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308421 (2005 SZ126)
Classification: Main-belt Asteroid          SPK-ID: 2308421
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1609665415666408 1.1599e-07  
a 3.196873141053415 6.3204e-08 au
q 2.682283527710763 3.922e-07 au
i .2927821487152036 9.855e-06 deg
node 159.2717763196194 0.002266 deg
peri 246.882656358137 0.0022663 deg
M 180.0415322163374 4.3593e-05 deg
tp 2460044.153459845100
(2023-Apr-09.65345985)
0.00027829 TDB
period 2087.788644632732
5.72
6.1915e-05
1.695e-07
d
yr
n .1724312472555518 5.1136e-09 deg/d
Q 3.711462754396067 7.3377e-08 au
  Orbit Determination Parameters
   # obs. used (total)      96  
   data-arc span      6620 days (18.12 yr)  
   first obs. used      2002-03-13  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60997  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:12:17  

Additional Information
 Earth MOID = 1.69188 au 
 Jupiter MOID = 1.68135 au 
 T_jup = 3.175 
[ 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 16.8   n/a MPO433984  

308421 (2005 SZ126)          Discovered 2005-Sep-29 by Mt. Lemmon Survey at Mount Lemmon
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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