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JPL Small-Body Database Browser
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523838 (1995 BQ13)
Classification: Main-belt Asteroid          SPK-ID: 2523838
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06816458338808649 1.279e-07  
a 2.89777331865314 4.0569e-08 au
q 2.700247807634036 3.6822e-07 au
i 2.103679939963137 7.9114e-06 deg
node 73.13000105052853 0.00029477 deg
peri 98.9671135555337 0.00030134 deg
M 296.8460968741133 6.5961e-05 deg
tp 2458916.576885034940
(2020-Mar-08.07688503)
0.00033358 TDB
period 1801.75211634603
4.93
3.7837e-05
1.036e-07
d
yr
n .1998055097224381 4.196e-09 deg/d
Q 3.095298829672244 4.3335e-08 au
  Orbit Determination Parameters
   # obs. used (total)      85  
   data-arc span      8719 days (23.87 yr)  
   first obs. used      1995-01-31  
   last obs. used      2018-12-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .71064  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:46:36  

Additional Information
 Earth MOID = 1.70687 au 
 Jupiter MOID = 1.86873 au 
 T_jup = 3.284 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO441645  

523838 (1995 BQ13)          Discovered 1995-Jan-31 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-05-29

[ show close-approach data ]
Alternate Designations
 1995 BQ13 = 2008 WD21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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