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
2016-12-31 01:02:21 C 08 19 39.48 +13 41 01.4 19.0 q J43
2016-12-31 01:04:46 C 08 19 39.31 +13 41 03.7 19.2 q J43
2016-12-31 01:14:33 C 08 19 38.78 +13 41 11.9 19.1 q J43
2016-12-31 01:17:00 C 08 19 38.64 +13 41 14.0 19.2 q J43
2016-12-31 01:26:49 C 08 19 38.08 +13 41 22.0 19.0 q J43
2016-12-31 01:29:14 C 08 19 37.96 +13 41 24.1 19.1 q J43
2016-12-31 01:39:09 C 08 19 37.39 +13 41 32.5 19.4 q J43
2016-12-31 01:41:34 C 08 19 37.27 +13 41 34.7 19.6 q J43
2017-01-01 02:15:47 C 08 18 17.11 +14 02 30.7 q 160
2017-01-01 02:18:47 C 08 18 16.91 +14 02 32.8 q 160
2017-01-04 01:33:41 C 08 14 02.80 +15 07 13.9 q 160
2017-01-04 01:36:30 C 08 14 02.60 +15 07 16.5 q 160
2017-01-04 01:39:19 C 08 14 02.41 +15 07 19.1 q 160
2017-01-04 11:16:03 C 08 13 25.96 +15 16 34.9 L T05
2017-01-04 11:39:45 C 08 13 24.15 +15 16 56.9 L T05
2017-01-04 12:11:37 C 08 13 21.98 +15 17 28.0 L T05
2017-01-04 12:23:10 C 08 13 21.23 +15 17 38.6 L T05
2017-01-05 01:27:37 C 08 12 30.20 +15 30 13.4 18.6 q J43
2017-01-05 01:39:58 C 08 12 29.32 +15 30 25.3 18.4 q J43
2017-01-05 01:52:23 C 08 12 28.45 +15 30 37.4 18.6 q J43
2017-01-05 02:04:47 C 08 12 27.60 +15 30 49.4 18.4 q J43
2017-01-05 04:39:06 C 08 12 18.04 +15 33 18.2 R G45
2017-01-05 04:45:57 C 08 12 17.62 +15 33 24.3 R G45
2017-01-05 05:42:29 C 08 12 13.78 +15 34 20.6 R G45
2017-01-05 05:49:35 C 08 12 13.30 +15 34 28.0 R G45
2017-01-05 05:56:35 C 08 12 12.79 +15 34 34.8 R G45
2017-01-05 06:08:43 C 08 12 11.93 +15 34 46.9 R G45
2017-01-05 06:17:28 C 08 12 11.30 +15 34 55.6 R G45
2017-01-05 08:34:47 C 08 12 02.42 +15 37 11.9 L T05
2017-01-05 09:05:45 C 08 12 00.24 +15 37 45.0 L T05
2017-01-05 09:17:16 C 08 11 59.44 +15 37 54.7 L T05
2017-01-05 09:37:32 C 08 11 58.04 +15 38 14.1 L T05
2017-01-05 09:43:53 C 08 11 57.59 +15 38 20.0 L T05
2017-01-07 00:38:51 C 08 09 15.92 +16 17 15.0 q 160
2017-01-07 00:41:49 C 08 09 15.69 +16 17 18.0 q 160
2017-01-07 00:44:47 C 08 09 15.47 +16 17 21.2 q 160
2017-01-07 07:12:11 C 08 08 48.13 +16 24 00.5 q G96
2017-01-07 07:18:24 C 08 08 47.67 +16 24 07.0 q G96
2017-01-07 07:24:41 C 08 08 47.20 +16 24 13.2 q G96
2017-01-07 07:30:52 C 08 08 46.74 +16 24 19.6 q G96
2017-01-07 22:23:13 C 08 07 42.12 +16 39 57.5 o K95
2017-01-07 22:48:29 C 08 07 40.09 +16 40 24.9 o K95
2017-01-07 22:52:09 C 08 07 39.80 +16 40 30.5 o K95
2017-01-08 10:16:28 C 08 06 49.32 +16 52 14.0 L T05
2017-01-08 10:54:32 C 08 06 46.27 +16 52 54.7 L T05
2017-01-08 11:23:13 C 08 06 44.08 +16 53 24.3 L T05
2017-01-08 11:34:14 C 08 06 43.13 +16 53 36.8 L T05
2017-01-10 00:12:12 C 08 03 54.99 +17 32 48.1 q 160
2017-01-10 00:14:23 C 08 03 54.82 +17 32 50.2 q 160
2017-01-10 00:16:34 C 08 03 54.65 +17 32 52.4 q 160
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)