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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1691255206944554 4.3193e-08  
a 2.9845730070182 1.5888e-08 au
q 2.479805543155631 1.295e-07 au
i 9.387910122799203 4.9838e-06 deg
node 128.9200973700217 3.3496e-05 deg
peri 332.2362564165721 3.8214e-05 deg
M 154.52893828284 1.6997e-05 deg
tp 2458192.094876956923
(2018-Mar-14.59487696)
8.7226e-05 TDB
period 1883.309673446616
5.16
1.5038e-05
4.117e-08
d
yr
n .1911528438874152 1.5264e-09 deg/d
Q 3.48934047088077 1.8575e-08 au
  Orbit Determination Parameters
   # obs. used (total)      967  
   data-arc span      10174 days (27.85 yr)  
   first obs. used      1991-09-11  
   last obs. used      2019-07-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51687  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:32:42  

Additional Information
 Earth MOID = 1.50096 au 
 Jupiter MOID = 1.67199 au 
 T_jup = 3.216 
[ 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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