 00.82 +39 12 26.5 z 402
1997-02-09 17:54:29 C 09 57 00.62 +39 12 33.8 z 402
1997-02-09 18:14:15 C 09 56 59.33 +39 13 18.3 z 360
1997-02-09 18:17:59 C 09 56 59.08 +39 13 26.6 z 360
1997-02-09 18:20:59 C 09 56 58.85 +39 13 33.1 z 360
1997-02-09 22:24:37 C 09 56 44.64 +39 22 36.5 z 557
1997-02-09 22:33:05 C 09 56 44.03 +39 22 55.9 z 557
1997-02-10 00:47:38 C 09 56 34.65 +39 27 58.3 z 046
1997-02-10 00:49:33 C 09 56 34.50 +39 28 02.6 z 046
1997-02-10 00:51:21 C 09 56 34.39 +39 28 06.6 z 046
1997-02-10 01:36:10 C 09 56 31.26 +39 29 47.6 z 473
1997-02-10 01:41:03 C 09 56 30.97 +39 29 59.1 z 473
1997-02-10 01:43:56 C 09 56 30.74 +39 30 05.5 z 473
1997-02-10 01:52:01 C 09 56 30.20 +39 30 23.5 z 473
1997-02-10 02:03:53 C 09 56 29.39 +39 30 50.4 z 473
1997-02-10 03:39:18 C 09 56 22.80 +39 34 19.0 z 557
1997-02-10 17:44:32 C 09 55 29.48 +40 05 53.2 z 557
1997-02-10 18:01:48 C 09 55 28.33 +40 06 32.7 z 557
1997-02-10 22:51:16 C 09 55 07.78 +40 17 30.6 z 118
1997-02-10 22:53:29 C 09 55 07.66 +40 17 36.2 z 118
1997-02-10 22:58:16 C 09 55 07.28 +40 17 46.4 z 118
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)