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49934 (1999 XU179)
Classification: Main-belt Asteroid          SPK-ID: 2049934
[ 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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1334629915610146 3.6339e-08  
a 2.337641548209647 8.9312e-09 au
q 2.025652913988266 8.3937e-08 au
i 5.63251488149209 3.8236e-06 deg
node 351.4101330272929 4.1875e-05 deg
peri 220.8893800811775 4.4443e-05 deg
M 162.2350636837253 1.584e-05 deg
tp 2458412.188244916644
(2018-Oct-20.68824492)		 5.6096e-05 TDB
period 1305.465212149783
3.57		 7.4815e-06
2.048e-08		 d
yr
n .2757637634841051 1.5804e-09 deg/d
Q 2.649630182431028 1.0123e-08 au
   Orbit Determination Parameters
   # obs. used (total)      850  
   data-arc span      10629 days (29.10 yr)  
   first obs. used      1991-10-11  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51142  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:28:55  

Additional Information
 Earth MOID = 1.02419 au 
 Jupiter MOID = 2.32915 au 
 T_jup = 3.548 
[ 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 15.5   n/a MPO337657  

49934 (1999 XU179)          Discovered 1999-Dec-10 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1999 XU179 = 1998 SX51 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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