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103005 (1999 XN99)
Classification: Main-belt Asteroid          SPK-ID: 2103005
[ 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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1923283790546526 3.6937e-08  
a 2.181808594164115 5.4938e-09 au
q 1.762184883841021 8.1541e-08 au
i 2.851332059060572 3.05e-06 deg
node 279.5441686172346 8.4234e-05 deg
peri 107.3144400531297 8.4775e-05 deg
M 167.6726483275443 8.5391e-06 deg
tp 2458452.244342143061
(2018-Nov-29.74434214)		 2.7414e-05 TDB
period 1177.127210652371
3.22		 4.446e-06
1.217e-08		 d
yr
n .305829307777607 1.1551e-09 deg/d
Q 2.60143230448721 6.5504e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1055  
   data-arc span      8515 days (23.31 yr)  
   first obs. used      1997-01-02  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48535  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:51:15  

Additional Information
 Earth MOID = .76924 au 
 Jupiter MOID = 2.85466 au 
 T_jup = 3.654 
[ 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 15.98   n/a E2021B55  

103005 (1999 XN99)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1999 XN99 = 1997 AT19 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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