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
2014-01-23 11:58:58 C 11 09 53.55 +22 42 58.4 q 703
2014-01-23 12:06:09 C 11 09 53.86 +22 43 09.7 q 703
2014-01-25 11:07:11 C 11 12 01.65 +24 01 04.7 q H45
2014-01-25 11:09:21 C 11 12 01.71 +24 01 08.7 q H45
2014-01-25 11:12:26 C 11 12 01.87 +24 01 14.2 q H45
2014-01-25 11:13:50 C 11 12 01.93 +24 01 16.5 q H45
2014-01-25 11:16:56 C 11 12 02.05 +24 01 21.5 q H45
2014-01-26 21:18:48 C 11 13 31.80 +25 00 55.5 q D29
2014-01-26 21:44:34 C 11 13 32.78 +25 01 41.0 q D29
2014-01-26 22:10:20 C 11 13 33.76 +25 02 26.5 q D29
2014-02-01 23:00:41 C 11 19 28.98 +29 45 45.8 q D00
2014-02-01 23:16:35 C 11 19 29.63 +29 46 20.5 q D00
2014-02-01 23:32:34 C 11 19 30.04 +29 46 53.8 q D00
2014-02-01 23:48:33 C 11 19 30.61 +29 47 27.7 q D00
2014-02-11 06:42:26 C 11 27 01.28 +38 29 34.2 q 703
2014-02-11 06:51:07 C 11 27 01.43 +38 29 56.8 q 703
2014-02-11 06:59:47 C 11 27 01.63 +38 30 19.0 q 703
2014-02-11 07:08:26 C 11 27 01.84 +38 30 41.1 q 703
2014-02-11 19:15:04 C 11 27 23.12 +39 01 22.8 o C41
2014-02-11 20:19:39 C 11 27 24.74 +39 04 10.9 o C41
2014-02-11 20:59:14 C 11 27 25.64 +39 05 52.8 o C41
2014-02-11 22:02:53 C 11 27 27.06 +39 08 37.0 o C41
2014-02-13 07:55:35 C 11 28 22.76 +40 35 55.7 u H21
2014-02-13 07:59:34 C 11 28 22.84 +40 36 06.1 u H21
2014-02-13 08:03:40 C 11 28 22.91 +40 36 16.5 u H21
2014-02-13 08:07:47 C 11 28 23.00 +40 36 27.3 u H21
2014-02-18 06:20:24 C 11 31 15.82 +45 49 40.0 u H21
2014-02-18 06:25:22 C 11 31 15.89 +45 49 53.1 u H21
2014-02-18 06:30:21 C 11 31 15.94 +45 50 06.7 u H21
2014-02-18 06:36:05 C 11 31 16.01 +45 50 22.1 u H21
2014-02-25 00:38:11 C 11 34 06.01 +53 05 15.4 c A24
2014-02-25 00:39:13 C 11 34 05.97 +53 05 18.1 c A24
2014-02-25 00:42:34 C 11 34 06.12 +53 05 24.7 q K20
2014-02-25 00:49:45 C 11 34 06.14 +53 05 44.1 q K20
2014-02-25 00:57:59 C 11 34 06.18 +53 06 05.5 q K20
2014-02-25 01:05:40 C 11 34 06.23 +53 06 26.3 q K20
2014-02-25 01:42:12 C 11 34 06.27 +53 08 04.6 c A24
2014-02-25 01:43:14 C 11 34 06.26 +53 08 07.1 c A24
2014-03-06 20:34:11 C 11 36 02.00 +62 55 30.8 c I99
2014-03-06 20:37:16 C 11 36 01.90 +62 55 38.1 c I99
2014-03-06 20:40:21 C 11 36 01.99 +62 55 45.8 c I99
2014-03-07 09:49:15 C 11 35 59.42 +63 26 04.2 q H45
2014-03-07 09:50:41 C 11 35 59.41 +63 26 07.6 q H45
2014-03-07 09:51:38 C 11 35 59.41 +63 26 09.7 q H45
2014-03-07 09:53:08 C 11 35 59.40 +63 26 13.2 q H45
2014-03-07 09:55:12 C 11 35 59.36 +63 26 17.5 q H45
2014-03-07 09:57:04 C 11 35 59.34 +63 26 21.7 q H45
2014-03-08 00:54:09 C 11 36 03.52 +64 00 19.8 t 130
2014-03-08 00:55:35 C 11 36 03.50 +64 00 22.9 t 130
2014-03-08 00:57:01 C 11 36 03.48 +64 00 26.2 t 130
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)