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JPL Small-Body Database Browser
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146494 (2001 SO22)
Classification: Main-belt Asteroid          SPK-ID: 2146494
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1836324052835904 3.5613e-08  
a 2.687791676616407 1.4438e-08 au
q 2.194226026138122 9.6498e-08 au
i 2.680992719729614 5.929e-06 deg
node 329.6246058526237 9.0073e-05 deg
peri 105.3624934552466 9.1714e-05 deg
M 304.4267916868039 1.6141e-05 deg
tp 2458848.959040115115
(2019-Dec-31.45904012)
7.2794e-05 TDB
period 1609.503160899971
4.41
1.2969e-05
3.551e-08
d
yr
n .2236715085409973 1.8022e-09 deg/d
Q 3.181357327094692 1.7089e-08 au
  Orbit Determination Parameters
   # obs. used (total)      544  
   data-arc span      9504 days (26.02 yr)  
   first obs. used      1993-11-20  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59036  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 12:59:24  

Additional Information
 Earth MOID = 1.211 au 
 Jupiter MOID = 2.09372 au 
 T_jup = 3.347 
[ 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 16.0   n/a MPO453930  
diameter diameter 3.631 km 0.294 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146494 (2001 SO22)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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