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136998 (1998 SG75)
Classification: Main-belt Asteroid          SPK-ID: 2136998
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .170510112248573 4.9854e-08  
a 2.520742899444681 9.7449e-09 au
q 2.090930744710576 1.277e-07 au
i 3.498688018477169 3.1692e-06 deg
node 127.9779903836523 7.8791e-05 deg
peri 244.5209269922975 7.9221e-05 deg
M 249.4454820929165 1.0291e-05 deg
tp 2459845.416171008404
(2022-Sep-22.91617101)
4.3386e-05 TDB
period 1461.811101187669
4.00
8.4768e-06
2.321e-08
d
yr
n .2462698495773584 1.4281e-09 deg/d
Q 2.950555054178787 1.1406e-08 au
  Orbit Determination Parameters
   # obs. used (total)      608  
   data-arc span      11242 days (30.78 yr)  
   first obs. used      1990-10-19  
   last obs. used      2021-07-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56012  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:56:32  

Additional Information
 Earth MOID = 1.09311 au 
 Jupiter MOID = 2.51764 au 
 T_jup = 3.433 
[ 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 16.35   n/a MPO637679  

136998 (1998 SG75)          Discovered 1998-Sep-21 by Elst, E. W. at La Silla
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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