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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .107754489241167 6.6657e-08  
a 3.25353390507665 2.9437e-08 au
q 2.902951020906296 2.1552e-07 au
i 17.58552554831668 7.4196e-06 deg
node 56.23140947589469 2.3394e-05 deg
peri 106.4481203260108 4.1835e-05 deg
M 83.78498088334258 3.2622e-05 deg
tp 2458501.621133992264
(2019-Jan-18.12113399)
0.00019466 TDB
period 2143.539210360919
5.87
2.9091e-05
7.965e-08
d
yr
n .1679465429229937 2.2793e-09 deg/d
Q 3.604116789247004 3.2609e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59675  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:11:25  

Additional Information
 Earth MOID = 1.96704 au 
 Jupiter MOID = 1.56803 au 
 T_jup = 3.098 
[ 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 MPO475040  
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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