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102897 (1999 XA11)
Classification: Main-belt Asteroid          SPK-ID: 2102897
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05433109724592033 3.787e-08  
a 2.696785973615933 1.7721e-08 au
q 2.550266632631971 1.0312e-07 au
i 15.45399601066029 5.9543e-06 deg
node 32.58612368206816 1.5889e-05 deg
peri 228.7165749379752 5.8591e-05 deg
M 61.51999128732544 5.4824e-05 deg
tp 2458924.072075839205
(2020-Mar-15.57207584)
0.00024676 TDB
period 1617.588862019044
4.43
1.5945e-05
4.366e-08
d
yr
n .2225534611747109 2.1937e-09 deg/d
Q 2.843305314599894 1.8684e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1015  
   data-arc span      7676 days (21.02 yr)  
   first obs. used      1999-10-12  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53127  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:51:59  

Additional Information
 Earth MOID = 1.5582 au 
 Jupiter MOID = 2.17931 au 
 T_jup = 3.315 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.33   n/a E2021B55  
diameter diameter 3.263 km 0.292 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.347   0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

102897 (1999 XA11)          Discovered 1999-Dec-05 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 XA11 = 2001 CC34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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