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186614 (2003 EY31)
Classification: Main-belt Asteroid          SPK-ID: 2186614
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1194844590344466 4.0054e-08  
a 2.651988504065774 1.2829e-08 au
q 2.335117092291903 1.0528e-07 au
i 12.12171025784237 4.0926e-06 deg
node 170.6288757888126 2.1003e-05 deg
peri 73.3803185894994 2.705e-05 deg
M 12.60795263500163 1.6318e-05 deg
tp 2459341.254367461113
(2021-May-06.75436746)
7.1536e-05 TDB
period 1577.451017605036
4.32
1.1447e-05
3.134e-08
d
yr
n .2282162780221029 1.656e-09 deg/d
Q 2.968859915839644 1.4362e-08 au
  Orbit Determination Parameters
   # obs. used (total)      523  
   data-arc span      8127 days (22.25 yr)  
   first obs. used      1999-03-20  
   last obs. used      2021-06-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53729  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 09:32:19  

Additional Information
 Earth MOID = 1.35828 au 
 Jupiter MOID = 2.1034 au 
 T_jup = 3.348 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457595.5 (2016-Jul-26.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1201346422216381 4.0033e-08  
q 2.334453420922619 1.0533e-07 au
tp 2457760.827464190886
(2017-Jan-07.32746419)
7.2851e-05 TDB
node 170.6548149653039 2.0999e-05 deg
peri 72.80816547676791 2.6981e-05 deg
i 12.12180717503647 4.0928e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      523  
   data-arc span      8127 days (22.25 yr)  
   first obs. used      1999-03-20  
   last obs. used      2021-06-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53729  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 09:32:19  

Additional Information
 Jupiter MOID = 2.1034 au 
 T_jup = 3.348 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.602652520481547E-15 -4.19299334161991E-15 -2.203612064370913E-13 1.724769179789607E-16 -3.168278776515637E-14 -3.432648943665498E-15
q -4.19299334161991E-15 1.109503364497386E-14 4.089491100456102E-13 2.524173170943072E-17 3.998009885844776E-14 9.16242827589863E-15
tp -2.203612064370913E-13 4.089491100456102E-13 5.307287987256051E-9 5.998672513457404E-12 1.25706391223027E-9 -2.535504228188139E-13
node 1.724769179789607E-16 2.524173170943072E-17 5.998672513457404E-12 4.409537593337337E-10 -4.293741941434025E-10 1.227850430776182E-11
peri -3.168278776515637E-14 3.998009885844776E-14 1.25706391223027E-9 -4.293741941434025E-10 7.279987946618846E-10 -1.211007356157447E-11
i -3.432648943665498E-15 9.16242827589863E-15 -2.535504228188139E-13 1.227850430776182E-11 -1.211007356157447E-11 1.67510535583888E-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 15.75   n/a E2021B55  

186614 (2003 EY31)          Discovered 2003-Mar-07 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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