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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2106978136656492 6.0659e-08  
a 2.625904539044396 1.8066e-08 au
q 2.072632193773038 1.6241e-07 au
i 2.370648195460536 6.9444e-06 deg
node 312.0375206550945 0.00013225 deg
peri 63.28420459227609 0.00013353 deg
M 115.6879480176717 1.6956e-05 deg
tp 2458897.038008022770
(2020-Feb-17.53800802)
7.0775e-05 TDB
period 1554.235511933679
4.26
1.604e-05
4.392e-08
d
yr
n .2316251283900413 2.3904e-09 deg/d
Q 3.179176884315755 2.1873e-08 au
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      8183 days (22.40 yr)  
   first obs. used      1998-09-25  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .64792  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:44:21  

Additional Information
 Earth MOID = 1.07425 au 
 Jupiter MOID = 2.29902 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 17.67   n/a MPCxxxxx  

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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