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
2025-12-26 05:57:45 C 03 23 40.452 -05 08 26.78 X F51
2025-12-26 06:16:25 C 03 23 39.767 -05 08 13.49 X F51
2026-01-07 06:28:04 C 03 17 21.499 -01 34 38.98 X F52
2026-01-07 06:46:51 C 03 17 21.279 -01 34 24.69 X F52
2026-01-07 07:05:40 C 03 17 21.054 -01 34 10.48 X F52
2026-01-07 07:24:20 C 03 17 20.827 -01 33 56.27 X F52
2026-01-08 00:44:28 C 03 17 11.66 -01 20 42.9 W94
2026-01-08 00:53:28 C 03 17 11.61 -01 20 36.7 W94
2026-01-08 01:02:25 C 03 17 11.56 -01 20 29.6 W94
2026-01-13 05:38:57 C 03 16 47.960 +00 13 52.62 X F52
2026-01-13 05:54:59 C 03 16 47.954 +00 14 04.79 X F52
2026-01-13 06:11:09 C 03 16 47.954 +00 14 17.06 X F52
2026-01-13 06:27:13 C 03 16 47.946 +00 14 29.18 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)