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JPL Small-Body Database Browser
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324391 (2006 SD21)
Classification: Main-belt Asteroid          SPK-ID: 2324391
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05545341247357032 4.7438e-08  
a 2.273275828266998 1.8295e-08 au
q 2.147214926095911 1.1202e-07 au
i 4.294320261096304 6.4071e-06 deg
node 356.6980851039328 7.0087e-05 deg
peri 286.0797306243514 9.9895e-05 deg
M 63.53247317665416 6.6195e-05 deg
tp 2458779.562269259878
(2019-Oct-23.06226926)
0.00023104 TDB
period 1251.920145549618
3.43
1.5113e-05
4.138e-08
d
yr
n .2875582770033251 3.4714e-09 deg/d
Q 2.399336730438085 1.931e-08 au
  Orbit Determination Parameters
   # obs. used (total)      186  
   data-arc span      5178 days (14.18 yr)  
   first obs. used      2005-04-05  
   last obs. used      2019-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60204  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 20:09:42  

Additional Information
 Earth MOID = 1.13572 au 
 Jupiter MOID = 2.66478 au 
 T_jup = 3.605 
[ 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 17.2   n/a MPO434049  

324391 (2006 SD21)          Discovered 2006-Sep-16 by LONEOS at Anderson Mesa
Reference: 20120406/Numbers.arcLast Updated: 2012-04-09

Alternate Designations
 2006 SD21 = 2005 GT44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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