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118466 (1999 XK110)
Classification: Outer Main-belt Asteroid          SPK-ID: 2118466
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1076435194308558 6.6898e-08  
a 3.257059175077945 2.9403e-08 au
q 2.906457862477994 2.162e-07 au
i 17.56646982928945 7.417e-06 deg
node 56.17556578673373 2.3416e-05 deg
peri 107.0915239273529 4.175e-05 deg
M 116.7288844832258 3.2562e-05 deg
tp 2458504.334118869834
(2019-Jan-20.83411887)
0.00019475 TDB
period 2147.024006237927
5.88
2.9073e-05
7.96e-08
d
yr
n .1676739519232492 2.2705e-09 deg/d
Q 3.607660487677895 3.2568e-08 au
  Orbit Determination Parameters
   # obs. used (total)      615  
   data-arc span      7582 days (20.76 yr)  
   first obs. used      1999-10-08  
   last obs. used      2020-07-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59677  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:57:24  

Additional Information
 Earth MOID = 1.96912 au 
 Jupiter MOID = 1.56029 au 
 T_jup = 3.097 
[ 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 14.15   n/a E2021B55  
diameter diameter 8.906 km 0.419 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118466 (1999 XK110)          Discovered 1999-Dec-04 by CSS at Catalina
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 1999 XK110 = 1999 WL26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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