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173070 (2006 SW256)
Classification: Main-belt Asteroid          SPK-ID: 2173070
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1817245839317236 4.7087e-08  
a 2.438213118360488 1.4135e-08 au
q 1.995129853889558 1.1349e-07 au
i 9.469874800741952 5.7131e-06 deg
node 210.9618058011445 2.0542e-05 deg
peri 334.4151673407673 2.4102e-05 deg
M 51.51503133223537 1.2502e-05 deg
tp 2458801.507187710433
(2019-Nov-14.00718771)
4.7762e-05 TDB
period 1390.611838362936
3.81
1.2093e-05
3.311e-08
d
yr
n .2588788546657285 2.2512e-09 deg/d
Q 2.881296382831418 1.6704e-08 au
  Orbit Determination Parameters
   # obs. used (total)      842  
   data-arc span      10452 days (28.62 yr)  
   first obs. used      1991-11-04  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51472  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 03:26:21  

Additional Information
 Earth MOID = 1.00022 au 
 Jupiter MOID = 2.09747 au 
 T_jup = 3.462 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO417932  
diameter diameter 3.521 km 0.276 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.090   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

173070 (2006 SW256)          Discovered 2006-Sep-26 by Spacewatch at Kitt Peak
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Alternate Designations
 2006 SW256 = 1991 VS8 = 2001 LH10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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