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JPL Small-Body Database Browser
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71100 (1999 XV139)
Classification: Main-belt Asteroid          SPK-ID: 2071100
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04922158178469441 5.0887e-08  
a 3.026898493107878 2.2786e-08 au
q 2.877909761375401 1.5629e-07 au
i 10.81799403290966 4.1141e-06 deg
node 108.1666599046995 2.9751e-05 deg
peri 276.6117593873624 5.4404e-05 deg
M 315.9940446645855 4.3923e-05 deg
tp 2458835.627900223032
(2019-Dec-18.12790022)
0.00023427 TDB
period 1923.513384384389
5.27
2.172e-05
5.947e-08
d
yr
n .1871575227511174 2.1133e-09 deg/d
Q 3.175887224840356 2.3907e-08 au
  Orbit Determination Parameters
   # obs. used (total)      933  
   data-arc span      7710 days (21.11 yr)  
   first obs. used      1998-09-21  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5175  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:24:19  

Additional Information
 Earth MOID = 1.90736 au 
 Jupiter MOID = 2.11353 au 
 T_jup = 3.216 
[ 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 14.2   n/a MPO412620  
diameter diameter 5.347 km 0.464 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.155   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71100 (1999 XV139)          Discovered 1999-Dec-02 by Spacewatch at Kitt Peak
Reference: 20031109/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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