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226630 (2004 EU91)
Classification: Main-belt Asteroid          SPK-ID: 2226630
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1144514206295333 6.6004e-08  
a 2.254203798061372 1.177e-08 au
q 1.996206970984759 1.4946e-07 au
i 4.344638957323205 6.2465e-06 deg
node 159.3114703280475 7.2642e-05 deg
peri 230.1645170860949 7.6195e-05 deg
M 116.989961698277 2.0098e-05 deg
tp 2458798.769976040386
(2019-Nov-11.26997604)
6.9558e-05 TDB
period 1236.198444089164
3.38
9.6822e-06
2.651e-08
d
yr
n .2912153802824509 2.2809e-09 deg/d
Q 2.512200625137986 1.3117e-08 au
  Orbit Determination Parameters
   # obs. used (total)      246  
   data-arc span      6756 days (18.50 yr)  
   first obs. used      2002-10-04  
   last obs. used      2021-04-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58167  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:49:52  

Additional Information
 Earth MOID = 1.00271 au 
 Jupiter MOID = 2.89721 au 
 T_jup = 3.612 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.62   n/a MPCxxxxx  

226630 (2004 EU91)          Discovered 2004-Mar-15 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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