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JPL Small-Body Database Browser
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442371 (2011 SS272)
Classification: Main-belt Asteroid          SPK-ID: 2442371
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1774953603588738 5.2014e-08  
a 2.366122868778997 1.8364e-08 au
q 1.946147037531697 1.2235e-07 au
i 3.505318938345319 6.1819e-06 deg
node 80.2095618531162 0.00012531 deg
peri 324.5646508236522 0.00012751 deg
M 106.7039689474319 2.4842e-05 deg
tp 2458606.467141394254
(2019-May-02.96714139)
8.9597e-05 TDB
period 1329.395996206591
3.64
1.5477e-05
4.237e-08
d
yr
n .2707996722024544 3.1526e-09 deg/d
Q 2.786098700026298 2.1624e-08 au
  Orbit Determination Parameters
   # obs. used (total)      127  
   data-arc span      8068 days (22.09 yr)  
   first obs. used      1997-12-31  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5991  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:40:51  

Additional Information
 Earth MOID = .956763 au 
 Jupiter MOID = 2.60263 au 
 T_jup = 3.524 
[ 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 17.5   n/a MPO456095  

442371 (2011 SS272)          Discovered 2004-Nov-12 by CSS at Catalina
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 SS272 = 2004 XK24 = 2009 BQ191 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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