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JPL Small-Body Database Browser
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379677 (2011 FD21)
Classification: Main-belt Asteroid          SPK-ID: 2379677
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06922936392974244 2.7813e-07  
a 2.584717077275001 3.8865e-08 au
q 2.40577875807691 7.2542e-07 au
i 7.06342612886792 1.2155e-05 deg
node 21.98789165287278 5.1978e-05 deg
peri 355.2035829948946 7.9363e-05 deg
M 238.9787496584261 4.9922e-05 deg
tp 2459510.743028959484
(2021-Oct-23.24302896)
0.00020856 TDB
period 1517.811871113292
4.16
3.4234e-05
9.373e-08
d
yr
n .2371835448460062 5.3496e-09 deg/d
Q 2.763655396473093 4.1556e-08 au
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      6313 days (17.28 yr)  
   first obs. used      2001-12-20  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55681  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:12:47  

Additional Information
 Earth MOID = 1.40738 au 
 Jupiter MOID = 2.54775 au 
 T_jup = 3.409 
[ 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 17.0   n/a MPO427887  

379677 (2011 FD21)          Discovered 2007-Apr-15 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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