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56974 (2000 SS142)
Classification: Outer Main-belt Asteroid          SPK-ID: 2056974
[ 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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07940010754217415 6.2726e-08  
a 3.478207411017937 3.2005e-08 au
q 3.202037368529125 2.1784e-07 au
i 8.792996717231363 5.7482e-06 deg
node 308.3145473392561 3.5173e-05 deg
peri 29.95159385315135 4.5367e-05 deg
M 52.10593995797071 2.6655e-05 deg
tp 2458657.561396534095
(2019-Jun-23.06139653)		 0.00017669 TDB
period 2369.363211705009
6.49		 3.2703e-05
8.954e-08		 d
yr
n .1519395583680653 2.0971e-09 deg/d
Q 3.754377453506748 3.4546e-08 au
   Orbit Determination Parameters
   # obs. used (total)      850  
   data-arc span      7796 days (21.34 yr)  
   first obs. used      1999-07-13  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48471  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:38:49  

Additional Information
 Earth MOID = 2.19589 au 
 Jupiter MOID = 1.58524 au 
 T_jup = 3.107 
[ 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 13.8   n/a MPO493272  
diameter diameter 10.524 km 0.292 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56974 (2000 SS142)          Discovered 2000-Sep-23 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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