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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 79 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .305622979084911 3.3775e-08  
a 1.335293828745045 8.2597e-10 AU
q .9271973508502874 4.5093e-08 AU
i 17.24871420483804 6.7956e-06 deg
node 116.6813714955821 1.2854e-05 deg
peri 133.7970276803833 1.4429e-05 deg
M 123.5910685748337 7.9076e-06 deg
tp 2456807.014565953513
(2014-May-29.51456595)
1.2274e-05 JED
period 563.5905333609094
1.54
5.2293e-07
1.432e-09
d
yr
n .6387616162627504 5.9267e-10 deg/d
Q 1.743390306639803 1.0784e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      643  
   # delay obs. used      0  
   # Doppler obs. used      2  
   data-arc span      12650 days (34.63 yr)  
   first obs. used      1980-02-09  
   last obs. used      2014-09-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57312  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:25:42  

Additional Information
 Earth MOID = .0131141 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 Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) 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 (327)
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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