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332363 (2007 EC91)
Classification: Main-belt Asteroid          SPK-ID: 2332363
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 .1265324615407594 3.8266e-08  
a 2.659841801752326 2.0486e-08 au
q 2.323285471267595 1.0074e-07 au
i 12.54838166055808 4.7196e-06 deg
node 151.6071880998734 2.0575e-05 deg
peri 345.0574426153123 2.8741e-05 deg
M 44.50263331032596 1.902e-05 deg
tp 2458804.631162160344
(2019-Nov-17.13116216)
8.3803e-05 TDB
period 1584.463128969832
4.34
1.8305e-05
5.012e-08
d
yr
n .2272062968319501 2.6249e-09 deg/d
Q 2.996398132237056 2.3078e-08 au
  Orbit Determination Parameters
   # obs. used (total)      357  
   data-arc span      7171 days (19.63 yr)  
   first obs. used      2000-08-29  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54856  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 21:29:11  

Additional Information
 Earth MOID = 1.33846 au 
 Jupiter MOID = 2.0279 au 
 T_jup = 3.341 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457505.5 (2016-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1274117232701904 3.8298e-08  
q 2.321038232638372 1.0105e-07 au
tp 2457221.031536944829
(2015-Jul-17.53153694)
8.5975e-05 TDB
node 151.6243699694193 2.0573e-05 deg
peri 345.2827432983589 2.8618e-05 deg
i 12.54958098483752 4.7202e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      357  
   data-arc span      7171 days (19.63 yr)  
   first obs. used      2000-08-29  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54856  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 21:29:11  

Additional Information
 Jupiter MOID = 2.0279 au 
 T_jup = 3.341 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.466766507205607E-15 -3.810280154453415E-15 4.851326782848842E-13 3.509261778524356E-15 1.116118060696066E-13 -2.350346213684924E-15
q -3.810280154453415E-15 1.02101997153502E-14 -1.701570662028754E-12 -1.197449531947856E-14 -3.77932231862789E-13 6.831776090304383E-15
tp 4.851326782848842E-13 -1.701570662028754E-12 7.39166627656661E-9 2.379989673758907E-11 1.730660672620562E-9 2.467750477030083E-12
node 3.509261778524356E-15 -1.197449531947856E-14 2.379989673758907E-11 4.23243052122949E-10 -4.071263815468869E-10 1.844795622095572E-11
peri 1.116118060696066E-13 -3.77932231862789E-13 1.730660672620562E-9 -4.071263815468869E-10 8.190176225016137E-10 -1.740452941733871E-11
i -2.350346213684924E-15 6.831776090304383E-15 2.467750477030083E-12 1.844795622095572E-11 -1.740452941733871E-11 2.228036452362564E-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 16.2   n/a MPO418706  

332363 (2007 EC91)          Discovered 2007-Mar-09 by NEAT at Palomar
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09

Alternate Designations
 2007 EC91 = 2000 QM253 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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