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
2014-07-22 13:04:44 S 02 05 18.68 -09 21 32.4 L C51
2014-07-22 14:39:32 S 02 05 25.13 -09 25 46.6 L C51
2014-07-22 16:14:09 S 02 05 31.61 -09 30 00.7 L C51
2014-07-22 17:48:57 S 02 05 38.06 -09 34 13.5 L C51
2014-07-22 20:58:33 S 02 05 50.89 -09 42 40.1 L C51
2014-07-23 00:07:58 S 02 06 03.653 -09 51 05.00 L C51
2014-07-23 03:17:23 S 02 06 16.39 -09 59 29.0 L C51
2014-09-07 06:34:47 C 02 06 24.37 -42 39 48.0 r Y00
2014-09-07 06:49:05 C 02 06 23.11 -42 40 00.5 r Y00
2014-09-07 07:03:24 C 02 06 21.99 -42 40 13.7 r Y00
2014-09-28 11:30:46 C 01 19 24.222 -46 10 36.92 L F51
2014-09-28 11:43:06 C 01 19 22.950 -46 10 35.88 L F51
2014-09-28 12:07:47 C 01 19 20.392 -46 10 33.70 L F51
2014-11-06 07:32:00 C 00 28 36.596 -36 06 22.00 L F51
2014-11-06 07:46:13 C 00 28 36.445 -36 06 08.03 L F51
2014-11-06 08:00:24 C 00 28 36.280 -36 05 54.52 L F51
2014-11-06 08:14:37 C 00 28 36.112 -36 05 40.57 L F51
2016-11-12 14:20:06 C 08 18 35.315 +07 48 20.63 L F51
2016-11-12 14:37:26 C 08 18 35.959 +07 48 19.97 L F51
2016-11-24 09:05:43 C 08 27 50.72 +07 50 52.4 V G45
2016-11-24 10:04:20 C 08 27 52.06 +07 50 56.1 V G45
2016-11-24 11:02:31 C 08 27 53.44 +07 51 00.9 V G45
2016-11-24 11:53:19 C 08 27 54.60 +07 51 04.0 V G45
2016-11-30 11:58:46 C 08 30 52.27 +08 06 30.8 R G45
2016-11-30 12:06:38 C 08 30 52.33 +08 06 31.8 R G45
2016-11-30 12:21:16 C 08 30 52.55 +08 06 34.1 R G45
2016-11-30 12:29:28 C 08 30 52.69 +08 06 35.4 R G45
2016-11-30 19:44:23 C 08 30 59.57 +08 07 39.8 q D29
2016-11-30 20:09:50 C 08 31 00.01 +08 07 46.4 q D29
2016-12-05 07:03:50 C 08 32 14.44 +08 27 50.9 R G45
2016-12-05 07:10:46 C 08 32 14.48 +08 27 52.5 R G45
2016-12-05 07:17:49 C 08 32 14.52 +08 27 54.3 R G45
2016-12-05 07:25:20 C 08 32 14.54 +08 27 55.9 R G45
2016-12-05 07:32:18 C 08 32 14.64 +08 27 57.6 R G45
2016-12-24 02:15:50 C 08 26 52.02 +11 37 11.4 q 160
2016-12-24 02:18:48 C 08 26 51.92 +11 37 13.9 q 160
2016-12-27 09:08:08 C 08 23 50.67 +12 31 46.4 R G45
2016-12-27 09:15:16 C 08 23 50.32 +12 31 51.3 R G45
2016-12-27 09:22:51 C 08 23 49.98 +12 31 56.7 R G45
2016-12-27 09:29:35 C 08 23 49.66 +12 32 01.9 R G45
2016-12-29 08:26:59 C 08 21 41.82 +13 07 55.8 R G45
2016-12-29 08:35:00 C 08 21 41.50 +13 08 02.3 R G45
2016-12-29 08:42:50 C 08 21 41.09 +13 08 08.1 R G45
2016-12-29 08:49:49 C 08 21 40.73 +13 08 14.0 R G45
2016-12-29 08:56:57 C 08 21 40.38 +13 08 19.9 R G45
2016-12-29 09:05:16 C 08 21 39.93 +13 08 26.0 R G45
2016-12-30 00:57:21 C 08 20 53.58 +13 21 09.7 18.3 q J43
2016-12-30 01:09:32 C 08 20 52.93 +13 21 19.6 18.1 q J43
2016-12-30 01:21:43 C 08 20 52.28 +13 21 29.5 18.3 q J43
2016-12-30 01:33:55 C 08 20 51.63 +13 21 39.5 18.2 q J43
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)