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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02755724222451678 4.5347e-08  
a 3.241984559561268 3.8498e-08 au
q 3.152644405765294 1.4394e-07 au
i 5.419188863286554 8.1675e-06 deg
node 1.122619956058823 5.3079e-05 deg
peri 104.7920647270208 0.00018619 deg
M 89.02621518803703 0.00017558 deg
tp 2458473.233414416582
(2018-Dec-20.73341442)
0.0010397 TDB
period 2132.135690696385
5.84
3.7978e-05
1.04e-07
d
yr
n .168844788617754 3.0075e-09 deg/d
Q 3.33132471335724 3.9559e-08 au
  Orbit Determination Parameters
   # obs. used (total)      190  
   data-arc span      7538 days (20.64 yr)  
   first obs. used      1999-09-06  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53449  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 22:53:26  

Additional Information
 Earth MOID = 2.17527 au 
 Jupiter MOID = 1.69333 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 15.8   n/a MPO427798  

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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