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JPL Small-Body Database Browser
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52660 (1998 BJ8)
Classification: Main-belt Asteroid          SPK-ID: 2052660
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .170196485600223 4.5437e-08  
a 2.980753964769743 1.6958e-08 au
q 2.473440115527002 1.3701e-07 au
i 9.385469883293291 5.2466e-06 deg
node 128.9576583701464 3.3976e-05 deg
peri 331.8744151714369 3.8718e-05 deg
M 78.29017621513346 1.6832e-05 deg
tp 2458191.717408924919
(2018-Mar-14.21740892)
8.7313e-05 TDB
period 1879.696021920344
5.15
1.6041e-05
4.392e-08
d
yr
n .1915203287136901 1.6344e-09 deg/d
Q 3.488067814012484 1.9844e-08 au
  Orbit Determination Parameters
   # obs. used (total)      941  
   data-arc span      10104 days (27.66 yr)  
   first obs. used      1991-09-11  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50692  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:47:32  

Additional Information
 Earth MOID = 1.49487 au 
 Jupiter MOID = 1.67625 au 
 T_jup = 3.217 
[ 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 14.4   n/a MPO474411  
diameter diameter 7.703 km 0.309 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52660 (1998 BJ8)          Discovered 1998-Jan-25 by Kobayashi, T. at Oizumi
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

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