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JPL Small-Body Database Browser
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20111 (1995 SO5)
Classification: Main-belt Asteroid          SPK-ID: 2020111
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2026225941844805 7.3342e-08  
a 2.531292803634692 1.4698e-08 au
q 2.018395689121724 1.8741e-07 au
i 14.05570819408239 5.0496e-06 deg
node 54.52786464591533 3.0711e-05 deg
peri 256.5786818737935 3.2421e-05 deg
M 332.3430530081557 1.3066e-05 deg
tp 2458713.509184272524
(2019-Aug-18.00918427)
5.3521e-05 TDB
period 1470.997733412355
4.03
1.2812e-05
3.508e-08
d
yr
n .2447318522815723 2.1316e-09 deg/d
Q 3.04418991814766 1.7676e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1134  
   data-arc span      11702 days (32.04 yr)  
   first obs. used      1987-10-17  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46312  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 04:22:01  

Additional Information
 Earth MOID = 1.05721 au 
 Jupiter MOID = 2.33447 au 
 T_jup = 3.381 
[ 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 13.7   n/a MPO492965  
diameter diameter 4.961 km 0.259 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.150   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20111 (1995 SO5)          Discovered 1995-Sep-22 by McNaught, R. H. at Siding Spring
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1995 SO5 = 1987 UB2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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