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101316 (1998 SS145)
Classification: Main-belt Asteroid          SPK-ID: 2101316
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2202041401940165 3.4124e-08  
a 2.349725635307008 8.8573e-09 au
q 1.832306322092389 8.0846e-08 au
i 2.647116292223885 5.171e-06 deg
node 22.0298814465814 8.3995e-05 deg
peri 303.0623310983277 8.5114e-05 deg
M 97.17107149618246 1.3428e-05 deg
tp 2458845.393476728547
(2019-Dec-27.89347673)
4.7988e-05 TDB
period 1315.600892419359
3.60
7.4387e-06
2.037e-08
d
yr
n .2736392184547463 1.5472e-09 deg/d
Q 2.867144948521626 1.0808e-08 au
  Orbit Determination Parameters
   # obs. used (total)      510  
   data-arc span      8155 days (22.33 yr)  
   first obs. used      1998-09-20  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59335  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:36:13  

Additional Information
 Earth MOID = .820167 au 
 Jupiter MOID = 2.47385 au 
 T_jup = 3.524 
[ 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 16.4   n/a MPO436473  

101316 (1998 SS145)          Discovered 1998-Sep-20 by Elst, E. W. at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 SS145 = 1998 UJ39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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