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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1377945832016151 3.4892e-08  
a 2.803011193589334 1.2795e-08 au
q 2.41677143445923 9.869e-08 au
i 10.40073293415174 3.7063e-06 deg
node 81.44333074520623 2.7707e-05 deg
peri 346.0093457113022 3.3231e-05 deg
M 88.12569497132526 1.7962e-05 deg
tp 2458580.899758822739
(2019-Apr-07.39975882)
8.4881e-05 TDB
period 1714.098105813126
4.69
1.1736e-05
3.213e-08
d
yr
n .210022984553282 1.438e-09 deg/d
Q 3.189250952719438 1.4558e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1412  
   data-arc span      10762 days (29.46 yr)  
   first obs. used      1990-11-11  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49886  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:59:12  

Additional Information
 Earth MOID = 1.43247 au 
 Jupiter MOID = 2.10225 au 
 T_jup = 3.286 
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Orbital Elements at Epoch 2456979.5 (2014-Nov-18.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1360719071563669 3.4714e-08  
q 2.42269766808731 9.7863e-08 au
tp 2456869.127943870528
(2014-Jul-30.62794387)
8.4764e-05 TDB
node 81.55592532035962 2.7688e-05 deg
peri 346.6006785411595 3.3355e-05 deg
i 10.4021851350094 3.7057e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1412  
   data-arc span      10762 days (29.46 yr)  
   first obs. used      1990-11-11  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49886  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:59:12  

Additional Information
 Jupiter MOID = 2.10225 au 
 T_jup = 3.286 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.205079514931227E-15 -3.375704575474248E-15 -8.333223944601462E-13 6.602569954540736E-15 -2.106009867206567E-13 -1.032636498095934E-15
q -3.375704575474248E-15 9.577187281668206E-15 2.359931056742204E-12 -1.989742901131782E-14 5.96685204117611E-13 3.170609565179384E-15
tp -8.333223944601462E-13 2.359931056742204E-12 7.184864436848839E-9 9.064149725219319E-12 1.613539973153283E-9 1.301619364258985E-12
node 6.602569954540736E-15 -1.989742901131782E-14 9.064149725219319E-12 7.666063064922804E-10 -7.51661525437737E-10 -1.58546991440035E-11
peri -2.106009867206567E-13 5.96685204117611E-13 1.613539973153283E-9 -7.51661525437737E-10 1.112537683936957E-9 1.592405068663699E-11
i -1.032636498095934E-15 3.170609565179384E-15 1.301619364258985E-12 -1.58546991440035E-11 1.592405068663699E-11 1.373207303521997E-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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