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JPL Small-Body Database Browser
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66993 (1999 XJ107)
Classification: Main-belt Asteroid          SPK-ID: 2066993
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06059202807366925 4.1743e-08  
a 2.709685927096808 1.7168e-08 au
q 2.545500561331331 1.1521e-07 au
i 10.03195616751784 5.2462e-06 deg
node 36.86428268815104 2.4649e-05 deg
peri 285.8038093302567 5.1222e-05 deg
M 292.6216219567897 4.804e-05 deg
tp 2459305.426319699601
(2021-Mar-31.92631970)
0.00021831 TDB
period 1629.209225271904
4.46
1.5483e-05
4.239e-08
d
yr
n .2209660947260585 2.1e-09 deg/d
Q 2.873871292862284 1.8208e-08 au
  Orbit Determination Parameters
   # obs. used (total)      815  
   data-arc span      7420 days (20.31 yr)  
   first obs. used      1999-10-01  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57228  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 15:07:23  

Additional Information
 Earth MOID = 1.55687 au 
 Jupiter MOID = 2.31628 au 
 T_jup = 3.339 
[ 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 14.9   n/a MPO337772  
diameter diameter 3.101 km 0.569 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.201   0.115 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66993 (1999 XJ107)          Discovered 1999-Dec-04 by CSS at Catalina
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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