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308419 (2005 SZ120)
Classification: Main-belt Asteroid          SPK-ID: 2308419
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08515087049932106 8.1669e-08  
a 3.159151332474915 4.5281e-08 au
q 2.890146846475586 2.7569e-07 au
i 8.958066235111215 9.223e-06 deg
node 349.3180687364117 3.9016e-05 deg
peri 341.6672980765154 5.6693e-05 deg
M 254.3906807707256 4.481e-05 deg
tp 2459602.163706432623
(2022-Jan-22.66370643)
0.0002626 TDB
period 2050.945275440276
5.62
4.4095e-05
1.207e-07
d
yr
n .1755288180094024 3.7738e-09 deg/d
Q 3.428155818474244 4.9137e-08 au
  Orbit Determination Parameters
   # obs. used (total)      177  
   data-arc span      6653 days (18.21 yr)  
   first obs. used      2002-02-08  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6394  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:12:17  

Additional Information
 Earth MOID = 1.88155 au 
 Jupiter MOID = 1.9426 au 
 T_jup = 3.181 
[ 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 15.4   n/a MPO433984  
diameter diameter 5.735 km 1.667 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.037   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

308419 (2005 SZ120)          Discovered 2005-Sep-29 by Spacewatch at Kitt Peak
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

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