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JPL Small-Body Database Browser
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212266 (2005 JF128)
Classification: Main-belt Asteroid          SPK-ID: 2212266
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2775993978428865 4.3215e-08  
a 2.568635259448823 2.0236e-08 au
q 1.855583658147823 1.0796e-07 au
i 6.448867420258198 3.6806e-06 deg
node 118.3143980499644 5.4935e-05 deg
peri 215.7065726897876 5.6408e-05 deg
M 79.70998711856831 1.3202e-05 deg
tp 2458267.562798523346
(2018-May-29.06279852)
5.5064e-05 TDB
period 1503.668446882423
4.12
1.7769e-05
4.865e-08
d
yr
n .2394144804636907 2.8292e-09 deg/d
Q 3.281686860749823 2.5854e-08 au
  Orbit Determination Parameters
   # obs. used (total)      582  
   data-arc span      8807 days (24.11 yr)  
   first obs. used      1994-12-08  
   last obs. used      2019-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5418  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 03:25:05  

Additional Information
 Earth MOID = .848779 au 
 Jupiter MOID = 2.10466 au 
 T_jup = 3.367 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457087.5 (2015-Mar-06.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2797730698305468 4.3426e-08  
q 1.848337474583361 1.0847e-07 au
tp 2456761.694078643757
(2014-Apr-14.19407864)
5.6696e-05 TDB
node 118.5065091455194 5.4745e-05 deg
peri 215.0582520458971 5.6185e-05 deg
i 6.461616785311143 3.6881e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      582  
   data-arc span      8807 days (24.11 yr)  
   first obs. used      1994-12-08  
   last obs. used      2019-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5418  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 03:25:05  

Additional Information
 Jupiter MOID = 2.10466 au 
 T_jup = 3.367 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.885804754155866E-15 -4.672437481283834E-15 1.221476706562575E-12 -2.321409829931281E-14 2.86774600091358E-13 -2.793961745888306E-15
q -4.672437481283834E-15 1.176660571653665E-14 -3.389445775525067E-12 5.835241463232409E-14 -7.815749181105562E-13 7.592364568154313E-15
tp 1.221476706562575E-12 -3.389445775525067E-12 3.214391842710515E-9 -4.403700951335843E-11 7.759569486441656E-10 -5.497535057124753E-12
node -2.321409829931281E-14 5.835241463232409E-14 -4.403700951335843E-11 2.997039364648083E-9 -2.987715040465988E-9 -4.197299671331516E-11
peri 2.86774600091358E-13 -7.815749181105562E-13 7.759569486441656E-10 -2.987715040465988E-9 3.15678606331832E-9 4.045071194804528E-11
i -2.793961745888306E-15 7.592364568154313E-15 -5.497535057124753E-12 -4.197299671331516E-11 4.045071194804528E-11 1.36019114989576E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO454524  

212266 (2005 JF128)          Discovered 2005-May-12 by LINEAR at Socorro
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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