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91030 (1998 EV2)
Classification: Main-belt Asteroid          SPK-ID: 2091030
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 .11198108332795 3.6206e-08  
a 2.801492573795766 1.8375e-08 au
q 2.487778400446909 1.0447e-07 au
i 24.74081256808858 4.3923e-06 deg
node 196.0830153137884 9.1076e-06 deg
peri 68.51459758407266 2.2894e-05 deg
M 294.97179221044 2.3587e-05 deg
tp 2459705.872654901936
(2022-May-06.37265490)
0.00011384 TDB
period 1712.705294371923
4.69
1.685e-05
4.613e-08
d
yr
n .2101937800875531 2.068e-09 deg/d
Q 3.115206747144623 2.0433e-08 au
  Orbit Determination Parameters
   # obs. used (total)      637  
   data-arc span      8470 days (23.19 yr)  
   first obs. used      1998-03-02  
   last obs. used      2021-05-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54692  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:39:33  

Additional Information
 Earth MOID = 1.56884 au 
 Jupiter MOID = 2.02563 au 
 T_jup = 3.182 
[ 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 15.11   n/a MPCxxxxx  

91030 (1998 EV2)          Discovered 1998-Mar-02 by ODAS at Caussols
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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