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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2022854898962766 1.9032e-08  
a 2.531125096635682 1.327e-08 au
q 2.019115216473972 4.7685e-08 au
i 14.05297378161945 4.7091e-07 deg
node 54.5219352428369 2.5361e-06 deg
peri 256.6826196527002 6.2682e-06 deg
M 119.1362854444545 5.8414e-06 deg
tp 2458713.745028234848
(2019-Aug-18.24502824)
2.2054e-05 TDB
period 1470.851547718886
4.03
1.1567e-05
3.167e-08
d
yr
n .2447561758073525 1.9248e-09 deg/d
Q 3.043134976797391 1.5954e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1467  
   data-arc span      12199 days (33.40 yr)  
   first obs. used      1987-10-17  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44337  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:13:15  

Additional Information
 Earth MOID = 1.05685 au 
 Jupiter MOID = 2.33666 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 13.68   n/a E2021B10  
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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