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
2017-08-04 06:31:23 C 13 49 04.60 -08 01 21.8 L T05
2017-08-04 06:44:10 C 13 49 06.98 -08 02 08.3 L T05
2017-08-04 06:56:19 C 13 49 09.28 -08 02 54.5 L T05
2017-08-04 07:09:14 C 13 49 11.69 -08 03 42.0 L T05
2017-08-08 06:00:57 C 14 08 08.89 -14 01 24.6 L T05
2017-08-08 06:12:23 C 14 08 11.16 -14 02 07.8 L T05
2017-08-08 06:25:28 C 14 08 13.83 -14 02 56.6 L T05
2017-08-08 06:37:30 C 14 08 16.27 -14 03 42.5 L T05
2017-08-14 05:59:53 C 14 39 23.05 -23 00 40.6 L T08
2017-08-14 06:09:35 C 14 39 25.26 -23 01 15.9 L T08
2017-08-14 06:22:16 C 14 39 28.08 -23 02 01.9 L T08
2017-08-14 06:34:56 C 14 39 30.93 -23 02 47.8 L T08
2017-08-20 05:52:54 C 15 14 00.40 -31 18 22.6 L T05
2017-08-20 06:01:43 C 15 14 02.52 -31 18 50.8 L T05
2017-08-20 06:13:23 C 15 14 05.40 -31 19 27.9 L T05
2017-08-20 06:25:03 C 15 14 08.27 -31 20 05.0 L T05
2017-11-05 04:58:28 C 22 06 11.179 -39 23 07.08 L F51
2017-11-05 05:12:26 C 22 06 12.834 -39 22 54.00 L F51
2017-11-05 05:40:14 C 22 06 16.011 -39 22 27.93 L F51
2017-12-23 01:37:11 C 23 57 13.36 -21 20 38.5 U G96
2017-12-23 01:45:37 C 23 57 14.14 -21 20 31.6 U G96
2017-12-23 01:54:01 C 23 57 14.77 -21 20 23.0 U G96
2017-12-23 02:02:25 C 23 57 15.48 -21 20 15.3 U G96
2019-12-21 07:37:43 C 06 33 23.57 +06 32 09.4 V G96
2019-12-21 07:45:39 C 06 33 22.88 +06 32 13.5 V G96
2019-12-21 07:53:35 C 06 33 22.21 +06 32 17.4 V G96
2019-12-21 08:01:31 C 06 33 21.54 +06 32 21.4 V G96
2019-12-23 23:38:08 C 06 28 01.27 +07 05 44.5 V C95
2019-12-23 23:41:37 C 06 28 00.98 +07 05 46.1 V C95
2020-01-04 21:16:20 C 06 02 33.84 +10 08 08.6 V A16
2020-01-04 21:26:47 C 06 02 32.86 +10 08 17.3 V A16
2020-01-04 22:08:37 C 06 02 29.03 +10 08 45.2 V A16
2020-01-06 21:09:54 C 05 58 19.39 +10 42 38.9 V 160
2020-01-06 21:13:20 C 05 58 19.11 +10 42 41.7 V 160
2020-01-06 21:16:48 C 05 58 18.76 +10 42 44.1 V 160
2020-01-11 21:10:41 C 05 48 07.21 +12 11 56.2 V 160
2020-01-11 21:15:10 C 05 48 06.84 +12 11 57.4 V 160
2020-01-11 21:19:39 C 05 48 06.54 +12 12 00.2 V 160
2020-01-12 20:42:40 C 05 46 12.88 +12 29 44.3 V 160
2020-01-12 20:47:06 C 05 46 12.49 +12 29 47.7 V 160
2020-01-12 20:51:33 C 05 46 12.12 +12 29 51.2 V 160
2020-01-14 22:13:30 C 05 42 19.59 +13 07 26.0 V A16
2020-01-14 22:45:14 C 05 42 16.91 +13 07 49.0 V A16
2020-01-14 22:55:50 C 05 42 16.08 +13 07 57.1 V A16
2020-01-14 23:06:25 C 05 42 15.22 +13 08 04.7 V A16
2020-01-16 22:02:06 C 05 38 44.82 +13 43 54.9 V A16
2020-01-16 22:12:38 C 05 38 44.02 +13 44 02.7 V A16
2020-01-16 22:23:12 C 05 38 43.23 +13 44 11.2 V A16
2020-01-16 22:44:17 C 05 38 41.66 +13 44 27.0 V A16
2020-01-22 22:07:34 C 05 29 11.75 +15 33 28.9 V A16
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)