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JPL Small-Body Database Browser
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312887 (2011 US253)
Classification: Inner Main-belt Asteroid          SPK-ID: 2312887
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1129450869158789 7.9728e-08  
a 1.965989138177375 1.8392e-08 au
q 1.743940324090258 1.4685e-07 au
i 22.79652692427025 8.1722e-06 deg
node 65.11115114036524 1.5782e-05 deg
peri 49.35192714164675 8.2261e-05 deg
M 208.1673530406055 6.9438e-05 deg
tp 2459025.151595891076
(2020-Jun-24.65159589)
0.00019522 TDB
period 1006.862342073713
2.76
1.4129e-05
3.868e-08
d
yr
n .3575463943348514 5.0173e-09 deg/d
Q 2.188037952264493 2.0469e-08 au
  Orbit Determination Parameters
   # obs. used (total)      203  
   data-arc span      6390 days (17.49 yr)  
   first obs. used      2000-11-21  
   last obs. used      2018-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63359  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 17:09:45  

Additional Information
 Earth MOID = .80176 au 
 Jupiter MOID = 3.10361 au 
 T_jup = 3.773 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.2   n/a MPO334714  

312887 (2011 US253)          Discovered 2000-Dec-19 by LINEAR at Socorro
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2011 US253 = 2000 YA5 = 2010 LL 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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