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215880 (2005 EA245)
Classification: Main-belt Asteroid          SPK-ID: 2215880
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .069124009063811 3.7065e-08  
a 2.430923788678021 1.3468e-08 au
q 2.262888590676008 9.3866e-08 au
i 6.845824554689739 4.5352e-06 deg
node 177.5575048770438 3.274e-05 deg
peri 75.7262934885742 4.6275e-05 deg
M 321.7463117482525 3.2606e-05 deg
tp 2459147.604600783167
(2020-Oct-25.10460078)
0.00012536 TDB
period 1384.380401006715
3.79
1.1505e-05
3.15e-08
d
yr
n .260044132189541 2.1611e-09 deg/d
Q 2.598958986680034 1.4399e-08 au
  Orbit Determination Parameters
   # obs. used (total)      355  
   data-arc span      6972 days (19.09 yr)  
   first obs. used      2001-04-23  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55115  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 03:39:24  

Additional Information
 Earth MOID = 1.26068 au 
 Jupiter MOID = 2.41975 au 
 T_jup = 3.495 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457361.5 (2015-Dec-05.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06966258841244237 3.7092e-08  
q 2.262521611824405 9.4093e-08 au
tp 2457760.101714437237
(2017-Jan-06.60171444)
0.00012488 TDB
node 177.5755780331306 3.2746e-05 deg
peri 75.02228547525368 4.606e-05 deg
i 6.84393668463684 4.5345e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      355  
   data-arc span      6972 days (19.09 yr)  
   first obs. used      2001-04-23  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55115  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 03:39:24  

Additional Information
 Jupiter MOID = 2.41975 au 
 T_jup = 3.495 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.375792797254736E-15 -3.460695360065795E-15 -7.796588984819572E-13 -4.005771129521302E-15 -1.760426016985413E-13 7.70112800105559E-16
q -3.460695360065795E-15 8.853403993684997E-15 1.746837850971101E-12 8.394548745504175E-15 3.791007839422421E-13 -1.632894715143169E-15
tp -7.796588984819572E-13 1.746837850971101E-12 1.559503517800433E-8 -1.043466675832442E-11 4.056738699595465E-9 -4.129275905518798E-12
node -4.005771129521302E-15 8.394548745504175E-15 -1.043466675832442E-11 1.072306528260819E-9 -1.066961961855293E-9 1.940341214799485E-11
peri -1.760426016985413E-13 3.791007839422421E-13 4.056738699595465E-9 -1.066961961855293E-9 2.121480649530883E-9 -2.038777742407353E-11
i 7.70112800105559E-16 -1.632894715143169E-15 -4.129275905518798E-12 1.940341214799485E-11 -2.038777742407353E-11 2.056151218728749E-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 16.6   n/a MPO427269  

215880 (2005 EA245)          Discovered 2005-Mar-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ show close-approach data ]
Alternate Designations
 2005 EA245 = 2001 HL68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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