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JPL Small-Body Database Browser
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71195 (1999 XO231)
Classification: Main-belt Asteroid          SPK-ID: 2071195
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1544163099095703 4.4089e-08  
a 3.148382010278345 1.8763e-08 au
q 2.662220478065488 1.373e-07 au
i 13.0882969856013 4.7096e-06 deg
node 69.89532614864822 1.9086e-05 deg
peri 169.6215021796522 2.3397e-05 deg
M 56.48146618669268 1.3887e-05 deg
tp 2458280.365100515247
(2018-Jun-10.86510052)
7.8421e-05 TDB
period 2040.466928276451
5.59
1.824e-05
4.994e-08
d
yr
n .176430205758878 1.5772e-09 deg/d
Q 3.634543542491202 2.166e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1577  
   data-arc span      7681 days (21.03 yr)  
   first obs. used      1998-10-20  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5184  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:25:22  

Additional Information
 Earth MOID = 1.65055 au 
 Jupiter MOID = 1.39417 au 
 T_jup = 3.150 
[ 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 13.1   n/a MPO351344  
diameter diameter 7.291 km 0.743 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.210   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71195 (1999 XO231)          Discovered 1999-Dec-08 by CSS at Catalina
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XO231 = 1998 WG32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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