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
2014-03-08 00:58:27 C 11 36 03.47 +64 00 29.2 t 130
2014-03-09 21:46:28 C 11 36 11.62 +65 39 30.6 u A48
2014-03-09 21:50:04 C 11 36 11.62 +65 39 38.7 u A48
2014-03-09 21:53:40 C 11 36 11.68 +65 39 46.6 u A48
2014-03-09 21:57:16 C 11 36 11.62 +65 39 54.5 u A48
2014-03-11 05:35:14 C 11 36 13.85 +66 47 30.1 q H45
2014-03-11 05:36:38 C 11 36 13.84 +66 47 33.1 q H45
2014-03-11 05:38:11 C 11 36 13.84 +66 47 36.2 q H45
2014-03-11 05:40:13 C 11 36 13.82 +66 47 40.4 q H45
2014-03-11 05:42:25 C 11 36 13.80 +66 47 45.3 q H45
2014-03-11 05:43:50 C 11 36 13.78 +66 47 48.1 q H45
2014-03-12 04:04:01 C 11 36 16.82 +67 34 10.1 q H45
2014-03-12 04:05:43 C 11 36 16.81 +67 34 14.2 q H45
2014-03-12 04:15:59 C 11 36 16.72 +67 34 35.6 q H45
2014-03-12 04:21:07 C 11 36 16.58 +67 34 47.0 q H45
2014-03-12 04:22:19 C 11 36 16.55 +67 34 49.1 q H45
2014-03-12 04:28:58 C 11 36 16.53 +67 35 02.8 q H45
2014-03-12 21:17:33 C 11 36 17.66 +68 09 13.1 c A24
2014-03-12 21:18:36 C 11 36 17.66 +68 09 15.2 c A24
2014-03-12 22:18:13 C 11 36 16.93 +68 11 19.5 c A24
2014-03-12 22:19:14 C 11 36 16.82 +68 11 19.8 c A24
2014-03-14 23:00:49 C 11 36 21.18 +69 47 15.7 q G40
2014-03-14 23:20:15 C 11 36 20.78 +69 47 54.0 q G40
2014-03-15 00:01:02 C 11 36 20.02 +69 49 13.5 q G40
2014-03-15 17:13:35 C 11 36 17.71 +70 21 51.1 o 300
2014-03-15 17:14:46 C 11 36 17.59 +70 21 53.7 o 300
2014-03-15 17:15:49 C 11 36 17.59 +70 21 55.7 o 300
2014-03-15 17:16:52 C 11 36 17.62 +70 21 57.7 o 300
2014-03-18 07:08:18 C 11 36 25.29 +72 14 37.2 u H21
2014-03-18 07:11:21 C 11 36 25.24 +72 14 42.4 u H21
2014-03-18 07:17:28 C 11 36 25.13 +72 14 53.1 u H21
2014-03-18 07:20:46 C 11 36 25.08 +72 14 58.8 u H21
2014-04-01 17:41:36 C 11 42 46.85 +80 42 36.4 r 168
2014-04-01 17:45:36 C 11 42 46.96 +80 42 41.5 r 168
2014-04-01 18:54:01 C 11 42 48.72 +80 44 05.2 r 168
2014-04-01 18:59:01 C 11 42 48.92 +80 44 11.3 r 168
2014-04-03 17:59:36 C 11 45 38.59 +81 40 12.0 r 168
2014-04-03 18:02:11 C 11 45 38.67 +81 40 15.3 r 168
2014-04-03 19:09:06 C 11 45 41.50 +81 41 33.9 r 168
2014-04-03 19:12:46 C 11 45 41.55 +81 41 38.0 r 168
2014-04-06 19:55:51 C 11 52 18.11 +83 04 01.4 q C77
2014-04-06 20:01:03 C 11 52 18.49 +83 04 07.3 q C77
2014-04-06 20:05:27 C 11 52 18.80 +83 04 12.3 q C77
2014-07-18 17:29:15 S 01 58 39.967 -05 06 54.97 L C51
2014-07-22 00:26:41 S 02 04 26.41 -08 47 28.3 L C51
2014-07-22 03:36:18 S 02 04 39.57 -08 56 00.9 L C51
2014-07-22 06:45:43 S 02 04 52.67 -09 04 33.4 L C51
2014-07-22 09:55:08 S 02 05 05.68 -09 13 03.1 L C51
2014-07-22 09:55:19 S 02 05 05.70 -09 13 03.3 L C51
2014-07-22 11:29:55 S 02 05 12.18 -09 17 18.1 L C51
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)