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344654 (2003 SK7)
Classification: Main-belt Asteroid          SPK-ID: 2344654
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1318528744289123 1.093e-07  
a 2.6570212673698 2.928e-08 au
q 2.30668537584834 2.9927e-07 au
i 5.757948816351504 1.105e-05 deg
node 320.189740825768 9.1818e-05 deg
peri 1.218229934823619 9.8786e-05 deg
M 327.204294708584 3.6366e-05 deg
tp 2459144.613759281931
(2020-Oct-22.11375928)
0.00016034 TDB
period 1581.943516094308
4.33
2.615e-05
7.159e-08
d
yr
n .2275681756886056 3.7617e-09 deg/d
Q 3.00735715889126 3.3141e-08 au
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      5706 days (15.62 yr)  
   first obs. used      2003-08-23  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63999  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:42:27  

Additional Information
 Earth MOID = 1.29398 au 
 Jupiter MOID = 2.28983 au 
 T_jup = 3.368 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457050.5 (2015-Jan-28.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1309100344766306 1.0959e-07  
q 2.307832197082382 2.9918e-07 au
tp 2457566.349456045827
(2016-Jun-26.84945605)
0.00015634 TDB
node 320.2341283311558 9.1871e-05 deg
peri 1.766826541438556 9.8855e-05 deg
i 5.756634389214022 1.105e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      5706 days (15.62 yr)  
   first obs. used      2003-08-23  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63999  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:42:27  

Additional Information
 Jupiter MOID = 2.28983 au 
 T_jup = 3.368 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.200911553814551E-14 -3.26784877350359E-14 9.37060848876106E-12 -2.929730735850957E-14 2.114022784799824E-12 -8.347010556327194E-15
q -3.26784877350359E-14 8.950854905470997E-14 -2.45838998148729E-11 7.690701558883939E-14 -5.58934964387591E-12 2.313607259596492E-14
tp 9.37060848876106E-12 -2.45838998148729E-11 2.444209616576907E-8 -9.717872143016429E-11 5.799928262774703E-9 -1.955879577311912E-11
node -2.929730735850957E-14 7.690701558883939E-14 -9.717872143016429E-11 8.440205895080402E-9 -8.419542713493437E-9 5.700225889541374E-10
peri 2.114022784799824E-12 -5.58934964387591E-12 5.799928262774703E-9 -8.419542713493437E-9 9.772221315674089E-9 -5.718969298863622E-10
i -8.347010556327194E-15 2.313607259596492E-14 -1.955879577311912E-11 5.700225889541374E-10 -5.718969298863622E-10 1.220924229687734E-10

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 16.7   n/a MPO471581  

344654 (2003 SK7)          Discovered 2003-Sep-16 by Spacewatch at Kitt Peak
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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