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
1997-05-02 06:43:14 C 08 45 56.05 +71 41 37.9 658
1997-05-02 06:48:12 C 08 45 56.41 +71 41 40.9 658
1997-05-02 13:00:00 C 08 46 21.04 +71 44 21.4 18.8 327
1997-05-02 13:06:14 C 08 46 21.50 +71 44 23.3 327
1997-05-02 13:12:33 C 08 46 21.92 +71 44 25.7 327
1997-05-02 13:18:48 C 08 46 22.20 +71 44 28.2 327
1997-05-02 21:30:57 C 08 46 54.06 +71 47 43.1 z 118
1997-05-02 21:46:35 C 08 46 55.02 +71 47 48.6 z 118
1997-05-02 21:56:57 C 08 46 55.65 +71 47 52.4 z 118
1997-05-03 21:20:05 C 08 48 28.32 +71 57 36.9 z 118
1997-05-03 21:25:07 C 08 48 28.50 +71 57 38.5 z 118
1997-05-03 21:28:37 C 08 48 28.71 +71 57 39.7 z 118
1997-05-04 11:43:24 C 08 49 25.81 +72 03 47.6 z 402
1997-05-04 11:48:25 C 08 49 26.02 +72 03 49.4 z 402
1997-05-04 11:53:25 C 08 49 26.38 +72 03 50.2 z 402
1997-05-14 03:12:22 C 09 04 06.47 +73 48 23.3 i 711
1997-05-14 03:26:18 C 09 04 07.01 +73 48 29.2 i 711
1997-05-14 20:54:48 C 09 05 04.68 +73 57 01.2 z 587
1997-05-14 21:19:45 C 09 05 05.60 +73 57 11.2 z 587
1997-05-14 23:47:18 C 09 05 13.69 +73 58 13.0 z 557
1997-05-14 23:51:23 C 09 05 14.08 +73 58 15.0 z 557
1997-05-15 00:11:07 C 09 05 15.18 +73 58 23.8 z 557
1997-05-15 00:14:15 C 09 05 15.45 +73 58 24.6 z 557
1997-05-16 23:48:32 C 09 07 38.11 +74 22 49.2 z 046
1997-05-16 23:51:23 C 09 07 38.36 +74 22 50.6 z 046
1997-05-16 23:58:19 C 09 07 38.52 +74 22 53.3 z 046
1997-05-17 00:01:34 C 09 07 38.88 +74 22 54.8 z 046
1997-05-18 00:32:12 C 09 08 44.47 +74 35 51.3 z 557
1997-05-18 00:37:16 C 09 08 44.67 +74 35 53.1 z 557
1997-05-19 22:43:52 C 09 10 27.65 +75 01 15.7 z 118
1997-05-19 22:51:04 C 09 10 27.81 +75 01 19.5 z 118
1997-05-25 20:59:14 C 09 11 53.98 +76 26 47.2 z 118
1997-05-25 21:04:14 C 09 11 53.84 +76 26 49.9 z 118
1997-05-25 21:08:29 C 09 11 53.66 +76 26 52.6 z 118
1997-05-27 22:10:32 C 09 10 25.03 +76 58 59.5 z 587
1997-05-30 21:54:55 C 09 05 32.93 +77 48 25.9 z 587
1997-05-30 22:04:54 C 09 05 32.20 +77 48 32.4 z 587
1997-05-30 22:56:21 C 09 05 28.28 +77 49 01.6 557
1997-05-30 23:04:36 C 09 05 27.58 +77 49 06.8 557
1997-05-30 23:08:55 C 09 05 27.23 +77 49 09.4 557
1997-05-30 23:13:25 C 09 05 26.86 +77 49 12.2 557
1997-05-31 19:13:36 C 09 03 24.40 +78 03 14.2 19.2 327
1997-05-31 19:19:52 C 09 03 23.89 +78 03 17.7 327
1997-06-03 18:42:40 C 08 52 33.20 +78 55 11.8 327
1997-06-03 18:49:01 C 08 52 31.89 +78 55 18.0 327
1997-06-03 18:55:24 C 08 52 31.04 +78 55 21.3 19.7 327
1997-06-03 19:01:38 C 08 52 30.42 +78 55 25.9 327
1997-06-10 00:52:22 C 08 03 27.31 +80 38 46.7 557
1997-06-10 01:00:52 C 08 03 23.47 +80 38 51.1 557
1997-06-14 18:58:01 C 06 49 13.72 +81 15 16.3 327
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)