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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2779030177508655 4.2599e-08  
a 2.568253417230346 1.9607e-08 au
q 1.854528042233061 1.0559e-07 au
i 6.449716124842319 3.6443e-06 deg
node 118.3144421353363 4.9758e-05 deg
peri 215.7084791313555 5.1014e-05 deg
M 175.4568250199439 1.2574e-05 deg
tp 2458267.805377042937
(2018-May-29.30537704)
5.1116e-05 TDB
period 1503.333166062707
4.12
1.7216e-05
4.713e-08
d
yr
n .2394678758686973 2.7423e-09 deg/d
Q 3.281978792227632 2.5056e-08 au
  Orbit Determination Parameters
   # obs. used (total)      606  
   data-arc span      9187 days (25.15 yr)  
   first obs. used      1994-12-08  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54064  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 02:43:27  

Additional Information
 Earth MOID = .848625 au 
 Jupiter MOID = 2.10777 au 
 T_jup = 3.367 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457209.5 (2015-Jul-06.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2796671941304072 4.2842e-08  
q 1.848869112419095 1.062e-07 au
tp 2456761.707416314831
(2014-Apr-14.20741631)
5.1318e-05 TDB
node 118.5071662221513 4.9591e-05 deg
peri 215.0862219717656 5.0825e-05 deg
i 6.461391481336958 3.6516e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      606  
   data-arc span      9187 days (25.15 yr)  
   first obs. used      1994-12-08  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54064  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 02:43:27  

Additional Information
 Jupiter MOID = 2.10777 au 
 T_jup = 3.367 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.835468718985313E-15 -4.515248015251364E-15 1.051824559077739E-12 -1.723235352210894E-14 2.384667724247581E-13 -2.589833428077037E-15
q -4.515248015251364E-15 1.127853537208711E-14 -2.863297913228003E-12 4.262587810744484E-14 -6.343810645228865E-13 6.90397651948475E-15
tp 1.051824559077739E-12 -2.863297913228003E-12 2.633538168476385E-9 -3.066830294767474E-11 6.173608308643239E-10 -4.65320747428222E-12
node -1.723235352210894E-14 4.262587810744484E-14 -3.066830294767474E-11 2.459267407632976E-9 -2.450184355859642E-9 -3.018787320127274E-11
peri 2.384667724247581E-13 -6.343810645228865E-13 6.173608308643239E-10 -2.450184355859642E-9 2.583180970696307E-9 2.895549752085985E-11
i -2.589833428077037E-15 6.90397651948475E-15 -4.65320747428222E-12 -3.018787320127274E-11 2.895549752085985E-11 1.333432331512743E-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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