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JPL Small-Body Database Browser
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71165 (1999 XJ202)
Classification: Main-belt Asteroid          SPK-ID: 2071165
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09683526912545955 5.2563e-08  
a 3.059041458978873 2.5858e-08 au
q 2.762818356032716 1.5789e-07 au
i 10.46606857078499 6.4044e-06 deg
node 310.1461756285361 2.6727e-05 deg
peri 164.0526001753797 4.0478e-05 deg
M 204.9423250346274 3.2991e-05 deg
tp 2459442.219208587671
(2021-Aug-15.71920859)
0.00018441 TDB
period 1954.233578952037
5.35
2.4778e-05
6.784e-08
d
yr
n .1842154407115709 2.3357e-09 deg/d
Q 3.355264561925031 2.8361e-08 au
  Orbit Determination Parameters
   # obs. used (total)      709  
   data-arc span      8974 days (24.57 yr)  
   first obs. used      1995-02-08  
   last obs. used      2019-09-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5246  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:39:45  

Additional Information
 Earth MOID = 1.78097 au 
 Jupiter MOID = 1.73614 au 
 T_jup = 3.202 
[ 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 14.1   n/a MPO453117  
diameter diameter 4.902 km 0.348 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.088   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71165 (1999 XJ202)          Discovered 1999-Dec-12 by LINEAR at Socorro
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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