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101806 (1999 JX4)
Classification: Inner Main-belt Asteroid          SPK-ID: 2101806
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08675028867246394 4.1881e-08  
a 1.932059855943436 5.9739e-09 au
q 1.764453105707864 8.1714e-08 au
i 19.15162447508646 4.7282e-06 deg
node 236.3499956635291 1.3774e-05 deg
peri 263.0630697271044 3.0976e-05 deg
M 21.79952995433592 2.6528e-05 deg
tp 2458941.101712950829
(2020-Apr-01.60171295)
7.229e-05 TDB
period 980.9102940519293
2.69
4.5494e-06
1.246e-08
d
yr
n .3670060373338702 1.7022e-09 deg/d
Q 2.099666606179008 6.4921e-09 au
  Orbit Determination Parameters
   # obs. used (total)      698  
   data-arc span      7650 days (20.94 yr)  
   first obs. used      1999-05-08  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48129  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 18:02:59  

Additional Information
 Earth MOID = .866536 au 
 Jupiter MOID = 3.03268 au 
 T_jup = 3.840 
[ 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 16.0   n/a MPO395896  

101806 (1999 JX4)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 JX4 = 2000 UD76 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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