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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1838033232629201 3.5399e-08  
a 2.688414460997999 1.2686e-08 au
q 2.194274948758475 9.6351e-08 au
i 2.681011296997247 4.9848e-06 deg
node 329.6159977610817 8.8645e-05 deg
peri 105.3045425303844 9.0023e-05 deg
M 33.92988463625992 1.3461e-05 deg
tp 2458848.752116200997
(2019-Dec-31.25211620)
6.0112e-05 TDB
period 1610.062596831245
4.41
1.1396e-05
3.12e-08
d
yr
n .2235937911411109 1.5826e-09 deg/d
Q 3.182553973237523 1.5018e-08 au
  Orbit Determination Parameters
   # obs. used (total)      613  
   data-arc span      9565 days (26.19 yr)  
   first obs. used      1993-11-20  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56616  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:37:42  

Additional Information
 Earth MOID = 1.21121 au 
 Jupiter MOID = 2.09259 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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