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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01448072941105876 4.3365e-08  
a 2.762683491929555 1.7955e-08 au
q 2.722677819834524 1.2429e-07 au
i 7.241285424884873 4.0636e-06 deg
node 74.42012791609898 3.8713e-05 deg
peri 250.8351147736458 0.00017754 deg
M 352.4874126496285 0.00017118 deg
tp 2459035.501137582047
(2020-Jul-05.00113758)
0.00079743 TDB
period 1677.239670153543
4.59
1.6351e-05
4.477e-08
d
yr
n .2146383766173643 2.0925e-09 deg/d
Q 2.802689164024585 1.8215e-08 au
  Orbit Determination Parameters
   # obs. used (total)      426  
   data-arc span      8917 days (24.41 yr)  
   first obs. used      1996-05-12  
   last obs. used      2020-10-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6338  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:51:21  

Additional Information
 Earth MOID = 1.71733 au 
 Jupiter MOID = 2.23344 au 
 T_jup = 3.329 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457727.5 (2016-Dec-05.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01577764705106656 4.4913e-08  
q 2.718726195396119 1.2935e-07 au
tp 2457387.218846524338
(2015-Dec-30.71884652)
0.00071078 TDB
node 74.44063233975061 3.8677e-05 deg
peri 257.0635698168286 0.00015833 deg
i 7.245512699056935 4.067e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      426  
   data-arc span      8917 days (24.41 yr)  
   first obs. used      1996-05-12  
   last obs. used      2020-10-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6338  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:51:21  

Additional Information
 Jupiter MOID = 2.23344 au 
 T_jup = 3.329 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.017152599251496E-15 -5.757911437349113E-15 1.145764485849331E-11 6.338752545874931E-15 2.492471000734227E-12 -4.210578420715415E-15
q -5.757911437349113E-15 1.673089481855735E-14 -3.578288923978517E-11 -1.956166590355356E-14 -7.766670192582098E-12 1.254721489500009E-14
tp 1.145764485849331E-11 -3.578288923978517E-11 5.052053378431736E-7 7.658248669241711E-11 1.091617739051521E-7 -3.67097448766235E-11
node 6.338752545874931E-15 -1.956166590355356E-14 7.658248669241711E-11 1.49594071343787E-9 -1.467245089208193E-9 -2.45079485501437E-11
peri 2.492471000734227E-12 -7.766670192582098E-12 1.091617739051521E-7 -1.467245089208193E-9 2.506931725897754E-8 1.634165201436355E-11
i -4.210578420715415E-15 1.254721489500009E-14 -3.67097448766235E-11 -2.45079485501437E-11 1.634165201436355E-11 1.654039253307392E-11

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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