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351768 (2006 EA21)
Classification: Main-belt Asteroid          SPK-ID: 2351768
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2071494924267461 6.0404e-08  
a 2.342862579512622 1.9899e-08 au
q 1.857539785340965 1.3821e-07 au
i 8.357911532136772 8.3346e-06 deg
node 345.1604700601329 3.877e-05 deg
peri 61.37004222855165 4.94e-05 deg
M 78.93256258635361 2.2085e-05 deg
tp 2458713.307990475455
(2019-Aug-17.80799048)
8.0607e-05 TDB
period 1309.841211803137
3.59
1.6688e-05
4.569e-08
d
yr
n .2748424746114235 3.5016e-09 deg/d
Q 2.828185373684279 2.4022e-08 au
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      7622 days (20.87 yr)  
   first obs. used      1999-03-21  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50756  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:57:24  

Additional Information
 Earth MOID = .882818 au 
 Jupiter MOID = 2.63228 au 
 T_jup = 3.520 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457191.5 (2015-Jun-18.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2063032387926274 6.0757e-08  
q 1.859878169333523 1.3904e-07 au
tp 2457401.257286356949
(2016-Jan-13.75728636)
8.4752e-05 TDB
node 345.2737061561401 3.8671e-05 deg
peri 60.84798970911371 4.9484e-05 deg
i 8.368413959522847 8.3427e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      7622 days (20.87 yr)  
   first obs. used      1999-03-21  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50756  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:57:24  

Additional Information
 Jupiter MOID = 2.63228 au 
 T_jup = 3.520 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.691412308537043E-15 -8.397238967600038E-15 -2.726228015538262E-12 7.575048349487379E-14 -9.659004724252582E-13 -4.871632793125624E-15
q -8.397238967600038E-15 1.933118464562287E-14 6.030519983218726E-12 -1.715655793839783E-13 2.131047874378594E-12 1.054224381560633E-14
tp -2.726228015538262E-12 6.030519983218726E-12 7.182938822359198E-9 -1.635628763593676E-10 2.640136695356786E-9 -8.877270067012902E-12
node 7.575048349487379E-14 -1.715655793839783E-13 -1.635628763593676E-10 1.495473225214338E-9 -1.534017660029558E-9 8.683711429466311E-11
peri -9.659004724252582E-13 2.131047874378594E-12 2.640136695356786E-9 -1.534017660029558E-9 2.448674131625556E-9 -8.901215129346602E-11
i -4.871632793125624E-15 1.054224381560633E-14 -8.877270067012902E-12 8.683711429466311E-11 -8.901215129346602E-11 6.960138308062612E-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 17.3   n/a MPO503402  

351768 (2006 EA21)          Discovered 2006-Mar-03 by Spacewatch at Kitt Peak
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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