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85751 (1998 SU144)
Classification: Main-belt Asteroid          SPK-ID: 2085751
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1556991883510861 4.2979e-08  
a 2.337619266469175 1.0288e-08 au
q 1.973653844006063 1.0092e-07 au
i 3.678487228968184 4.8025e-06 deg
node 30.64136714217074 7.0661e-05 deg
peri 329.4542788879007 7.2105e-05 deg
M 36.91314960181883 1.6363e-05 deg
tp 2458866.644045294063
(2020-Jan-18.14404529)
5.8924e-05 TDB
period 1305.446547204493
3.57
8.6178e-06
2.359e-08
d
yr
n .275767706284804 1.8204e-09 deg/d
Q 2.701584688932287 1.1889e-08 au
  Orbit Determination Parameters
   # obs. used (total)      514  
   data-arc span      10084 days (27.61 yr)  
   first obs. used      1993-03-20  
   last obs. used      2020-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56368  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:59:56  

Additional Information
 Earth MOID = .971584 au 
 Jupiter MOID = 2.74663 au 
 T_jup = 3.547 
[ 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 16.1   n/a MPO436374  

85751 (1998 SU144)          Discovered 1998-Sep-20 by Elst, E. W. at La Silla
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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