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JPL Small-Body Database Browser
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71172 (1999 XK206)
Classification: Main-belt Asteroid          SPK-ID: 2071172
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04086836588570836 4.5716e-08  
a 3.100232676890197 2.9865e-08 au
q 2.97353123352022 1.4122e-07 au
i 11.17158721001034 8.0732e-06 deg
node 34.43368525571154 3.2293e-05 deg
peri 37.61398851307844 0.0001164 deg
M 231.057354440211 0.00011172 deg
tp 2459314.640949860141
(2021-Apr-10.14094986)
0.00061984 TDB
period 1993.837964418383
5.46
2.881e-05
7.888e-08
d
yr
n .1805562971638042 2.6089e-09 deg/d
Q 3.226934120260174 3.1085e-08 au
  Orbit Determination Parameters
   # obs. used (total)      703  
   data-arc span      7207 days (19.73 yr)  
   first obs. used      1998-09-18  
   last obs. used      2018-06-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58583  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 02:13:41  

Additional Information
 Earth MOID = 1.99339 au 
 Jupiter MOID = 1.93182 au 
 T_jup = 3.192 
[ 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 14.0   n/a MPO449449  
diameter diameter 8.579 km 0.249 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71172 (1999 XK206)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XK206 = 1998 SL145 = 1998 UF39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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