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347928 (2003 EM)
Classification: Main-belt Asteroid          SPK-ID: 2347928
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 .2006237874401683 7.6639e-08  
a 2.301125311324248 1.4164e-08 au
q 1.839464835991941 1.7872e-07 au
i 24.5655564622927 1.2038e-05 deg
node 349.5426775933683 1.274e-05 deg
peri 127.8483264690354 3.46e-05 deg
M 4.670777778157258 2.6734e-05 deg
tp 2458983.957713597034
(2020-May-14.45771360)
9.4667e-05 TDB
period 1274.99602591185
3.49
1.1772e-05
3.223e-08
d
yr
n .2823538212540981 2.6069e-09 deg/d
Q 2.762785786656556 1.7006e-08 au
  Orbit Determination Parameters
   # obs. used (total)      292  
   data-arc span      6174 days (16.90 yr)  
   first obs. used      2003-02-23  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51474  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:30:48  

Additional Information
 Earth MOID = .917983 au 
 Jupiter MOID = 2.39188 au 
 T_jup = 3.446 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457449.5 (2016-Mar-02.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2000223765727851 7.7096e-08  
q 1.840906866773365 1.7975e-07 au
tp 2457709.591587465758
(2016-Nov-17.09158747)
9.458e-05 TDB
node 349.5786499784152 1.2731e-05 deg
peri 127.9566965519417 3.4678e-05 deg
i 24.57372571809281 1.2041e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      292  
   data-arc span      6174 days (16.90 yr)  
   first obs. used      2003-02-23  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51474  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:30:48  

Additional Information
 Jupiter MOID = 2.39188 au 
 T_jup = 3.446 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.94384819905098E-15 -1.383105239362303E-14 5.167059816854266E-12 -3.041216532794984E-14 1.789900114648353E-12 3.003447137553945E-15
q -1.383105239362303E-14 3.230826514366193E-14 -1.191104534609362E-11 7.044852617011497E-14 -4.139414402427418E-12 -3.476385052250029E-15
tp 5.167059816854266E-12 -1.191104534609362E-11 8.945345940585744E-9 -5.211231426795273E-11 3.058173352426189E-9 3.738104089487471E-11
node -3.041216532794984E-14 7.044852617011497E-14 -5.211231426795273E-11 1.620787753973422E-10 -1.637757065477405E-10 1.173850398316127E-12
peri 1.789900114648353E-12 -4.139414402427418E-12 3.058173352426189E-9 -1.637757065477405E-10 1.202547271569833E-9 1.185913379679424E-11
i 3.003447137553945E-15 -3.476385052250029E-15 3.738104089487471E-11 1.173850398316127E-12 1.185913379679424E-11 1.449812588269391E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO455524  

347928 (2003 EM)          Discovered 2003-Mar-03 by LINEAR at Socorro
Reference: 20121228/Numbers.arcLast Updated: 2013-01-02

Alternate Designations
 2003 EM = 2010 GD32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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