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52942 (1998 SU139)
Classification: Main-belt Asteroid          SPK-ID: 2052942
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1269976285946242 4.7083e-08  
a 2.23332234503594 7.3051e-09 au
q 1.949695703328991 1.0539e-07 au
i 4.991665579842378 3.9675e-06 deg
node 253.0304307216118 5.3568e-05 deg
peri 139.9676097653161 5.5611e-05 deg
M 226.5663368557198 1.4985e-05 deg
tp 2459652.343929288499
(2022-Mar-13.84392929)
5.1237e-05 TDB
period 1219.061297657498
3.34
5.9812e-06
1.638e-08
d
yr
n .2953091864139747 1.4489e-09 deg/d
Q 2.516948986742889 8.2328e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1102  
   data-arc span      7942 days (21.74 yr)  
   first obs. used      1998-09-26  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52516  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:49:10  

Additional Information
 Earth MOID = .958163 au 
 Jupiter MOID = 2.88496 au 
 T_jup = 3.625 
[ 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 15.29   n/a E2021B10  

52942 (1998 SU139)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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