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277318 (2005 SR215)
Classification: Main-belt Asteroid          SPK-ID: 2277318
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2176753838880698 6.551e-08  
a 2.210336967328205 1.1955e-08 au
q 1.729201019443046 1.4404e-07 au
i 6.33138060987585 8.4765e-06 deg
node 1.911185371922772 3.8835e-05 deg
peri 310.9111937166737 4.2146e-05 deg
M 214.5426367257871 1.6553e-05 deg
tp 2459485.475017867287
(2021-Sep-27.97501787)
5.6009e-05 TDB
period 1200.289916592867
3.29
9.738e-06
2.666e-08
d
yr
n .29992753835831 2.4333e-09 deg/d
Q 2.691472915213364 1.4557e-08 au
  Orbit Determination Parameters
   # obs. used (total)      301  
   data-arc span      5802 days (15.89 yr)  
   first obs. used      2004-03-15  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53772  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 14:11:12  

Additional Information
 Earth MOID = .723685 au 
 Jupiter MOID = 2.61427 au 
 T_jup = 3.619 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.2   n/a MPO470933  

277318 (2005 SR215)          Discovered 2005-Sep-30 by CSS at Catalina
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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