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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04958441890875258 5.0501e-08  
a 3.027969401348304 2.2024e-08 au
q 2.877829298108965 1.5573e-07 au
i 10.81802260111543 3.8665e-06 deg
node 108.1643512521463 2.9696e-05 deg
peri 276.6714429498938 5.3634e-05 deg
M 30.79005297667291 4.2541e-05 deg
tp 2458835.898576978034
(2019-Dec-18.39857698)
0.0002278 TDB
period 1924.534275170023
5.27
2.0997e-05
5.749e-08
d
yr
n .1870582429446188 2.0409e-09 deg/d
Q 3.178109504587643 2.3116e-08 au
  Orbit Determination Parameters
   # obs. used (total)      983  
   data-arc span      7797 days (21.35 yr)  
   first obs. used      1998-09-21  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50808  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:20:57  

Additional Information
 Earth MOID = 1.90803 au 
 Jupiter MOID = 2.11148 au 
 T_jup = 3.215 
[ 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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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