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129168 (2005 JR27)
Classification: Main-belt Asteroid          SPK-ID: 2129168
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01448073463041224 4.4474e-08  
a 2.762683487886048 2.0573e-08 au
q 2.722677801430149 1.2972e-07 au
i 7.24129093589894 5.4058e-06 deg
node 74.42011508490029 3.9601e-05 deg
peri 250.8350912487693 0.00020409 deg
M 352.4874502972569 0.00020009 deg
tp 2459035.500962104938
(2020-Jul-05.00096211)
0.00093225 TDB
period 1677.239666471292
4.59
1.8735e-05
5.129e-08
d
yr
n .2146383770885864 2.3976e-09 deg/d
Q 2.802689174341948 2.0871e-08 au
  Orbit Determination Parameters
   # obs. used (total)      368  
   data-arc span      8845 days (24.22 yr)  
   first obs. used      1996-05-12  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65652  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:39:58  

Additional Information
 Earth MOID = 1.71733 au 
 Jupiter MOID = 2.23344 au 
 T_jup = 3.329 
[ 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 15.6   n/a MPO436625  

129168 (2005 JR27)          Discovered 2005-May-03 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 2005 JR27 = 1996 JW14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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