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13651 (1997 BR)
Classification: Apollo [NEO, PHA]          SPK-ID: 2013651
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 81 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3055190309434342 3.1853e-08  
a 1.335334123102007 8.2234e-10 au
q .9273641358261816 4.2504e-08 au
i 17.24774393542151 6.3508e-06 deg
node 116.6799414990271 1.259e-05 deg
peri 133.7879396676226 1.4417e-05 deg
M 19.09801516082385 7.971e-06 deg
tp 2457370.600145116694
(2015-Dec-14.10014512)
1.2462e-05 JED
period 563.6160442510577
1.54
5.2064e-07
1.425e-09
d
yr
n .6387327040669574 5.9003e-10 deg/d
Q 1.743304110377834 1.0736e-09 au
  Orbit Determination Parameters
   # obs. used (total)      647  
   # delay obs. used      0  
   # Doppler obs. used      2  
   data-arc span      12689 days (34.74 yr)  
   first obs. used      1980-02-09  
   last obs. used      2014-11-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57521  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 02:20:36  

Additional Information
 Earth MOID = .0154759 au 
 Jupiter MOID = 3.36112 au 
 T_jup = 4.818 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.6 mag n/a PDS3 (MPC 38357)  
rotation period rot_per 33.644 h n/a LCDB (Rev. 2015-December); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (1998) Icarus 136, 124-153.]
[Pravec, P.; et al. (2005) Icarus 173, 108-131.]
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

13651 (1997 BR)          Discovered 1997-Jan-20 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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