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58687 (1998 BJ3)
Classification: Main-belt Asteroid          SPK-ID: 2058687
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2279687961959961 2.6744e-08  
a 2.332941655989677 7.7367e-09 au
q 1.801103755078217 6.4596e-08 au
i 2.744041686669908 3.1955e-06 deg
node 301.8530403330969 9.8109e-05 deg
peri 340.6621118220665 9.8674e-05 deg
M 317.0109711292956 1.0745e-05 deg
tp 2459155.920884851163
(2020-Nov-02.42088485)
3.891e-05 TDB
period 1301.530181449333
3.56
6.4744e-06
1.773e-08
d
yr
n .276597504330724 1.3759e-09 deg/d
Q 2.864779556901138 9.5004e-09 au
  Orbit Determination Parameters
   # obs. used (total)      965  
   data-arc span      10718 days (29.34 yr)  
   first obs. used      1991-02-19  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53074  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:50:01  

Additional Information
 Earth MOID = .784928 au 
 Jupiter MOID = 2.29333 au 
 T_jup = 3.533 
[ 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 15.89   n/a E2021B10  
diameter diameter 1.495 km 0.187 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.455   0.139 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58687 (1998 BJ3)          Discovered 1998-Jan-18 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 BJ3 = 1999 NL27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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