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JPL Small-Body Database Browser
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312821 (2011 SF43)
Classification: Main-belt Asteroid          SPK-ID: 2312821
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1037372049697988 6.6157e-08  
a 2.797738471305386 2.9872e-08 au
q 2.507508902055688 1.88e-07 au
i 3.119269899731298 6.7374e-06 deg
node 356.1274293670083 9.4633e-05 deg
peri 23.80610200471457 9.8924e-05 deg
M 207.0499872994594 3.085e-05 deg
tp 2459326.699784501849
(2021-Apr-22.19978450)
0.00015352 TDB
period 1709.263816358884
4.68
2.7376e-05
7.495e-08
d
yr
n .2106169899313032 3.3733e-09 deg/d
Q 3.087968040555085 3.2971e-08 au
  Orbit Determination Parameters
   # obs. used (total)      273  
   data-arc span      7902 days (21.63 yr)  
   first obs. used      1997-10-05  
   last obs. used      2019-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57579  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:02:26  

Additional Information
 Earth MOID = 1.50928 au 
 Jupiter MOID = 2.3739 au 
 T_jup = 3.316 
[ 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 16.5   n/a MPO437380  

312821 (2011 SF43)          Discovered 2004-Feb-12 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

Alternate Designations
 2011 SF43 = 1997 TZ25 = 2004 CM121 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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