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134971 (2001 EE21)
Classification: Main-belt Asteroid          SPK-ID: 2134971
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06299068592541465 5.5393e-08  
a 2.475519692522235 1.6458e-08 au
q 2.319585009068388 1.3588e-07 au
i 14.26470426991761 6.61e-06 deg
node 186.4454630060928 1.5202e-05 deg
peri 41.35205946688035 4.8464e-05 deg
M 330.5834848279881 4.4353e-05 deg
tp 2459316.748331176736
(2021-Apr-12.24833118)
0.00017549 TDB
period 1422.649793114929
3.90
1.4187e-05
3.884e-08
d
yr
n .2530489244382277 2.5235e-09 deg/d
Q 2.631454375976082 1.7495e-08 au
  Orbit Determination Parameters
   # obs. used (total)      437  
   data-arc span      7011 days (19.20 yr)  
   first obs. used      2001-03-03  
   last obs. used      2020-05-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60896  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:04:56  

Additional Information
 Earth MOID = 1.32826 au 
 Jupiter MOID = 2.34734 au 
 T_jup = 3.436 
[ 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 16.07   n/a E2021B55  

134971 (2001 EE21)          Discovered 2001-Mar-15 by LONEOS at Anderson Mesa
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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