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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2461015339047344 6.4768e-08  
a 2.853701417127922 1.8816e-08 au
q 2.151401121066626 1.8095e-07 au
i 1.834410401047533 6.9065e-06 deg
node 218.9102096482898 0.00011903 deg
peri 164.6816127536068 0.00011956 deg
M 268.0462100186065 1.6852e-05 deg
tp 2459650.257440075586
(2022-Mar-11.75744008)
8.6342e-05 TDB
period 1760.804839691474
4.82
1.7415e-05
4.768e-08
d
yr
n .2044519596294832 2.0221e-09 deg/d
Q 3.556001713189219 2.3446e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57071  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:11:42  

Additional Information
 Earth MOID = 1.15381 au 
 Jupiter MOID = 1.90548 au 
 T_jup = 3.258 
[ 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 15.13   n/a E2021B10  

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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