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85711 (1998 SP43)
Classification: Main-belt Asteroid          SPK-ID: 2085711
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1833567167859844 3.1552e-08  
a 2.309053015897822 6.3759e-09 au
q 1.885672636018022 7.299e-08 au
i 6.641454648032124 4.3291e-06 deg
node 357.7784504013135 2.7632e-05 deg
peri 292.7838660479671 3.0134e-05 deg
M 227.381587504629 1.2284e-05 deg
tp 2459868.618053242213
(2022-Oct-16.11805324)
4.4425e-05 TDB
period 1281.590511974565
3.51
5.3082e-06
1.453e-08
d
yr
n .2809009559889319 1.1635e-09 deg/d
Q 2.732433395777623 7.5449e-09 au
  Orbit Determination Parameters
   # obs. used (total)      908  
   data-arc span      10792 days (29.55 yr)  
   first obs. used      1991-09-15  
   last obs. used      2021-04-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54515  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:26:49  

Additional Information
 Earth MOID = .881427 au 
 Jupiter MOID = 2.48079 au 
 T_jup = 3.554 
[ 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 15.81   n/a MPCxxxxx  

85711 (1998 SP43)          Discovered 1998-Sep-25 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1998 SP43 = 2001 LU4 = 2004 DT32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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