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JPL Small-Body Database Browser
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91353 (1999 JX55)
Classification: Main-belt Asteroid          SPK-ID: 2091353
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1372837739189511 3.1633e-08  
a 2.417598986037711 9.4997e-09 au
q 2.085701873411824 7.9292e-08 au
i 8.476101195283151 4.1969e-06 deg
node 212.6679301748311 2.5797e-05 deg
peri 223.1759491925631 3.0749e-05 deg
M 5.279028320926296 1.7151e-05 deg
tp 2458980.366173803395
(2020-May-10.86617380)
6.5385e-05 TDB
period 1373.013552900592
3.76
8.0927e-06
2.216e-08
d
yr
n .26219697485103 1.5454e-09 deg/d
Q 2.749496098663597 1.0804e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1337  
   data-arc span      7547 days (20.66 yr)  
   first obs. used      1999-05-10  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5006  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 14:02:23  

Additional Information
 Earth MOID = 1.10889 au 
 Jupiter MOID = 2.5438 au 
 T_jup = 3.488 
[ 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 14.7   n/a MPO449561  
diameter diameter 2.937 km 0.618 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.325   0.103 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91353 (1999 JX55)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 JX55 = 2000 QY33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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