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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1556991796088387 4.885e-08  
a 2.337619269127754 1.1683e-08 au
q 1.97365386668675 1.1344e-07 au
i 3.678486878468953 5.3523e-06 deg
node 30.6413753329467 7.2074e-05 deg
peri 329.4542678954964 7.3578e-05 deg
M 36.9131493306177 1.7941e-05 deg
tp 2458866.644046049152
(2020-Jan-18.14404605)
6.4503e-05 TDB
period 1305.446549431523
3.57
9.7866e-06
2.679e-08
d
yr
n .2757677058143572 2.0674e-09 deg/d
Q 2.701584671568759 1.3502e-08 au
  Orbit Determination Parameters
   # obs. used (total)      477  
   data-arc span      9163 days (25.09 yr)  
   first obs. used      1993-03-20  
   last obs. used      2018-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55566  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 04:55:59  

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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