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351517 (2005 ST74)
Classification: Outer Main-belt Asteroid          SPK-ID: 2351517
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02748591911942585 4.386e-08  
a 3.241537043348216 3.7817e-08 au
q 3.152440418352124 1.3706e-07 au
i 5.419423637618933 8.1298e-06 deg
node 1.123881322465481 5.094e-05 deg
peri 104.4461720395967 0.00018454 deg
M 123.1567407369497 0.00017492 deg
tp 2458471.243016658994
(2018-Dec-18.74301666)
0.0010351 TDB
period 2131.694233152084
5.84
3.7303e-05
1.021e-07
d
yr
n .1688797550799192 2.9553e-09 deg/d
Q 3.330633668344308 3.8856e-08 au
  Orbit Determination Parameters
   # obs. used (total)      198  
   data-arc span      7562 days (20.70 yr)  
   first obs. used      1999-09-06  
   last obs. used      2020-05-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53881  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 08:58:33  

Additional Information
 Earth MOID = 2.17498 au 
 Jupiter MOID = 1.69347 au 
 T_jup = 3.176 
[ 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 15.98   n/a E2021B25  

351517 (2005 ST74)          Discovered 2005-Sep-24 by Spacewatch at Kitt Peak
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31

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