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70680 (1999 UN4)
Classification: Main-belt Asteroid          SPK-ID: 2070680
[ 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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1498516014360042 4.2692e-08  
a 2.583300091588378 1.0543e-08 au
q 2.196188435874083 1.1103e-07 au
i 14.50886531016656 4.4045e-06 deg
node 23.96361298425361 1.8908e-05 deg
peri 74.28448736350734 2.4259e-05 deg
M 298.1787490666391 1.4792e-05 deg
tp 2459260.932994017535
(2021-Feb-15.43299402)		 6.2619e-05 TDB
period 1516.56390692215
4.15		 9.2843e-06
2.542e-08		 d
yr
n .2373787206439695 1.4532e-09 deg/d
Q 2.970411747302673 1.2123e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1511  
   data-arc span      13888 days (38.02 yr)  
   first obs. used      1982-11-07  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47903  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:54:58  

Additional Information
 Earth MOID = 1.26202 au 
 Jupiter MOID = 2.33443 au 
 T_jup = 3.363 
[ 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 13.8   n/a MPO395645  

70680 (1999 UN4)          Discovered 1999-Oct-31 by Juels, C. W. at Fountain Hills
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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