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JPL Small-Body Database Browser
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172941 (2005 JU66)
Classification: Main-belt Asteroid          SPK-ID: 2172941
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1544296972715941 5.0576e-08  
a 2.320698142529462 1.0083e-08 au
q 1.962313430919886 1.1766e-07 au
i 2.819857645924381 7.3533e-06 deg
node 20.10158931829977 7.7862e-05 deg
peri 142.7353196560357 8.0908e-05 deg
M 143.6977888337337 2.0188e-05 deg
tp 2458485.064895512890
(2019-Jan-01.56489551)
7.2434e-05 TDB
period 1291.297793246207
3.54
8.4154e-06
2.304e-08
d
yr
n .2787892939048492 1.8169e-09 deg/d
Q 2.679082854139037 1.164e-08 au
  Orbit Determination Parameters
   # obs. used (total)      305  
   data-arc span      6723 days (18.41 yr)  
   first obs. used      2001-02-01  
   last obs. used      2019-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53648  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:56:16  

Additional Information
 Earth MOID = .970999 au 
 Jupiter MOID = 2.29633 au 
 T_jup = 3.560 
[ 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 17.3   n/a MPO427054  

172941 (2005 JU66)          Discovered 2005-May-04 by NEAT at Palomar
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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