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120580 (1995 SF)
Classification: Main-belt Asteroid          SPK-ID: 2120580
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1740021371075386 5.5972e-08  
a 2.162193421629423 1.1757e-08 au
q 1.785967145426042 1.2637e-07 au
i 1.538140594023373 5.5153e-06 deg
node 206.4353398256238 0.00017671 deg
peri 186.4884896601715 0.00017758 deg
M 253.3760942103308 2.0858e-05 deg
tp 2459344.447633731965
(2021-May-09.94763373)
6.9174e-05 TDB
period 1161.28880504305
3.18
9.4716e-06
2.593e-08
d
yr
n .3100004050987598 2.5284e-09 deg/d
Q 2.538419697832804 1.3802e-08 au
  Orbit Determination Parameters
   # obs. used (total)      331  
   data-arc span      8603 days (23.55 yr)  
   first obs. used      1995-09-17  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57719  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:23:16  

Additional Information
 Earth MOID = .792014 au 
 Jupiter MOID = 2.88784 au 
 T_jup = 3.676 
[ 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 17.2   n/a MPO422420  

120580 (1995 SF)          Discovered 1995-Sep-17 by Moravec, Z. at Klet
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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