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78964 (2003 SR251)
Classification: Main-belt Asteroid          SPK-ID: 2078964
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .14488524224391 5.0456e-08  
a 2.281150560808956 6.3484e-09 au
q 1.95064550921132 1.1644e-07 au
i 6.982383467140215 4.8194e-06 deg
node 34.66473589751819 2.9612e-05 deg
peri 339.0433790148146 3.1955e-05 deg
M 70.39895562759298 1.0556e-05 deg
tp 2459150.410508778078
(2020-Oct-27.91050878)
3.7005e-05 TDB
period 1258.430839635467
3.45
5.2533e-06
1.438e-08
d
yr
n .2860705480678478 1.1942e-09 deg/d
Q 2.611655612406593 7.2682e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1162  
   data-arc span      8861 days (24.26 yr)  
   first obs. used      1996-11-07  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50215  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:07:28  

Additional Information
 Earth MOID = .952834 au 
 Jupiter MOID = 2.85376 au 
 T_jup = 3.582 
[ 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 15.91   n/a E2021B10  

78964 (2003 SR251)          Discovered 2003-Sep-26 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2003 SR251 = 1996 VV39 = 2002 JS147 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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