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
2022-11-23 12:25:32 C 05 45 06.660 -02 54 45.89 U F51
2022-12-02 10:02:05 C 05 29 39.228 -02 37 11.95 U F51
2022-12-02 10:19:15 C 05 29 37.825 -02 37 09.08 U F51
2022-12-02 10:36:23 C 05 29 36.424 -02 37 06.25 U F51
2022-12-02 10:53:30 C 05 29 35.022 -02 37 03.29 U F51
2022-12-15 09:59:41 C 05 03 39.245 -01 04 36.95 V T05
2022-12-15 10:05:36 C 05 03 38.731 -01 04 34.82 V T05
2022-12-15 10:16:41 C 05 03 37.742 -01 04 29.82 V T05
2022-12-15 10:36:26 C 05 03 36.062 -01 04 21.76 V T05
2022-12-18 15:55:48 C 04 57 08.83 -00 29 27.0 V D29
2022-12-18 16:16:10 C 04 57 07.12 -00 29 17.3 V D29
2022-12-18 16:36:32 C 04 57 05.34 -00 29 07.7 V D29
2022-12-19 09:46:10 C 04 55 40.616 -00 20 46.79 V G96
2022-12-19 09:53:36 C 04 55 39.968 -00 20 43.22 V G96
2022-12-19 10:01:01 C 04 55 39.371 -00 20 39.66 V G96
2022-12-19 10:08:26 C 04 55 38.766 -00 20 36.13 V G96
2022-12-21 15:15:46 C 04 51 22.13 +00 06 30.1 V D29
2022-12-21 15:36:08 C 04 51 20.36 +00 06 40.1 V D29
2022-12-21 15:56:30 C 04 51 18.77 +00 06 51.7 V D29
2022-12-25 07:20:15 C 04 44 34.480 +00 55 17.62 V 703
2022-12-25 07:27:55 C 04 44 33.839 +00 55 22.80 V 703
2022-12-25 07:35:35 C 04 44 33.277 +00 55 25.97 V 703
2022-12-25 07:43:15 C 04 44 32.698 +00 55 30.86 V 703
2022-12-26 03:24:22 C 04 43 05.748 +01 07 12.47 V W68
2022-12-26 03:29:09 C 04 43 05.390 +01 07 15.89 V W68
2022-12-26 04:13:59 C 04 43 01.985 +01 07 42.53 V W68
2022-12-26 04:22:26 C 04 43 01.322 +01 07 47.50 V W68
2023-01-11 08:06:27 C 04 20 50.491 +05 23 36.14 U F52
2023-01-11 08:24:13 C 04 20 49.735 +05 23 48.67 U F52
2023-01-11 08:42:00 C 04 20 48.986 +05 24 01.21 U F52
2023-01-11 08:59:41 C 04 20 48.250 +05 24 13.65 U F52
2023-01-11 14:06:52 C 04 20 36.28 +05 27 47.7 V D29
2023-01-11 14:27:14 C 04 20 35.36 +05 28 04.2 V D29
2023-01-11 14:47:36 C 04 20 34.68 +05 28 16.9 V D29
2023-01-14 05:37:29 C 04 18 19.300 +06 12 42.05 V G96
2023-01-14 05:45:40 C 04 18 19.048 +06 12 47.92 V G96
2023-01-14 05:53:51 C 04 18 18.734 +06 12 53.46 V G96
2023-01-15 05:50:32 C 04 17 33.633 +06 29 55.34 U F52
2023-01-15 06:07:03 C 04 17 33.096 +06 30 07.01 U F52
2023-01-15 06:23:42 C 04 17 32.542 +06 30 18.82 U F52
2023-01-15 06:40:23 C 04 17 31.988 +06 30 30.73 U F52
2023-01-23 05:33:56 C 04 13 27.201 +08 46 12.40 U F52
2023-01-23 05:51:20 C 04 13 26.939 +08 46 24.69 U F52
2023-01-23 06:08:49 C 04 13 26.688 +08 46 37.10 U F52
2023-01-23 06:26:33 C 04 13 26.420 +08 46 49.60 U F52
2024-12-04 15:00:01 C 12 52 03.321 +03 26 24.63 X F51
2024-12-04 15:06:32 C 12 52 04.278 +03 26 21.67 X F51
2024-12-04 15:13:03 C 12 52 05.244 +03 26 18.69 X F51
2024-12-04 15:19:34 C 12 52 06.204 +03 26 15.60 X F51
2025-09-30 13:35:32 C 05 09 00.863 -05 19 48.13 X F52
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)