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215881 (2005 EE245)
Classification: Main-belt Asteroid          SPK-ID: 2215881
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1299067017559133 7.4093e-08  
a 2.437426812161026 1.2717e-08 au
q 2.120788734221757 1.8483e-07 au
i 2.168441335382247 5.8315e-06 deg
node 119.2741878315429 0.00016448 deg
peri 63.49306573423423 0.00016586 deg
M 7.57108402679602 2.0601e-05 deg
tp 2458971.268482031418
(2020-May-01.76848203)
7.9475e-05 TDB
period 1389.939199121886
3.81
1.0877e-05
2.978e-08
d
yr
n .2590041350207515 2.0269e-09 deg/d
Q 2.754064890100296 1.4369e-08 au
  Orbit Determination Parameters
   # obs. used (total)      207  
   data-arc span      6997 days (19.16 yr)  
   first obs. used      2001-02-20  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59605  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 09:22:36  

Additional Information
 Earth MOID = 1.12431 au 
 Jupiter MOID = 2.20332 au 
 T_jup = 3.491 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457556.5 (2016-Jun-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1308563739707987 7.4054e-08  
q 2.119058992694014 1.8503e-07 au
tp 2457581.190772884522
(2016-Jul-11.69077288)
7.6484e-05 TDB
node 119.288996088606 0.0001645 deg
peri 63.51830570968951 0.00016585 deg
i 2.168403836853383 5.8317e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      207  
   data-arc span      6997 days (19.16 yr)  
   first obs. used      2001-02-20  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59605  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 09:22:36  

Additional Information
 Jupiter MOID = 2.20332 au 
 T_jup = 3.491 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.483941894088139E-15 -1.368108350468735E-14 -6.102805762198728E-13 6.133259975384129E-14 -2.468598651237432E-14 -1.301482285889145E-15
q -1.368108350468735E-14 3.423745438186542E-14 1.619024873929303E-12 -1.539999565812247E-13 8.512308969079412E-14 3.511415674319896E-15
tp -6.102805762198728E-13 1.619024873929303E-12 5.849840519458329E-9 -3.549746579086145E-11 1.653320453000139E-9 1.271976714694665E-12
node 6.133259975384129E-14 -1.539999565812247E-13 -3.549746579086145E-11 2.70601446408877E-8 -2.704698296668257E-8 2.962027717262533E-10
peri -2.468598651237432E-14 8.512308969079412E-14 1.653320453000139E-9 -2.704698296668257E-8 2.75064673008249E-8 -2.956905530269593E-10
i -1.301482285889145E-15 3.511415674319896E-15 1.271976714694665E-12 2.962027717262533E-10 -2.956905530269593E-10 3.400831317812913E-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 17.2   n/a MPO413072  

215881 (2005 EE245)          Discovered 2005-Mar-11 by Spacewatch at Kitt Peak
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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