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JPL Small-Body Database Browser
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160566 (1998 SO156)
Classification: Main-belt Asteroid          SPK-ID: 2160566
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2139095488291342 4.8349e-08  
a 2.801689215537341 2.5776e-08 au
q 2.202381139482297 1.3465e-07 au
i 7.617218105686767 6.6375e-06 deg
node 4.674374432174369 3.7525e-05 deg
peri 299.2103035745205 4.1111e-05 deg
M 188.4280562312505 2.0656e-05 deg
tp 2459416.841988919228
(2021-Jul-21.34198892)
0.00010457 TDB
period 1712.885624277988
4.69
2.3638e-05
6.472e-08
d
yr
n .210171651216786 2.9004e-09 deg/d
Q 3.400997291592385 3.1289e-08 au
  Orbit Determination Parameters
   # obs. used (total)      367  
   data-arc span      7436 days (20.36 yr)  
   first obs. used      1998-09-26  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61579  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:28:27  

Additional Information
 Earth MOID = 1.19897 au 
 Jupiter MOID = 1.92156 au 
 T_jup = 3.278 
[ 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 15.5   n/a MPO433027  
diameter diameter 4.571 km 1.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160566 (1998 SO156)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ show close-approach data ]
Alternate Designations
 1998 SO156 = 2003 VT9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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