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118857 (2000 SZ309)
Classification: Main-belt Asteroid          SPK-ID: 2118857
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05298985205914553 4.8304e-08  
a 2.590876932686382 1.5595e-08 au
q 2.453586747319878 1.2836e-07 au
i 21.46881709184659 5.9024e-06 deg
node 308.5265424683363 1.4751e-05 deg
peri 110.1354375875555 6.21e-05 deg
M 215.9078340350403 6.2442e-05 deg
tp 2459610.186350565541
(2022-Jan-30.68635057)
0.00026651 TDB
period 1523.240939115104
4.17
1.3753e-05
3.765e-08
d
yr
n .2363381857430478 2.1338e-09 deg/d
Q 2.728167118052887 1.6421e-08 au
  Orbit Determination Parameters
   # obs. used (total)      938  
   data-arc span      7251 days (19.85 yr)  
   first obs. used      2000-08-08  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60797  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 01:52:20  

Additional Information
 Earth MOID = 1.52631 au 
 Jupiter MOID = 2.45218 au 
 T_jup = 3.320 
[ 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 14.3   n/a MPO475043  
diameter diameter 3.589 km 0.149 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.344   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118857 (2000 SZ309)          Discovered 2000-Sep-26 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

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