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243998 (2001 SR11)
Classification: Main-belt Asteroid          SPK-ID: 2243998
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1056551290458091 5.0593e-08  
a 2.980489007489244 3.0104e-08 au
q 2.665585056783352 1.4801e-07 au
i 9.794864317687464 7.3436e-06 deg
node 356.6620531990887 3.1057e-05 deg
peri 320.0299598423567 5.2122e-05 deg
M 254.2606747733295 4.5155e-05 deg
tp 2459552.531356672857
(2021-Dec-04.03135667)
0.00024096 TDB
period 1879.445400055409
5.15
2.8475e-05
7.796e-08
d
yr
n .1915458677274618 2.902e-09 deg/d
Q 3.295392958195136 3.3285e-08 au
  Orbit Determination Parameters
   # obs. used (total)      238  
   data-arc span      21762 days (59.58 yr)  
   first obs. used      1960-09-26  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60253  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 12:52:21  

Additional Information
 Earth MOID = 1.66174 au 
 Jupiter MOID = 2.06922 au 
 T_jup = 3.229 
[ 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 15.8   n/a MPO433598  

243998 (2001 SR11)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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