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
2017-01-29 05:34:28 C 07 20 46.15 +26 40 51.0 q 703
2017-01-30 07:19:54 C 07 18 13.13 +27 10 53.0 q H45
2017-01-30 07:22:00 C 07 18 12.94 +27 10 55.7 q H45
2017-01-30 07:23:17 C 07 18 12.80 +27 10 56.9 q H45
2017-01-30 07:25:25 C 07 18 12.61 +27 10 59.3 q H45
2017-01-30 07:28:12 C 07 18 12.31 +27 11 02.5 q H45
2017-01-30 07:29:17 C 07 18 12.22 +27 11 03.4 q H45
2017-02-05 08:21:47 C 07 04 34.41 +29 51 56.5 L T05
2017-02-05 08:38:17 C 07 04 32.85 +29 52 13.0 L T05
2017-02-05 08:43:15 C 07 04 32.43 +29 52 18.4 L T05
2017-02-05 09:04:55 C 07 04 30.39 +29 52 41.1 L T05
2017-02-06 21:52:42 C 07 01 17.51 +30 30 48.9 18.2 q J43
2017-02-06 22:04:59 C 07 01 16.34 +30 31 01.6 18.6 q J43
2017-02-06 22:17:22 C 07 01 15.25 +30 31 14.3 18.5 q J43
2017-02-06 22:29:46 C 07 01 14.12 +30 31 27.0 18.6 q J43
2017-02-11 15:23:53 C 06 52 11.10 +32 21 02.2 q D29
2017-02-11 15:48:36 C 06 52 09.11 +32 21 23.9 q D29
2017-02-11 16:13:20 C 06 52 07.27 +32 21 46.5 q D29
2017-02-13 02:48:46 C 06 49 38.99 +32 53 01.4 u H21
2017-02-13 02:52:29 C 06 49 38.72 +32 53 04.7 u H21
2017-02-13 02:55:42 C 06 49 38.48 +32 53 07.5 u H21
2017-02-14 21:38:40 C 06 46 46.33 +33 30 12.9 q 160
2017-02-14 21:41:46 C 06 46 46.08 +33 30 15.2 q 160
2017-02-14 21:44:51 C 06 46 45.84 +33 30 17.5 q 160
2017-02-15 20:52:09 C 06 45 18.83 +33 49 42.3 q 160
2017-02-15 20:55:08 C 06 45 18.63 +33 49 44.8 q 160
2017-02-15 20:58:08 C 06 45 18.46 +33 49 47.6 q 160
2017-02-17 08:31:24 C 06 43 12.59 +34 18 46.8 L T05
2017-02-17 09:05:25 C 06 43 10.23 +34 19 14.1 L T05
2017-02-17 09:35:17 C 06 43 08.35 +34 19 38.6 L T05
2017-02-17 09:40:29 C 06 43 08.21 +34 19 41.7 L T05
2017-02-18 21:44:08 C 06 41 11.58 +34 47 48.7 q 160
2017-02-18 21:47:07 C 06 41 11.44 +34 47 50.9 q 160
2017-02-18 21:50:08 C 06 41 11.25 +34 47 53.4 q 160
2017-02-24 03:38:37 C 06 35 49.19 +36 18 04.5 q H45
2017-02-24 03:40:53 C 06 35 49.15 +36 18 05.9 q H45
2017-02-24 03:42:07 C 06 35 49.07 +36 18 06.5 q H45
2017-02-24 03:43:34 C 06 35 49.05 +36 18 07.3 q H45
2017-02-24 03:45:00 C 06 35 48.97 +36 18 08.8 q H45
2017-02-24 03:46:22 C 06 35 48.88 +36 18 09.6 q H45
2017-02-24 03:52:56 C 06 35 48.90 +36 18 14.5 R G45
2017-02-24 04:00:31 C 06 35 48.61 +36 18 19.6 R G45
2017-02-24 04:06:53 C 06 35 48.34 +36 18 23.8 R G45
2017-02-24 04:08:43 C 06 35 48.28 +36 18 25.0 R G45
2017-02-24 04:13:38 C 06 35 48.09 +36 18 28.2 R G45
2017-02-24 04:15:55 C 06 35 48.02 +36 18 29.7 R G45
2017-02-26 20:03:38 C 06 33 56.87 +36 59 40.0 d B66
2017-02-26 20:37:40 C 06 33 56.06 +37 00 00.5 d B66
2017-03-02 03:30:48 C 06 32 27.43 +37 47 13.2 q H45
2017-03-02 03:32:27 C 06 32 27.39 +37 47 14.8 q H45
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)