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
2025-09-30 13:52:10 C 05 09 01.051 -05 19 55.59 X F52
2025-09-30 14:25:27 C 05 09 01.420 -05 20 10.39 X F52
2025-10-17 13:39:35 C 05 07 30.943 -08 24 37.14 X F52
2025-10-17 13:54:19 C 05 07 30.581 -08 24 43.49 X F52
2025-10-17 14:09:11 C 05 07 30.221 -08 24 50.24 X F52
2025-10-17 14:23:53 C 05 07 29.851 -08 24 56.48 X F52
2025-11-10 09:43:55 C 04 39 37.894 -11 33 18.11 V G96
2025-11-10 09:51:20 C 04 39 37.354 -11 33 19.62 V G96
2025-11-10 09:58:46 C 04 39 36.799 -11 33 20.92 V G96
2025-11-10 10:06:10 C 04 39 36.238 -11 33 21.82 V G96
2025-11-11 11:40:57 C 04 37 44.122 -11 36 54.58 X F51
2025-11-11 11:56:56 C 04 37 42.891 -11 36 56.61 X F51
2025-11-11 12:12:52 C 04 37 41.663 -11 36 58.63 X F51
2025-11-12 09:28:41 C 04 36 06.917 -11 39 29.59 V T08
2025-11-12 09:35:16 C 04 36 06.355 -11 39 30.92 V T08
2025-11-12 09:49:12 C 04 36 05.306 -11 39 32.36 V T08
2025-11-12 10:04:24 C 04 36 04.104 -11 39 33.95 V T08
2025-11-16 23:40:03 C 04 27 31.490 -11 45 50.15 V R17
2025-11-17 00:00:27 C 04 27 29.803 -11 45 50.44 V R17
2025-11-17 00:20:49 C 04 27 28.130 -11 45 50.51 V R17
2025-11-17 00:41:11 C 04 27 26.414 -11 45 50.69 V R17
2025-11-17 09:51:07 C 04 26 42.199 -11 45 48.51 X F52
2025-11-17 10:08:03 C 04 26 40.791 -11 45 48.51 X F52
2025-11-17 10:25:02 C 04 26 39.367 -11 45 48.44 X F52
2025-11-17 10:42:07 C 04 26 37.944 -11 45 48.40 X F52
2025-11-23 10:32:44 C 04 14 47.884 -11 34 11.44 X F52
2025-11-23 10:48:50 C 04 14 46.495 -11 34 09.00 X F52
2025-11-23 11:04:52 C 04 14 45.117 -11 34 06.48 X F52
2025-11-23 11:20:55 C 04 14 43.734 -11 34 03.91 X F52
2025-11-29 09:49:04 C 04 02 59.720 -11 01 22.04 X F51
2025-11-29 10:06:28 C 04 02 58.262 -11 01 16.82 X F51
2025-11-29 10:23:54 C 04 02 56.797 -11 01 11.50 X F51
2025-11-29 10:41:19 C 04 02 55.338 -11 01 06.23 X F51
2025-12-08 02:15:03 C 03 47 03.758 -09 38 20.00 V W68
2025-12-08 02:17:40 C 03 47 03.482 -09 38 18.82 V W68
2025-12-08 02:22:15 C 03 47 03.182 -09 38 16.37 V W68
2025-12-08 02:30:08 C 03 47 02.594 -09 38 12.55 V W68
2025-12-13 05:46:21 C 03 38 50.572 -08 32 46.57 V G96
2025-12-13 06:02:35 C 03 38 49.556 -08 32 36.96 V G96
2025-12-13 06:10:42 C 03 38 49.009 -08 32 32.21 V G96
2025-12-13 07:53:24 C 03 38 42.873 -08 31 31.54 X F52
2025-12-13 08:10:09 C 03 38 41.794 -08 31 21.96 X F52
2025-12-13 08:26:54 C 03 38 40.715 -08 31 12.30 X F52
2025-12-13 08:43:39 C 03 38 39.634 -08 31 02.67 X F52
2025-12-17 08:20:22 C 03 33 08.070 -07 33 12.07 X F51
2025-12-17 08:40:10 C 03 33 06.955 -07 32 59.56 X F51
2025-12-17 08:59:57 C 03 33 05.837 -07 32 46.99 X F51
2025-12-17 09:19:43 C 03 33 04.722 -07 32 34.55 X F51
2025-12-26 05:20:28 C 03 23 41.829 -05 08 53.38 X F51
2025-12-26 05:39:06 C 03 23 41.141 -05 08 40.10 X 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)