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129448 (1989 SX1)
Classification: Main-belt Asteroid          SPK-ID: 2129448
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2469684582278635 3.7852e-08  
a 2.351719975988833 1.0083e-08 au
q 1.770919319335203 8.7908e-08 au
i 6.319873115958673 4.1972e-06 deg
node 48.86738656501039 4.2951e-05 deg
peri 324.0839258550512 4.3924e-05 deg
M 179.0874279233927 9.2271e-06 deg
tp 2458345.201102227178
(2018-Aug-14.70110223)
3.2536e-05 TDB
period 1317.276181436527
3.61
8.4719e-06
2.319e-08
d
yr
n .2732912088392957 1.7576e-09 deg/d
Q 2.932520632642464 1.2574e-08 au
  Orbit Determination Parameters
   # obs. used (total)      552  
   data-arc span      11166 days (30.57 yr)  
   first obs. used      1989-09-26  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48825  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:44:23  

Additional Information
 Earth MOID = .776584 au 
 Jupiter MOID = 2.53562 au 
 T_jup = 3.508 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO469350  

129448 (1989 SX1)          Discovered 1989-Sep-26 by Elst, E. W. at La Silla
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Alternate Designations
 1989 SX1 = 2000 UV79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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