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312830 (2011 SB241)
Classification: Main-belt Asteroid          SPK-ID: 2312830
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04693442602718312 6.1225e-08  
a 2.277289035911581 1.6593e-08 au
q 2.170405782113074 1.4278e-07 au
i 7.61483863041932 7.1392e-06 deg
node 9.082195230187869 4.4695e-05 deg
peri 191.4134008125875 8.0536e-05 deg
M 351.8240520531865 6.7324e-05 deg
tp 2459029.007640718390
(2020-Jun-28.50764072)
0.00023475 TDB
period 1255.236790324763
3.44
1.3719e-05
3.756e-08
d
yr
n .2867984772075224 3.1345e-09 deg/d
Q 2.384172289710088 1.7371e-08 au
  Orbit Determination Parameters
   # obs. used (total)      213  
   data-arc span      6761 days (18.51 yr)  
   first obs. used      2001-10-18  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56927  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:28:37  

Additional Information
 Earth MOID = 1.16847 au 
 Jupiter MOID = 2.57384 au 
 T_jup = 3.595 
[ 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 17.1   n/a MPO455306  

312830 (2011 SB241)          Discovered 2003-Mar-23 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2011 SB241 = 2003 FM43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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