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JPL Small-Body Database Browser
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442464 (2011 US274)
Classification: Main-belt Asteroid          SPK-ID: 2442464
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2105163231611063 8.0841e-08  
a 2.626003278095687 2.1422e-08 au
q 2.073186723381971 2.2045e-07 au
i 2.370195918038649 7.2561e-06 deg
node 312.042754449357 0.00014952 deg
peri 63.12311637876633 0.00015069 deg
M 291.4339365151482 1.6134e-05 deg
tp 2458896.538393248708
(2020-Feb-17.03839325)
7.1135e-05 TDB
period 1554.323176115834
4.26
1.9019e-05
5.207e-08
d
yr
n .2316120646798948 2.8341e-09 deg/d
Q 3.178819832809403 2.5931e-08 au
  Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      7636 days (20.91 yr)  
   first obs. used      1998-09-25  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66394  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:15  

Additional Information
 Earth MOID = 1.07474 au 
 Jupiter MOID = 2.29421 au 
 T_jup = 3.369 
[ 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 17.6   n/a MPO349190  

442464 (2011 US274)          Discovered 2000-Feb-04 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 US274 = 2000 CO134 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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