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78907 (2003 SR90)
Classification: Main-belt Asteroid          SPK-ID: 2078907
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2071315103095153 4.6522e-08  
a 2.229919321036333 1.1318e-08 au
q 1.768032764201709 1.0791e-07 au
i 6.483439786799946 3.9761e-06 deg
node 85.71004365914204 4.8184e-05 deg
peri 240.5573840058614 4.9571e-05 deg
M 30.30463835781627 1.4624e-05 deg
tp 2458898.114428805728
(2020-Feb-18.61442881)
4.9108e-05 TDB
period 1216.276043117052
3.33
9.2595e-06
2.535e-08
d
yr
n .2959854401780355 2.2533e-09 deg/d
Q 2.691805877870958 1.3662e-08 au
  Orbit Determination Parameters
   # obs. used (total)      557  
   data-arc span      8365 days (22.90 yr)  
   first obs. used      1997-11-28  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61148  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:05  

Additional Information
 Earth MOID = .766862 au 
 Jupiter MOID = 2.6528 au 
 T_jup = 3.606 
[ 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 16.2   n/a MPO266290  

78907 (2003 SR90)          Discovered 2003-Sep-18 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2003 SR90 = 1997 WC27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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