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118467 (1999 XO123)
Classification: Main-belt Asteroid          SPK-ID: 2118467
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2005869059095421 4.8226e-08  
a 3.142582560782894 2.8503e-08 au
q 2.512221648350168 1.5731e-07 au
i 14.46217734110395 6.4057e-06 deg
node 267.2915732694252 2.4756e-05 deg
peri 161.0547798757501 3.3003e-05 deg
M 245.0010974313634 2.3572e-05 deg
tp 2459650.509443483794
(2022-Mar-12.00944348)
0.00013832 TDB
period 2034.831589062357
5.57
2.7684e-05
7.579e-08
d
yr
n .1769188182132983 2.407e-09 deg/d
Q 3.77294347321562 3.422e-08 au
  Orbit Determination Parameters
   # obs. used (total)      685  
   data-arc span      7594 days (20.79 yr)  
   first obs. used      1999-10-14  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55171  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:03:22  

Additional Information
 Earth MOID = 1.53136 au 
 Jupiter MOID = 1.54007 au 
 T_jup = 3.130 
[ 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 MPO348195  
diameter diameter 8.510 km 0.185 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.056   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

118467 (1999 XO123)          Discovered 1999-Dec-07 by CSS at Catalina
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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