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JPL Small-Body Database Browser
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66954 (1999 XV19)
Classification: Main-belt Asteroid          SPK-ID: 2066954
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2034453972054736 6.5644e-08  
a 2.677535437389344 1.899e-08 au
q 2.132803176797937 1.7737e-07 au
i 10.40058225127197 5.8565e-06 deg
node 232.9313378050194 3.7084e-05 deg
peri 123.5954769369258 3.9257e-05 deg
M 271.7732274468946 1.9154e-05 deg
tp 2459392.692387559874
(2021-Jun-27.19238756)
8.8379e-05 TDB
period 1600.299494539146
4.38
1.7025e-05
4.661e-08
d
yr
n .2249578914624808 2.3932e-09 deg/d
Q 3.22226769798075 2.2854e-08 au
  Orbit Determination Parameters
   # obs. used (total)      581  
   data-arc span      11840 days (32.42 yr)  
   first obs. used      1986-11-30  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5843  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:31:30  

Additional Information
 Earth MOID = 1.15016 au 
 Jupiter MOID = 2.34142 au 
 T_jup = 3.325 
[ 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 14.9   n/a MPO337772  
diameter diameter 6.132 km 0.226 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66954 (1999 XV19)          Discovered 1999-Dec-05 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XV19 = 1986 WR8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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