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39836 (1998 BJ17)
Classification: Main-belt Asteroid          SPK-ID: 2039836
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03890978120680699 3.8593e-08  
a 2.444311285449644 1.2768e-08 au
q 2.349203668131469 9.4261e-08 au
i 5.256459528102715 3.2285e-06 deg
node 129.1882466862897 4.6587e-05 deg
peri 109.6058070230716 6.6192e-05 deg
M 214.1523761041097 4.9279e-05 deg
tp 2459565.996672267365
(2021-Dec-17.49667227)
0.00019334 TDB
period 1395.832147128918
3.82
1.0937e-05
2.994e-08
d
yr
n .257910666938344 2.0208e-09 deg/d
Q 2.53941890276782 1.3265e-08 au
  Orbit Determination Parameters
   # obs. used (total)      840  
   data-arc span      9512 days (26.04 yr)  
   first obs. used      1994-01-10  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55583  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:37:00  

Additional Information
 Earth MOID = 1.34239 au 
 Jupiter MOID = 2.44892 au 
 T_jup = 3.493 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO417092  
diameter diameter 2.066 km 0.210 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.198   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39836 (1998 BJ17)          Discovered 1998-Jan-22 by Spacewatch at Kitt Peak
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 BJ17 = 2000 VE49 = 2002 CL106 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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