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JPL Small-Body Database Browser
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71170 (1999 XE206)
Classification: Main-belt Asteroid          SPK-ID: 2071170
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07583453667908474 4.5048e-08  
a 3.063247472919139 3.049e-08 au
q 2.830947520076939 1.3927e-07 au
i 11.24389522304053 7.2372e-06 deg
node 53.2509389954176 2.7366e-05 deg
peri 77.20741379045762 6.2027e-05 deg
M 199.3956429994458 5.2622e-05 deg
tp 2459474.127658248693
(2021-Sep-16.62765825)
0.0002867 TDB
period 1958.26540975127
5.36
2.9238e-05
8.005e-08
d
yr
n .1838361634778227 2.7448e-09 deg/d
Q 3.295547425761339 3.2803e-08 au
  Orbit Determination Parameters
   # obs. used (total)      698  
   data-arc span      7209 days (19.74 yr)  
   first obs. used      1998-09-20  
   last obs. used      2018-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5734  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 02:13:41  

Additional Information
 Earth MOID = 1.87347 au 
 Jupiter MOID = 1.8377 au 
 T_jup = 3.199 
[ 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 MPO366066  
diameter diameter 5.235 km 0.364 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.178   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71170 (1999 XE206)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XE206 = 1998 SD65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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