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120216 (2004 EW95)
Classification: TransNeptunian Object          SPK-ID: 2120216
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3200360364888714 1.1814e-05  
a 39.67571929484734 0.00081553 au
q 26.97805934687936 8.7092e-05 au
i 29.27642361781385 2.6255e-05 deg
node 25.74988995603063 1.6722e-05 deg
peri 205.0835220859324 0.00062845 deg
M 2.887546389442469 0.0002419 deg
tp 2458268.329697345267
(2018-May-29.82969735)
0.077614 TDB
period 91282.10369863414
249.92
2.8144
0.007705
d
yr
n .003943817960073884 1.216e-07 deg/d
Q 52.37337924281533 0.0010765 au
  Orbit Determination Parameters
   # obs. used (total)      280  
   data-arc span      7035 days (19.26 yr)  
   first obs. used      2001-03-12  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .45328  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:58:43  

Additional Information
 Earth MOID = 25.9907 au 
 Jupiter MOID = 21.6958 au 
 T_jup = 4.695 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457028.5 (2015-Jan-06.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3172013549747277 1.1841e-05  
q 26.97918710303474 8.6123e-05 au
tp 2458154.020244289756
(2018-Feb-04.52024429)
0.075608 TDB
node 25.71788411547664 1.6762e-05 deg
peri 204.1736209634062 0.000611 deg
i 29.25827335189887 2.6267e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      280  
   data-arc span      7035 days (19.26 yr)  
   first obs. used      2001-03-12  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .45328  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:58:43  

Additional Information
 Jupiter MOID = 21.6958 au 
 T_jup = 4.695 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.402048834268658E-10 1.003190813147983E-9 -6.779919768344432E-7 9.92385683264478E-12 -5.462126789860003E-9 3.269795946503429E-11
q 1.003190813147983E-9 7.417155351622508E-9 -5.485442076438901E-6 7.236962504595109E-11 -4.42617906929273E-8 2.401291938523456E-10
tp -6.779919768344432E-7 -5.485442076438901E-6 .005716500121406964 -5.081542144369596E-8 4.618072576200185E-5 -1.732167741428334E-7
node 9.92385683264478E-12 7.236962504595109E-11 -5.081542144369596E-8 2.809771811392273E-10 -6.543452312713384E-10 3.750759163881774E-10
peri -5.462126789860003E-9 -4.42617906929273E-8 4.618072576200185E-5 -6.543452312713384E-10 3.733223545560239E-7 -1.722551733426288E-9
i 3.269795946503429E-11 2.401291938523456E-10 -1.732167741428334E-7 3.750759163881774E-10 -1.722551733426288E-9 6.899679772408683E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 6.3   n/a MPO417626  

120216 (2004 EW95)          Discovered 2004-Mar-14 by Spacewatch at Kitt Peak
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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