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102911 (1999 XZ19)
Classification: Main-belt Asteroid          SPK-ID: 2102911
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1937711093958128 4.9161e-08  
a 2.40110751641903 1.117e-08 au
q 1.93584224918389 1.1546e-07 au
i 3.568999147789142 4.5963e-06 deg
node 67.71804701926337 6.0182e-05 deg
peri 306.6965132675094 6.0962e-05 deg
M 201.2292062749672 1.2756e-05 deg
tp 2459599.854751879288
(2022-Jan-20.35475188)
5.0946e-05 TDB
period 1358.988675525683
3.72
9.4827e-06
2.596e-08
d
yr
n .2649028696731008 1.8484e-09 deg/d
Q 2.86637278365417 1.3334e-08 au
  Orbit Determination Parameters
   # obs. used (total)      892  
   data-arc span      8482 days (23.22 yr)  
   first obs. used      1997-03-06  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52498  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:51:53  

Additional Information
 Earth MOID = .939446 au 
 Jupiter MOID = 2.59852 au 
 T_jup = 3.497 
[ 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 15.85   n/a E2021B55  
diameter diameter 4.107 km 0.115 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

102911 (1999 XZ19)          Discovered 1999-Dec-05 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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