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129795 (1999 JP118)
Classification: Main-belt Asteroid          SPK-ID: 2129795
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08668700312917842 4.7816e-08  
a 2.238492200605722 9.4033e-09 au
q 2.044444020207172 1.0622e-07 au
i 5.008152143142706 4.5915e-06 deg
node 89.71313899301732 5.777e-05 deg
peri 101.9583111078034 6.3726e-05 deg
M 140.8000882893635 2.6397e-05 deg
tp 2458522.054767311915
(2019-Feb-07.55476731)
8.9174e-05 TDB
period 1223.296702866643
3.35
7.7081e-06
2.11e-08
d
yr
n .2942867410305162 1.8543e-09 deg/d
Q 2.432540381004272 1.0218e-08 au
  Orbit Determination Parameters
   # obs. used (total)      642  
   data-arc span      7303 days (19.99 yr)  
   first obs. used      1999-05-13  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58195  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:06:57  

Additional Information
 Earth MOID = 1.05063 au 
 Jupiter MOID = 2.5315 au 
 T_jup = 3.626 
[ 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 16.1   n/a MPO270643  

129795 (1999 JP118)          Discovered 1999-May-13 by LINEAR at Socorro
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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