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118294 (1998 SQ75)
Classification: Main-belt Asteroid          SPK-ID: 2118294
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1470842101406603 3.351e-08  
a 2.289829937273595 9.7763e-09 au
q 1.953032109593271 7.5868e-08 au
i 6.276898289661968 4.0617e-06 deg
node 188.4833664929696 3.3238e-05 deg
peri 129.234438037523 3.584e-05 deg
M 189.9754285153296 1.3709e-05 deg
tp 2459798.240191849731
(2022-Aug-06.74019185)
4.9555e-05 TDB
period 1265.619828868704
3.47
8.1053e-06
2.219e-08
d
yr
n .2844456066414447 1.8216e-09 deg/d
Q 2.626627764953919 1.1214e-08 au
  Orbit Determination Parameters
   # obs. used (total)      624  
   data-arc span      8158 days (22.34 yr)  
   first obs. used      1998-09-17  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51316  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:19:22  

Additional Information
 Earth MOID = .945474 au 
 Jupiter MOID = 2.67059 au 
 T_jup = 3.577 
[ 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 16.3   n/a MPO502793  

118294 (1998 SQ75)          Discovered 1998-Sep-17 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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