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
1980-02-09 14:13:12 A 09 05 13.01 +38 00 23.9 D 381
1980-02-09 15:13:19 A 09 05 07.18 +38 02 14.7 D 381
1997-01-20 17:27:42 C 10 13 09.38 +23 06 28.2 327
1997-01-20 17:41:35 C 10 13 09.12 +23 06 50.6 17.5 327
1997-01-20 18:02:12 C 10 13 09.00 +23 07 24.5 327
1997-01-22 16:57:19 C 10 12 44.28 +24 25 29.0 327
1997-01-22 17:07:42 C 10 12 44.12 +24 25 47.7 327
1997-01-22 17:17:51 C 10 12 44.02 +24 26 04.4 18.2 327
1997-01-22 17:55:24 C 10 12 43.44 +24 27 06.8 327
1997-01-22 17:59:43 C 10 12 43.42 +24 27 16.4 327
1997-01-22 18:04:59 C 10 12 43.30 +24 27 25.9 327
1997-01-22 18:10:23 C 10 12 43.26 +24 27 34.0 17.9 327
1997-01-22 18:17:09 C 10 12 43.02 +24 27 46.1 17.4 327
1997-01-22 18:22:14 C 10 12 43.00 +24 27 55.8 327
1997-01-22 18:26:42 C 10 12 42.96 +24 28 02.3 327
1997-01-22 18:31:07 C 10 12 42.86 +24 28 10.2 327
1997-01-24 04:24:42 C 10 12 16.95 +25 27 18.9 z 817
1997-01-24 04:33:25 C 10 12 16.80 +25 27 33.5 z 817
1997-01-24 04:50:13 C 10 12 16.48 +25 28 03.2 z 817
1997-01-24 05:02:47 C 10 12 16.25 +25 28 26.3 z 817
1997-01-24 07:09:00 C 10 12 14.71 +25 32 09.0 z 658
1997-01-24 07:10:56 C 10 12 14.65 +25 32 12.2 z 658
1997-01-24 07:14:07 C 10 12 14.63 +25 32 17.8 z 658
1997-01-24 09:08:39 C 10 12 13.14 +25 35 50.3 c 608
1997-01-24 09:37:32 C 10 12 12.42 +25 36 42.8 c 608
1997-01-24 19:04:50 C 10 12 02.43 +25 53 37.8 327
1997-01-24 19:10:05 C 10 12 02.30 +25 53 47.1 17.5 327
1997-01-24 19:20:42 C 10 12 02.04 +25 54 06.4 327
1997-01-24 20:53:36 C 10 12 00.14 +25 56 52.5 327
1997-01-24 21:00:25 C 10 12 00.04 +25 57 04.0 327
1997-01-24 21:12:41 C 10 11 59.79 +25 57 27.5 327
1997-01-24 21:18:20 C 10 11 59.70 +25 57 36.8 17.1 327
1997-01-25 16:34:52 C 10 11 40.43 +26 32 54.3 327
1997-01-25 16:45:31 C 10 11 40.27 +26 33 13.3 327
1997-01-25 16:50:37 C 10 11 40.10 +26 33 24.1 327
1997-01-25 16:56:02 C 10 11 40.07 +26 33 33.8 17.7 327
1997-01-25 17:01:40 C 10 11 39.95 +26 33 44.2 327
1997-01-26 22:24:00 C 10 11 04.26 +27 28 42.2 z 046
1997-01-26 22:25:48 C 10 11 04.21 +27 28 45.8 z 046
1997-01-26 22:27:29 C 10 11 04.14 +27 28 49.3 z 046
1997-01-26 22:29:47 C 10 11 04.11 +27 28 53.0 z 046
1997-01-27 03:59:56 C 10 10 55.48 +27 39 21.7 z 557
1997-01-27 04:04:48 C 10 10 55.36 +27 39 30.7 z 557
1997-01-27 04:11:19 C 10 10 55.20 +27 39 43.1 z 557
1997-01-27 04:17:15 C 10 10 55.08 +27 39 53.8 z 557
1997-01-27 11:04:48 C 10 10 45.89 +27 52 57.5 z 658
1997-01-27 11:09:52 C 10 10 45.75 +27 53 06.8 z 658
1997-01-27 11:21:46 C 10 10 45.46 +27 53 29.0 z 658
1997-01-28 16:08:38 C 10 10 02.66 +28 49 39.3 z 411
1997-01-28 16:21:05 C 10 10 02.28 +28 50 03.5 z 411
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)