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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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1705101386383165 5.1526e-08  
a 2.52074289867569 9.7756e-09 au
q 2.090930677550947 1.3181e-07 au
i 3.498687171942395 3.2623e-06 deg
node 127.9779740624261 8.0789e-05 deg
peri 244.5209401431394 8.1215e-05 deg
M 249.4454841156861 1.0323e-05 deg
tp 2459845.416162589351
(2022-Sep-22.91616259)
4.3517e-05 TDB
period 1461.811100518747
4.00
8.5035e-06
2.328e-08
d
yr
n .246269849690051 1.4326e-09 deg/d
Q 2.950555119800434 1.1442e-08 au
  Orbit Determination Parameters
   # obs. used (total)      599  
   data-arc span      11194 days (30.65 yr)  
   first obs. used      1990-10-19  
   last obs. used      2021-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55346  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 09:17:35  

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 16.34   n/a MPO614063  

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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