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JPL Small-Body Database Browser
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56255 (1999 JV81)
Classification: Main-belt Asteroid          SPK-ID: 2056255
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1878996661044255 3.8524e-08  
a 2.801626150548335 1.6862e-08 au
q 2.275201532310876 1.0634e-07 au
i 9.531440631762047 4.3488e-06 deg
node 81.45198510282412 2.5513e-05 deg
peri 182.3186166044235 2.7988e-05 deg
M 58.06935298296907 1.2009e-05 deg
tp 2458324.214440181137
(2018-Jul-24.71444018)
5.699e-05 TDB
period 1712.827789969721
4.69
1.5464e-05
4.234e-08
d
yr
n .2101787477457754 1.8975e-09 deg/d
Q 3.328050768785794 2.0031e-08 au
  Orbit Determination Parameters
   # obs. used (total)      923  
   data-arc span      7554 days (20.68 yr)  
   first obs. used      1999-03-24  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5352  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 04:42:01  

Additional Information
 Earth MOID = 1.25919 au 
 Jupiter MOID = 1.75636 au 
 T_jup = 3.279 
[ 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 14.6   n/a MPO439467  

56255 (1999 JV81)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JV81 = 2000 TH19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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