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JPL Small-Body Database Browser
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20806 (2000 SW220)
Classification: Main-belt Asteroid          SPK-ID: 2020806
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0824613844652438 3.6904e-08  
a 2.911216153415027 1.9356e-08 au
q 2.671153238926843 1.1111e-07 au
i 13.23319738329705 4.3972e-06 deg
node 77.36746372326631 1.7763e-05 deg
peri 293.9050031457465 3.1987e-05 deg
M 281.8488973170151 2.666e-05 deg
tp 2458994.360760151499
(2020-May-24.86076015)
0.00013507 TDB
period 1814.304197724523
4.97
1.8094e-05
4.954e-08
d
yr
n .1984231753702094 1.9789e-09 deg/d
Q 3.151279067903212 2.0952e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1146  
   data-arc span      8232 days (22.54 yr)  
   first obs. used      1997-02-06  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55111  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:30:39  

Additional Information
 Earth MOID = 1.70519 au 
 Jupiter MOID = 2.28698 au 
 T_jup = 3.239 
[ 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 13.9   n/a MPO431740  
diameter diameter 11.510 km 1.341 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.040   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

20806 (2000 SW220)          Discovered 2000-Sep-26 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 SW220 = 1998 HV108 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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