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JPL Small-Body Database Browser
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442360 (2011 SR233)
Classification: Main-belt Asteroid          SPK-ID: 2442360
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2779222610265361 1.7535e-07  
a 2.624818245441427 2.1425e-08 au
q 1.89532282388464 4.6762e-07 au
i 4.028017247587083 8.6646e-06 deg
node 241.5598833797903 0.00017188 deg
peri 172.768172783151 0.00018707 deg
M 260.8353932535616 4.6157e-05 deg
tp 2459028.359790708503
(2020-Jun-27.85979071)
0.00020029 TDB
period 1553.271169106848
4.25
1.9018e-05
5.207e-08
d
yr
n .2317689320191302 2.8377e-09 deg/d
Q 3.354313666998214 2.7379e-08 au
  Orbit Determination Parameters
   # obs. used (total)      60  
   data-arc span      7624 days (20.87 yr)  
   first obs. used      1994-10-28  
   last obs. used      2015-09-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57627  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:29:24  

Additional Information
 Earth MOID = .906525 au 
 Jupiter MOID = 2.02106 au 
 T_jup = 3.344 
[ 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 18.4   n/a MPO210132  

442360 (2011 SR233)          Discovered 1994-Oct-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 SR233 = 1994 UX9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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