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JPL Small-Body Database Browser
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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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2462740245689698 7.8587e-08  
a 2.852526153770643 2.1364e-08 au
q 2.150023057693303 2.1668e-07 au
i 1.835043579889935 7.1455e-06 deg
node 218.9238183015352 0.00013919 deg
peri 164.7657794961162 0.00013961 deg
M 227.0313382394538 1.7274e-05 deg
tp 2459650.464559355004
(2022-Mar-11.96455935)
9.0902e-05 TDB
period 1759.717201555149
4.82
1.9769e-05
5.412e-08
d
yr
n .2045783263821313 2.2983e-09 deg/d
Q 3.555029249847983 2.6626e-08 au
  Orbit Determination Parameters
   # obs. used (total)      664  
   data-arc span      15067 days (41.25 yr)  
   first obs. used      1978-10-28  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58135  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:13:34  

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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