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103164 (1999 XX226)
Classification: Main-belt Asteroid          SPK-ID: 2103164
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08688251699452039 4.1969e-08  
a 2.26404575232519 9.2352e-09 au
q 2.067339758772425 9.7729e-08 au
i 5.686857326501547 3.915e-06 deg
node 94.70002960250902 4.7362e-05 deg
peri 55.43520063878268 5.4326e-05 deg
M 18.4761783328927 2.8594e-05 deg
tp 2459136.638977203373
(2020-Oct-14.13897720)
9.8665e-05 TDB
period 1244.30322075086
3.41
7.6134e-06
2.084e-08
d
yr
n .2893185471164836 1.7702e-09 deg/d
Q 2.460751745877955 1.0038e-08 au
  Orbit Determination Parameters
   # obs. used (total)      824  
   data-arc span      7686 days (21.04 yr)  
   first obs. used      1999-11-17  
   last obs. used      2020-12-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51438  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:33:30  

Additional Information
 Earth MOID = 1.0848 au 
 Jupiter MOID = 2.53762 au 
 T_jup = 3.606 
[ 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 15.72   n/a E2021B55  
diameter diameter 2.057 km 0.480 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.240   0.103 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

103164 (1999 XX226)          Discovered 1999-Dec-15 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 XX226 = 2002 TB227 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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