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48781 (1997 SL)
Classification: Main-belt Asteroid          SPK-ID: 2048781
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2462740138026151 7.1717e-08  
a 2.852526151388998 2.0203e-08 au
q 2.150023086609504 1.987e-07 au
i 1.835043738463366 7.0962e-06 deg
node 218.9238111091839 0.00013148 deg
peri 164.7657868670221 0.00013193 deg
M 227.0313395620242 1.6853e-05 deg
tp 2459650.464552076136
(2022-Mar-11.96455208)
8.847e-05 TDB
period 1759.717199351302
4.82
1.8695e-05
5.118e-08
d
yr
n .2045783266383426 2.1734e-09 deg/d
Q 3.555029216168493 2.5178e-08 au
  Orbit Determination Parameters
   # obs. used (total)      678  
   data-arc span      15148 days (41.47 yr)  
   first obs. used      1978-10-28  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57777  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:48:09  

Additional Information
 Earth MOID = 1.15374 au 
 Jupiter MOID = 1.90515 au 
 T_jup = 3.259 
[ 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 15.2   n/a MPO468355  

48781 (1997 SL)          Discovered 1997-Sep-20 by Sarounova, L. at Ondrejov
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 SL = 1978 UU2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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