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JPL Small-Body Database Browser
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91340 (1999 JZ20)
Classification: Main-belt Asteroid          SPK-ID: 2091340
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1641690484030707 3.1683e-08  
a 2.312132644133087 8.9222e-09 au
q 1.932552028164082 7.4548e-08 au
i 2.981006031515286 4.1185e-06 deg
node 45.78473290000662 7.2652e-05 deg
peri 73.8158709982837 7.3829e-05 deg
M 77.2737144339701 1.4263e-05 deg
tp 2458724.857085773761
(2019-Aug-29.35708577)
5.0203e-05 TDB
period 1284.155289393248
3.52
7.4331e-06
2.035e-08
d
yr
n .2803399269336786 1.6227e-09 deg/d
Q 2.691713260102091 1.0387e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1026  
   data-arc span      8131 days (22.26 yr)  
   first obs. used      1997-10-30  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54146  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:27:52  

Additional Information
 Earth MOID = .951107 au 
 Jupiter MOID = 2.38914 au 
 T_jup = 3.564 
[ 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 15.5   n/a MPO309820  

91340 (1999 JZ20)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 JZ20 = 2001 XX240 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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