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
1997-06-14 19:03:45 C 06 49 09.41 +81 15 16.9 19.9 327
1997-06-23 16:59:19 C 04 00 13.81 +76 32 07.7 z 402
1997-06-23 17:04:18 C 04 00 11.27 +76 31 53.1 z 402
1997-06-23 21:06:00 C 03 57 38.39 +76 19 59.8 z 587
1997-06-23 21:10:29 C 03 57 36.03 +76 19 46.3 z 587
1997-06-23 22:24:10 C 03 56 59.36 +76 16 17.5 z 118
1997-06-23 22:27:10 C 03 56 57.75 +76 16 09.1 z 118
1997-06-23 22:30:06 C 03 56 56.26 +76 16 00.6 z 118
1997-06-25 21:39:17 C 03 33 04.54 +73 40 45.1 z 118
1997-06-25 21:43:06 C 03 33 03.06 +73 40 31.5 z 118
1997-06-25 21:45:43 C 03 33 02.02 +73 40 22.0 z 118
1997-06-27 21:15:14 C 03 14 17.12 +70 26 52.4 z 118
1997-06-27 21:17:49 C 03 14 16.33 +70 26 40.8 z 118
1997-06-27 21:21:29 C 03 14 15.24 +70 26 24.8 z 118
1997-06-27 21:24:06 C 03 14 14.56 +70 26 13.1 z 118
1997-07-02 01:00:22 C 02 47 44.85 +61 24 24.4 557
1997-07-02 01:01:59 C 02 47 44.53 +61 24 14.9 557
1997-07-03 00:44:49 C 02 43 16.41 +58 44 32.5 z 118
1997-07-03 00:51:14 C 02 43 15.16 +58 43 50.1 z 118
1997-07-04 17:06:30 C 02 36 52.51 +53 43 37.3 z 897
1997-07-04 17:09:33 C 02 36 52.05 +53 43 12.4 z 897
1997-07-04 18:43:43 C 02 36 38.04 +53 30 40.1 327
1997-07-04 18:49:59 C 02 36 37.19 +53 29 53.1 327
1997-07-04 18:55:17 C 02 36 36.36 +53 29 12.9 327
1997-07-04 19:00:17 C 02 36 35.60 +53 28 34.2 327
1997-07-07 18:58:39 C 02 28 05.85 +42 54 53.1 327
1997-07-07 19:02:08 C 02 28 05.50 +42 54 20.9 16.9 327
1997-07-09 00:40:39 C 02 25 23.67 +38 00 50.8 z 540
1997-07-09 00:42:47 C 02 25 23.56 +38 00 30.0 z 540
1997-07-09 00:44:55 C 02 25 23.28 +38 00 09.0 z 540
1997-07-09 01:21:23 C 02 25 19.87 +37 54 03.6 557
1997-07-09 01:23:45 C 02 25 19.64 +37 53 40.1 557
1997-07-09 01:29:42 C 02 25 19.08 +37 52 40.2 557
1997-07-10 01:24:17 C 02 23 25.43 +33 44 57.4 z 118
1997-07-10 01:27:03 C 02 23 25.23 +33 44 28.3 z 118
1997-07-10 01:28:38 C 02 23 25.05 +33 44 11.8 z 118
1997-07-11 01:18:13 C 02 21 43.87 +29 29 40.4 557
1997-07-11 01:19:22 C 02 21 43.78 +29 29 28.6 557
1997-07-11 01:20:30 C 02 21 43.71 +29 29 16.3 557
1997-07-14 17:41:02 C 02 16 50.58 +13 25 27.2 z 355
1997-07-14 17:43:13 C 02 16 50.41 +13 25 05.1 z 355
1997-07-14 17:45:10 C 02 16 50.29 +13 24 44.0 z 355
1997-07-14 17:47:04 C 02 16 50.21 +13 24 23.7 z 355
1997-07-14 17:50:00 C 02 16 49.98 +13 23 52.3 z 355
1997-07-14 17:53:51 C 02 16 49.76 +13 23 11.9 z 355
1997-07-14 18:29:39 C 02 16 46.73 +13 18 49.3 z 422
1997-07-14 18:30:47 C 02 16 46.64 +13 18 36.9 z 422
1997-07-20 19:29:02 C 02 11 27.20 -09 45 53.7 z 422
1997-07-20 19:29:53 C 02 11 27.18 -09 46 00.7 z 422
1997-07-20 19:30:44 C 02 11 27.13 -09 46 07.3 z 422
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)