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
1997-03-12 20:24:50 C 08 47 09.84 +61 01 59.7 z 587
1997-03-12 20:31:39 C 08 47 09.12 +61 02 06.8 z 587
1997-03-12 20:40:14 C 08 47 08.27 +61 02 15.5 z 587
1997-03-14 12:53:29 C 08 43 33.98 +61 42 07.7 19.0 327
1997-03-14 13:10:13 C 08 43 32.49 +61 42 23.2 327
1997-03-15 12:07:36 C 08 41 36.10 +62 03 51.5 17.2 327
1997-03-15 12:13:52 C 08 41 35.55 +62 03 57.5 327
1997-03-15 12:20:07 C 08 41 34.86 +62 04 03.7 327
1997-03-15 12:26:33 C 08 41 34.36 +62 04 09.5 327
1997-03-17 21:34:57 C 08 37 01.02 +62 53 58.0 z 118
1997-03-17 21:46:55 C 08 37 00.01 +62 54 07.7 z 118
1997-03-21 13:28:56 C 08 31 01.63 +64 01 51.3 18.3 327
1997-03-21 13:36:16 C 08 31 00.80 +64 01 56.2 327
1997-03-22 13:37:06 C 08 29 35.54 +64 18 51.2 327
1997-03-22 13:51:22 C 08 29 34.53 +64 19 01.0 327
1997-03-22 14:05:21 C 08 29 33.64 +64 19 09.3 17.1 327
1997-03-27 14:16:27 C 08 23 54.36 +65 34 51.5 327
1997-03-27 14:23:20 C 08 23 54.09 +65 34 55.7 17.4 327
1997-03-27 14:30:18 C 08 23 53.73 +65 34 58.9 327
1997-03-27 14:37:07 C 08 23 53.46 +65 35 02.8 327
1997-03-31 21:25:59 C 08 21 02.36 +66 30 25.4 z 587
1997-03-31 21:38:59 C 08 21 01.96 +66 30 31.3 z 587
1997-04-01 13:04:45 C 08 20 45.60 +66 38 18.9 360
1997-04-01 13:14:00 C 08 20 45.33 +66 38 23.6 360
1997-04-01 13:18:00 C 08 20 45.12 +66 38 25.7 360
1997-04-02 00:29:09 C 08 20 34.42 +66 43 41.6 z 046
1997-04-02 00:31:56 C 08 20 34.35 +66 43 42.6 z 046
1997-04-02 00:35:13 C 08 20 34.32 +66 43 43.7 z 046
1997-04-06 06:08:02 C 08 20 01.68 +67 31 17.0 c 566
1997-04-06 06:20:38 C 08 20 01.49 +67 31 22.5 c 566
1997-04-06 06:33:10 C 08 20 01.29 +67 31 28.0 c 566
1997-04-16 12:46:03 C 08 25 17.39 +69 12 37.1 327
1997-04-16 12:52:18 C 08 25 17.61 +69 12 39.0 19.0 327
1997-04-16 12:58:38 C 08 25 17.83 +69 12 41.5 327
1997-04-16 13:04:52 C 08 25 17.93 +69 12 43.2 327
1997-04-21 05:31:05 C 08 30 16.70 +69 56 31.8 658
1997-04-21 05:35:04 C 08 30 16.87 +69 56 32.7 658
1997-04-21 05:44:52 C 08 30 17.31 +69 56 36.3 658
1997-04-24 05:30:57 C 08 34 05.73 +70 24 36.1 658
1997-04-24 05:34:55 C 08 34 05.88 +70 24 37.9 658
1997-04-24 05:38:56 C 08 34 06.05 +70 24 38.3 658
1997-04-24 13:23:08 C 08 34 30.96 +70 27 41.1 z 402
1997-04-24 13:26:09 C 08 34 31.20 +70 27 41.6 z 402
1997-04-24 13:29:09 C 08 34 31.31 +70 27 42.0 z 402
1997-04-30 21:39:10 C 08 43 47.33 +71 28 10.7 z 587
1997-04-30 21:51:09 C 08 43 48.01 +71 28 14.9 z 587
1997-05-01 12:21:50 C 08 44 44.15 +71 34 14.8 z 402
1997-05-01 12:25:50 C 08 44 44.42 +71 34 16.2 z 402
1997-05-01 12:29:51 C 08 44 44.64 +71 34 17.4 z 402
1997-05-02 06:38:13 C 08 45 55.70 +71 41 37.2 658
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)