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
1997-02-11 17:27:12 C 09 53 52.37 +40 59 04.5 z 557
1997-02-11 17:38:10 C 09 53 51.66 +40 59 29.5 z 557
1997-02-11 17:43:48 C 09 53 51.25 +40 59 42.1 z 557
1997-02-12 14:46:45 C 09 52 20.75 +41 47 00.2 327
1997-02-12 14:51:00 C 09 52 20.38 +41 47 09.7 327
1997-02-12 14:57:58 C 09 52 19.88 +41 47 25.2 327
1997-02-12 15:02:12 C 09 52 19.50 +41 47 34.7 17.2 327
1997-02-12 15:07:18 C 09 52 19.12 +41 47 46.2 327
1997-02-12 15:12:23 C 09 52 18.75 +41 47 57.7 327
1997-02-13 07:02:00 C 09 51 08.54 +42 23 15.9 i 711
1997-02-13 07:08:15 C 09 51 08.03 +42 23 29.9 i 711
1997-02-13 15:27:31 C 09 50 30.88 +42 41 56.6 17.1 327
1997-02-13 15:32:21 C 09 50 30.50 +42 42 07.0 327
1997-02-13 15:37:09 C 09 50 30.12 +42 42 18.1 327
1997-02-16 19:06:05 C 09 44 29.07 +45 27 16.7 z 557
1997-02-16 19:32:30 C 09 44 26.69 +45 28 15.0 z 557
1997-02-16 20:57:40 C 09 44 19.14 +45 31 20.5 z 557
1997-02-17 02:53:43 C 09 43 46.97 +45 44 00.8 z 557
1997-02-17 03:04:35 C 09 43 45.99 +45 44 23.8 z 557
1997-02-17 18:55:58 C 09 42 26.74 +46 18 13.1 z 557
1997-02-17 20:10:38 C 09 42 19.89 +46 20 54.1 z 557
1997-02-17 20:21:58 C 09 42 18.96 +46 21 18.7 z 557
1997-02-17 22:03:00 C 09 42 09.46 +46 24 55.1 z 557
1997-02-19 23:01:45 C 09 37 45.38 +48 07 01.7 z 118
1997-02-19 23:09:31 C 09 37 44.61 +48 07 17.5 z 118
1997-02-19 23:12:41 C 09 37 44.30 +48 07 24.0 z 118
1997-02-20 12:06:00 C 09 36 34.15 +48 33 43.2 360
1997-02-20 12:10:29 C 09 36 33.68 +48 33 52.4 360
1997-02-20 12:18:14 C 09 36 32.96 +48 34 08.0 360
1997-02-21 00:07:30 C 09 35 24.50 +48 57 54.5 z 118
1997-02-21 00:10:09 C 09 35 24.26 +48 57 59.8 z 118
1997-02-21 00:17:09 C 09 35 23.57 +48 58 13.3 z 118
1997-02-22 09:54:48 C 09 32 09.92 +50 04 44.9 z 658
1997-02-22 10:10:32 C 09 32 08.30 +50 05 14.8 z 658
1997-02-22 10:28:42 C 09 32 06.43 +50 05 49.7 z 658
1997-02-23 11:04:24 C 09 29 44.15 +50 53 14.6 z 897
1997-02-23 11:14:23 C 09 29 43.01 +50 53 34.6 z 897
1997-02-23 11:44:26 C 09 29 39.81 +50 54 33.0 z 897
1997-02-23 11:54:27 C 09 29 38.79 +50 54 52.6 z 897
1997-02-24 11:37:45 C 09 27 16.81 +51 39 23.9 360
1997-02-24 11:41:29 C 09 27 16.44 +51 39 30.9 360
1997-02-24 11:45:15 C 09 27 16.02 +51 39 38.1 360
1997-02-26 18:07:43 C 09 21 42.45 +53 17 14.0 z 557
1997-02-26 18:13:33 C 09 21 41.82 +53 17 24.8 z 557
1997-02-26 18:19:33 C 09 21 41.20 +53 17 35.2 z 557
1997-02-26 21:05:09 C 09 21 22.98 +53 22 27.7 z 557
1997-02-26 21:13:37 C 09 21 22.06 +53 22 42.5 z 557
1997-02-26 21:24:54 C 09 21 20.78 +53 23 02.4 z 557
1997-02-26 21:32:57 C 09 21 19.91 +53 23 16.1 z 557
1997-02-27 23:39:38 C 09 18 35.50 +54 07 47.2 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)