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90823 (1995 SX45)
Classification: Main-belt Asteroid          SPK-ID: 2090823
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .182372416742081 5.3659e-08  
a 2.715409427555356 1.8496e-08 au
q 2.220193647807855 1.4399e-07 au
i 3.183958353613317 7.8492e-06 deg
node 347.4693968927108 9.3472e-05 deg
peri 59.51286096579589 9.6304e-05 deg
M 228.5109027449872 2.4824e-05 deg
tp 2459993.450955995433
(2023-Feb-17.95095600)
0.00011622 TDB
period 1634.373865550007
4.47
1.6699e-05
4.572e-08
d
yr
n .2202678393164658 2.2505e-09 deg/d
Q 3.210625207302857 2.1869e-08 au
  Orbit Determination Parameters
   # obs. used (total)      344  
   data-arc span      9915 days (27.15 yr)  
   first obs. used      1993-03-24  
   last obs. used      2020-05-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62914  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:42:07  

Additional Information
 Earth MOID = 1.23136 au 
 Jupiter MOID = 2.19716 au 
 T_jup = 3.335 
[ 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 16.43   n/a E2021B10  

90823 (1995 SX45)          Discovered 1995-Sep-26 by Spacewatch at Kitt Peak
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1995 SX45 = 2000 WK109 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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