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JPL Small-Body Database Browser
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71174 (1999 XO210)
Classification: Main-belt Asteroid          SPK-ID: 2071174
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07183290101690733 4.8015e-08  
a 2.918003747701397 2.3089e-08 au
q 2.708395073325798 1.4443e-07 au
i 15.61291712696603 5.6569e-06 deg
node 50.94773983680638 2.2243e-05 deg
peri 6.424979742703845 5.2712e-05 deg
M 66.63134402058765 4.6605e-05 deg
tp 2458663.520666002375
(2019-Jun-29.02066600)
0.00023531 TDB
period 1820.653057841096
4.98
2.1609e-05
5.916e-08
d
yr
n .1977312472849071 2.3469e-09 deg/d
Q 3.127612422076997 2.4748e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1060  
   data-arc span      7769 days (21.27 yr)  
   first obs. used      1998-09-28  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49329  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 11:24:57  

Additional Information
 Earth MOID = 1.72035 au 
 Jupiter MOID = 2.25141 au 
 T_jup = 3.222 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.7   n/a MPO459320  
diameter diameter 5.596 km 0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.270   0.064 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71174 (1999 XO210)          Discovered 1999-Dec-13 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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