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181175 (2005 SY71)
Classification: Outer Main-belt Asteroid          SPK-ID: 2181175
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1051742715765717 5.4935e-08  
a 3.423426396787812 3.592e-08 au
q 3.063370019209647 1.7898e-07 au
i 10.76381109110076 6.225e-06 deg
node 1.448810497208551 2.5925e-05 deg
peri 55.77783326622618 4.098e-05 deg
M 103.0152629280605 3.0264e-05 deg
tp 2458538.452737744249
(2019-Feb-23.95273774)
0.00019367 TDB
period 2313.608756971386
6.33
3.6413e-05
9.969e-08
d
yr
n .1556010708012947 2.449e-09 deg/d
Q 3.783482774365978 3.9698e-08 au
  Orbit Determination Parameters
   # obs. used (total)      308  
   data-arc span      7358 days (20.15 yr)  
   first obs. used      2001-02-21  
   last obs. used      2021-04-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56591  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:09:19  

Additional Information
 Earth MOID = 2.08982 au 
 Jupiter MOID = 1.67482 au 
 T_jup = 3.105 
[ 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 15.32   n/a E2021B55  

181175 (2005 SY71)          Discovered 2005-Sep-23 by CSS at Catalina
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

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