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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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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2462740096657381 6.4717e-08  
a 2.852526150545367 1.9097e-08 au
q 2.150023097774187 1.8045e-07 au
i 1.835046032395477 6.9085e-06 deg
node 218.9237328063499 0.00011898 deg
peri 164.7658651981703 0.00011951 deg
M 227.0313400283731 1.6469e-05 deg
tp 2459650.464549508235
(2022-Mar-11.96454951)
8.624e-05 TDB
period 1759.71719857065
4.82
1.7671e-05
4.838e-08
d
yr
n .2045783267290982 2.0544e-09 deg/d
Q 3.555029203316548 2.38e-08 au
  Orbit Determination Parameters
   # obs. used (total)      707  
   data-arc span      15207 days (41.63 yr)  
   first obs. used      1978-10-28  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57071  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:35:48  

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

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