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101209 (1998 SL48)
Classification: Main-belt Asteroid          SPK-ID: 2101209
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09061676889341938 4.6658e-08  
a 2.758226678554813 2.0284e-08 au
q 2.508285089068548 1.2818e-07 au
i 9.166140997959284 4.8809e-06 deg
node 21.80669388584021 3.2579e-05 deg
peri 119.8303912351795 4.2753e-05 deg
M 159.624268703264 2.7504e-05 deg
tp 2458258.609552947953
(2018-May-20.10955295)
0.00012634 TDB
period 1673.18267521858
4.58
1.8457e-05
5.053e-08
d
yr
n .2151588139967865 2.3735e-09 deg/d
Q 3.008168268041078 2.2122e-08 au
  Orbit Determination Parameters
   # obs. used (total)      449  
   data-arc span      8022 days (21.96 yr)  
   first obs. used      1998-09-27  
   last obs. used      2020-09-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6049  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:01:50  

Additional Information
 Earth MOID = 1.53455 au 
 Jupiter MOID = 2.01342 au 
 T_jup = 3.318 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO474886  

101209 (1998 SL48)          Discovered 1998-Sep-27 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 SL48 = 2003 YB10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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