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
1997-01-28 16:23:31 C 10 10 02.17 +28 50 08.3 z 411
1997-01-28 22:26:47 C 10 09 53.01 +29 02 01.4 z 587
1997-01-28 22:29:49 C 10 09 52.90 +29 02 08.3 z 587
1997-01-28 22:33:29 C 10 09 52.78 +29 02 15.0 z 587
1997-01-28 22:37:54 C 10 09 52.63 +29 02 24.3 z 587
1997-01-29 04:11:42 C 10 09 43.34 +29 13 29.1 z 817
1997-01-29 04:19:55 C 10 09 43.07 +29 13 46.0 z 817
1997-01-29 04:25:03 C 10 09 42.89 +29 13 56.2 z 817
1997-01-29 04:34:09 C 10 09 42.59 +29 14 14.3 z 817
1997-01-29 04:50:40 C 10 09 42.05 +29 14 47.5 z 817
1997-01-29 13:44:36 C 10 09 27.03 +29 32 36.0 z 355
1997-01-29 13:57:00 C 10 09 26.60 +29 33 02.1 z 355
1997-01-29 14:10:07 C 10 09 26.20 +29 33 28.1 z 355
1997-01-29 22:26:42 C 10 09 11.35 +29 50 04.1 z 108
1997-01-30 12:17:51 C 10 08 45.95 +30 18 14.6 z 897
1997-01-30 12:26:56 C 10 08 45.47 +30 18 32.9 z 897
1997-01-30 14:32:02 C 10 08 40.89 +30 22 53.3 z 355
1997-01-30 14:38:53 C 10 08 40.63 +30 23 06.1 z 355
1997-01-30 14:43:07 C 10 08 40.46 +30 23 15.5 z 355
1997-01-31 08:35:14 C 10 08 04.37 +31 00 02.3 z 670
1997-01-31 08:45:15 C 10 08 03.98 +31 00 25.3 z 670
1997-01-31 09:00:00 C 10 08 03.37 +31 00 56.0 z 670
1997-01-31 15:56:30 C 10 07 48.91 +31 15 20.8 z 360
1997-01-31 16:00:45 C 10 07 48.73 +31 15 29.8 z 360
1997-01-31 16:12:00 C 10 07 48.26 +31 15 53.2 z 360
1997-01-31 20:29:00 C 10 07 39.99 +31 24 42.2 z 596
1997-01-31 20:52:37 C 10 07 39.10 +31 25 33.3 z 596
1997-02-01 13:45:52 C 10 07 01.35 +32 01 04.4 z 900
1997-02-01 13:59:15 C 10 07 00.75 +32 01 33.5 z 900
1997-02-01 15:40:39 C 10 06 56.24 +32 05 09.7 z 355
1997-02-01 15:45:44 C 10 06 56.02 +32 05 20.2 z 355
1997-02-01 15:51:52 C 10 06 55.75 +32 05 33.1 z 355
1997-02-01 20:55:58 C 10 06 44.91 +32 16 09.9 z 108
1997-02-01 21:02:45 C 10 06 44.66 +32 16 22.9 z 108
1997-02-02 03:04:47 C 10 06 28.58 +32 29 13.4 z 118
1997-02-02 03:07:49 C 10 06 28.45 +32 29 19.7 z 118
1997-02-02 03:15:48 C 10 06 28.10 +32 29 36.5 z 118
1997-02-02 03:32:22 C 10 06 27.38 +32 30 11.5 z 046
1997-02-02 03:35:33 C 10 06 27.25 +32 30 18.2 z 046
1997-02-02 03:38:15 C 10 06 27.13 +32 30 23.9 z 046
1997-02-02 17:36:10 C 10 05 54.69 +33 00 10.6 z 540
1997-02-02 17:40:42 C 10 05 54.67 +33 00 17.6 z 540
1997-02-02 17:45:11 C 10 05 54.41 +33 00 28.2 z 540
1997-02-02 17:49:51 C 10 05 54.32 +33 00 37.1 z 540
1997-02-03 22:03:59 C 10 04 39.97 +34 01 44.1 z 557
1997-02-03 22:10:03 C 10 04 39.66 +34 01 57.2 z 557
1997-02-03 22:20:51 C 10 04 39.14 +34 02 21.5 z 557
1997-02-04 09:53:05 C 10 04 06.45 +34 27 32.6 z 657
1997-02-04 09:58:20 C 10 04 06.17 +34 27 43.6 z 657
1997-02-04 10:01:00 C 10 04 06.01 +34 27 49.0 z 657
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)