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19273 (1995 XJ)
Classification: Main-belt Asteroid          SPK-ID: 2019273
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1377945773422983 3.707e-08  
a 2.803011195584903 1.3449e-08 au
q 2.41677145260355 1.06e-07 au
i 10.40073362960808 3.9427e-06 deg
node 81.44332846951065 2.8146e-05 deg
peri 346.0093488235384 3.3676e-05 deg
M 88.12569336905223 1.8199e-05 deg
tp 2458580.899766003682
(2019-Apr-07.39976600)
8.5874e-05 TDB
period 1714.098107643622
4.69
1.2336e-05
3.377e-08
d
yr
n .2100229843289972 1.5115e-09 deg/d
Q 3.189250938566255 1.5302e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1271  
   data-arc span      10678 days (29.23 yr)  
   first obs. used      1990-11-11  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51714  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:44:42  

Additional Information
 Earth MOID = 1.43247 au 
 Jupiter MOID = 2.10225 au 
 T_jup = 3.286 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456824.5 (2014-Jun-16.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1358127628112155 3.6913e-08  
q 2.422683575536281 1.0521e-07 au
tp 2456869.004500517038
(2014-Jul-30.50450052)
8.5431e-05 TDB
node 81.55606275005269 2.8123e-05 deg
peri 346.5674893829772 3.3816e-05 deg
i 10.4033636066816 3.9423e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1271  
   data-arc span      10678 days (29.23 yr)  
   first obs. used      1990-11-11  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51714  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:44:42  

Additional Information
 Jupiter MOID = 2.10225 au 
 T_jup = 3.286 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.362596029461906E-15 -3.86048269093062E-15 -9.496811042420391E-13 8.807355389317978E-15 -2.298300360144764E-13 -1.468924178866831E-15
q -3.86048269093062E-15 1.106916019062469E-14 2.727465682286019E-12 -2.764570340034992E-14 6.586505606135886E-13 4.543653134680566E-15
tp -9.496811042420391E-13 2.727465682286019E-12 7.29845913161729E-9 -4.58677295892025E-13 1.641998181131516E-9 3.689035849587757E-12
node 8.807355389317978E-15 -2.764570340034992E-14 -4.58677295892025E-13 7.909247243615307E-10 -7.77659739655038E-10 -2.232099184062333E-11
peri -2.298300360144764E-13 6.586505606135886E-13 1.641998181131516E-9 -7.77659739655038E-10 1.143547417728718E-9 2.282218712514769E-11
i -1.468924178866831E-15 4.543653134680566E-15 3.689035849587757E-12 -2.232099184062333E-11 2.282218712514769E-11 1.554168903421819E-11

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 14.2   n/a MPO452443  
diameter diameter 3.890 km 0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.293   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19273 (1995 XJ)          Discovered 1995-Dec-10 by Klet at Klet
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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