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212274 (2005 JK148)
Classification: Main-belt Asteroid          SPK-ID: 2212274
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 .1555679598756006 5.488e-08  
a 2.85269380935548 2.2206e-08 au
q 2.408906053284293 1.5522e-07 au
i 14.01059126792416 5.8586e-06 deg
node 153.5857882725906 2.1656e-05 deg
peri 29.76784682208801 2.7771e-05 deg
M 94.50971387324981 1.6595e-05 deg
tp 2458538.486023258985
(2019-Feb-23.98602326)
7.9789e-05 TDB
period 1759.872343385037
4.82
2.0548e-05
5.626e-08
d
yr
n .2045602917468183 2.3885e-09 deg/d
Q 3.296481565426667 2.566e-08 au
  Orbit Determination Parameters
   # obs. used (total)      317  
   data-arc span      7347 days (20.11 yr)  
   first obs. used      2000-05-04  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54117  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 04:11:15  

Additional Information
 Earth MOID = 1.42317 au 
 Jupiter MOID = 1.69757 au 
 T_jup = 3.243 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457561.5 (2016-Jun-22.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1546936036918747 5.4822e-08  
q 2.410100523100544 1.5454e-07 au
tp 2456777.933103882232
(2014-Apr-30.43310388)
7.7991e-05 TDB
node 153.6804693043046 2.1678e-05 deg
peri 29.20733499452952 2.787e-05 deg
i 14.00266627210773 5.857e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      317  
   data-arc span      7347 days (20.11 yr)  
   first obs. used      2000-05-04  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54117  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 04:11:15  

Additional Information
 Jupiter MOID = 1.69757 au 
 T_jup = 3.243 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.005482456895084E-15 -8.411595076895989E-15 -8.421634672602901E-14 4.546197277740762E-14 -1.493991070123105E-14 -1.098173319152665E-16
q -8.411595076895989E-15 2.388135439832387E-14 2.227978477856252E-13 -1.271424283931899E-13 6.744533472247929E-14 1.188062004776598E-15
tp -8.421634672602901E-14 2.227978477856252E-13 6.082614803234624E-9 -7.110593411748768E-12 1.392874687624276E-9 5.373043521006301E-12
node 4.546197277740762E-14 -1.271424283931899E-13 -7.110593411748768E-12 4.699437928381361E-10 -4.558798463175019E-10 1.22456517119533E-11
peri -1.493991070123105E-14 6.744533472247929E-14 1.392874687624276E-9 -4.558798463175019E-10 7.767446228077171E-10 -1.063881240624293E-11
i -1.098173319152665E-16 1.188062004776598E-15 5.373043521006301E-12 1.22456517119533E-11 -1.063881240624293E-11 3.430483717527486E-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 15.9   n/a MPO475747  

212274 (2005 JK148)          Discovered 2005-May-15 by NEAT at Palomar
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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