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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .203368697386084 5.1563e-08  
a 2.67881156466467 1.7224e-08 au
q 2.134025146216039 1.4518e-07 au
i 10.39606394322248 5.2623e-06 deg
node 232.910306092785 2.507e-05 deg
peri 123.4649915672146 2.8817e-05 deg
M 316.8803481422225 1.8404e-05 deg
tp 2459392.315818616231
(2021-Jun-26.81581862)
8.3271e-05 TDB
period 1601.443697402859
4.38
1.5445e-05
4.229e-08
d
yr
n .2247971630746868 2.168e-09 deg/d
Q 3.223597983113302 2.0727e-08 au
  Orbit Determination Parameters
   # obs. used (total)      707  
   data-arc span      12316 days (33.72 yr)  
   first obs. used      1986-11-30  
   last obs. used      2020-08-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56415  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:26:13  

Additional Information
 Earth MOID = 1.14983 au 
 Jupiter MOID = 2.34133 au 
 T_jup = 3.324 
[ 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 14.97   n/a E2021B10  
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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