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
1997-02-27 23:48:17 C 09 18 34.55 +54 08 01.7 z 118
1997-02-28 11:48:08 C 09 17 21.49 +54 28 00.1 17.9 327
1997-02-28 11:54:59 C 09 17 20.78 +54 28 11.6 327
1997-02-28 18:03:30 C 09 16 42.02 +54 38 12.5 z 557
1997-02-28 18:25:41 C 09 16 39.60 +54 38 49.2 z 557
1997-02-28 19:36:22 C 09 16 31.71 +54 40 47.6 z 557
1997-02-28 19:59:20 C 09 16 29.15 +54 41 25.8 z 557
1997-02-28 20:30:02 C 09 16 25.65 +54 42 16.8 z 046
1997-02-28 20:31:54 C 09 16 25.44 +54 42 19.7 z 046
1997-02-28 20:34:16 C 09 16 25.17 +54 42 23.5 z 046
1997-02-28 20:37:26 C 09 16 24.83 +54 42 28.7 z 046
1997-03-01 18:02:14 C 09 14 10.39 +55 16 49.6 z 557
1997-03-01 18:13:07 C 09 14 09.12 +55 17 07.1 z 557
1997-03-01 19:18:35 C 09 14 01.89 +55 18 53.1 z 557
1997-03-01 23:03:20 C 09 13 36.45 +55 24 50.9 z 473
1997-03-01 23:11:10 C 09 13 35.53 +55 25 03.2 z 473
1997-03-01 23:34:52 C 09 13 32.79 +55 25 39.7 z 473
1997-03-01 23:39:29 C 09 13 32.31 +55 25 46.0 z 473
1997-03-01 23:51:46 C 09 13 31.05 +55 26 03.9 z 557
1997-03-02 00:00:21 C 09 13 30.00 +55 26 16.9 z 557
1997-03-02 00:47:59 C 09 13 24.70 +55 27 32.2 z 473
1997-03-02 00:52:18 C 09 13 24.11 +55 27 38.0 z 473
1997-03-02 01:59:32 C 09 13 16.79 +55 29 18.7 z 118
1997-03-02 02:08:39 C 09 13 15.81 +55 29 32.7 z 118
1997-03-02 02:11:40 C 09 13 15.49 +55 29 37.0 z 118
1997-03-02 17:55:40 C 09 11 38.97 +55 54 02.0 z 557
1997-03-02 18:05:13 C 09 11 37.84 +55 54 17.2 z 557
1997-03-02 18:21:27 C 09 11 36.05 +55 54 42.7 z 557
1997-03-03 02:06:58 C 09 10 43.71 +56 06 21.7 z 121
1997-03-03 02:12:16 C 09 10 43.11 +56 06 28.7 z 121
1997-03-03 02:17:19 C 09 10 42.64 +56 06 37.0 z 121
1997-03-05 19:06:06 C 09 03 56.21 +57 40 09.8 z 557
1997-03-05 20:44:07 C 09 03 45.22 +57 42 25.7 z 557
1997-03-05 22:05:31 C 09 03 36.08 +57 44 16.3 z 557
1997-03-05 22:12:10 C 09 03 35.33 +57 44 25.3 z 557
1997-03-06 00:23:04 C 09 03 20.68 +57 47 19.6 z 118
1997-03-06 00:26:49 C 09 03 20.28 +57 47 24.6 z 118
1997-03-06 00:32:30 C 09 03 19.65 +57 47 32.0 z 118
1997-03-07 20:28:20 C 08 58 49.42 +58 45 07.6 z 557
1997-03-07 20:34:59 C 08 58 48.67 +58 45 16.0 z 557
1997-03-07 20:37:28 C 08 58 48.65 +58 45 21.0 z 587
1997-03-07 20:42:44 C 08 58 48.10 +58 45 27.0 z 587
1997-03-07 20:47:59 C 08 58 47.41 +58 45 34.8 z 587
1997-03-08 00:47:28 C 08 58 21.05 +58 50 27.4 z 118
1997-03-08 00:50:04 C 08 58 20.77 +58 50 30.7 z 118
1997-03-08 00:52:31 C 08 58 20.50 +58 50 33.5 z 118
1997-03-08 22:46:13 C 08 56 08.61 +59 17 34.4 z 046
1997-03-08 22:49:58 C 08 56 08.21 +59 17 39.0 z 046
1997-03-08 22:54:01 C 08 56 07.67 +59 17 44.0 z 046
1997-03-08 22:56:59 C 08 56 07.27 +59 17 47.8 z 046
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)