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175694 (1995 ST51)
Classification: Main-belt Asteroid          SPK-ID: 2175694
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07381980766479959 8.2397e-08  
a 3.050791563567519 3.7232e-08 au
q 2.825582717119572 2.777e-07 au
i 4.578609057453608 9.9527e-06 deg
node 13.7786673522966 6.7932e-05 deg
peri 302.8736617737258 9.877e-05 deg
M 317.0948707275559 6.8664e-05 deg
tp 2459432.465792996915
(2021-Aug-05.96579300)
0.00037032 TDB
period 1946.333384724753
5.33
3.563e-05
9.755e-08
d
yr
n .1849631737426682 3.386e-09 deg/d
Q 3.276000410015467 3.9981e-08 au
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      9037 days (24.74 yr)  
   first obs. used      1995-09-26  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57419  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:06:26  

Additional Information
 Earth MOID = 1.81375 au 
 Jupiter MOID = 1.9583 au 
 T_jup = 3.228 
[ 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 16.33   n/a E2021B55  

175694 (1995 ST51)          Discovered 1995-Sep-26 by Spacewatch at Kitt Peak
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

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