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22265 (1981 EE11)
Classification: Main-belt Asteroid          SPK-ID: 2022265
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .157728498655427 3.268e-08  
a 2.233372449551448 6.6927e-09 au
q 1.881105966145304 7.4643e-08 au
i 2.905952125276993 3.523e-06 deg
node 319.8725365720588 7.2933e-05 deg
peri 316.5927602981633 7.3803e-05 deg
M 248.3623038137504 1.1979e-05 deg
tp 2459578.549374099194
(2021-Dec-30.04937410)
4.1018e-05 TDB
period 1219.102322289531
3.34
5.4799e-06
1.5e-08
d
yr
n .2952992488144091 1.3274e-09 deg/d
Q 2.585638932957591 7.7484e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1301  
   data-arc span      15085 days (41.30 yr)  
   first obs. used      1979-11-26  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55017  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:02:58  

Additional Information
 Earth MOID = .864148 au 
 Jupiter MOID = 2.5307 au 
 T_jup = 3.622 
[ 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 15.43   n/a E2021B10  

22265 (1981 EE11)          Discovered 1981-Mar-01 by Bus, S. J. at Siding Spring
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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