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
2020-01-22 22:28:39 C 05 29 10.45 +15 33 44.9 V A16
2020-01-22 22:42:22 C 05 29 09.62 +15 33 54.9 V A16
2020-01-29 06:08:18 C 05 21 25.15 +17 26 15.8 V 703
2020-01-29 06:16:32 C 05 21 24.72 +17 26 21.3 V 703
2020-01-29 06:24:47 C 05 21 24.35 +17 26 28.4 V 703
2020-01-29 07:25:42 C 05 21 22.12 +17 27 14.4 V T08
2020-01-29 07:30:28 C 05 21 21.84 +17 27 17.9 V T08
2020-01-29 07:44:42 C 05 21 21.19 +17 27 28.0 V T08
2020-01-29 07:54:16 C 05 21 20.79 +17 27 35.7 V T08
2020-01-31 04:01:50 C 05 19 34.59 +17 59 25.4 V G96
2020-01-31 04:10:35 C 05 19 34.23 +17 59 31.6 V G96
2020-01-31 04:19:18 C 05 19 33.88 +17 59 37.9 V G96
2020-01-31 04:28:02 C 05 19 33.52 +17 59 44.0 V G96
2020-02-02 07:45:45 C 05 17 46.49 +18 36 17.0 V T08
2020-02-02 07:50:01 C 05 17 46.33 +18 36 20.2 V T08
2020-02-02 08:12:56 C 05 17 45.52 +18 36 34.5 V T08
2020-02-02 08:21:11 C 05 17 45.16 +18 36 40.8 V T08
2020-02-14 03:50:04 C 05 13 08.37 +21 46 30.7 V G96
2020-02-14 03:58:06 C 05 13 08.33 +21 46 35.7 V G96
2020-02-14 04:06:07 C 05 13 08.30 +21 46 40.8 V G96
2020-02-14 04:14:10 C 05 13 08.27 +21 46 45.8 V G96
2020-02-26 07:21:11 C 05 16 55.25 +24 40 17.3 V T08
2020-02-26 07:35:15 C 05 16 55.59 +24 40 24.0 V T08
2020-02-26 07:51:00 C 05 16 55.95 +24 40 32.7 V T08
2020-02-26 08:07:58 C 05 16 56.42 +24 40 41.4 V T08
2020-02-26 08:22:21 C 05 16 56.71 +24 40 51.2 V T08
2022-10-01 14:19:15 C 05 57 31.519 +01 44 31.46 U F51
2022-10-01 14:33:30 C 05 57 32.015 +01 44 27.61 U F51
2022-10-01 14:47:31 C 05 57 32.499 +01 44 23.78 U F51
2022-10-29 10:19:27 C 06 07 40.091 -01 21 53.39 V G96
2022-10-29 10:26:51 C 06 07 40.004 -01 21 55.33 V G96
2022-10-29 10:34:15 C 06 07 39.904 -01 21 57.20 V G96
2022-10-29 10:41:38 C 06 07 39.810 -01 21 59.22 V G96
2022-11-08 09:36:28 C 06 02 43.184 -02 16 30.90 V G96
2022-11-08 09:43:23 C 06 02 42.958 -02 16 32.23 V G96
2022-11-08 09:50:15 C 06 02 42.716 -02 16 33.38 V G96
2022-11-08 09:57:23 C 06 02 42.482 -02 16 34.72 V G96
2022-11-20 05:58:19 C 05 49 55.994 -02 52 38.96 V W68
2022-11-20 06:00:55 C 05 49 55.901 -02 52 38.68 V W68
2022-11-20 06:05:28 C 05 49 55.510 -02 52 39.25 V W68
2022-11-20 06:13:16 C 05 49 55.092 -02 52 40.51 V W68
2022-11-20 09:28:21 C 05 49 43.662 -02 52 59.88 V G96
2022-11-20 09:35:48 C 05 49 43.198 -02 53 00.20 V G96
2022-11-20 09:43:14 C 05 49 42.751 -02 53 00.53 V G96
2022-11-20 09:50:39 C 05 49 42.308 -02 53 01.00 V G96
2022-11-23 11:25:03 C 05 45 10.748 -02 54 45.91 U F51
2022-11-23 11:31:33 C 05 45 10.313 -02 54 45.96 U F51
2022-11-23 11:42:58 C 05 45 09.540 -02 54 45.91 U F51
2022-11-23 11:49:29 C 05 45 09.095 -02 54 45.97 U F51
2022-11-23 12:19:02 C 05 45 07.101 -02 54 45.89 U F51
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)