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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 | 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 .1835253665404639 3.1656e-08  
a 2.308635412124085 6.5299e-09 au
q 1.884942251905718 7.332e-08 au
i 6.64113968479907 5.5105e-06 deg
node 357.7902315707239 2.8073e-05 deg
peri 292.697122678981 3.2474e-05 deg
M 116.2341952799417 1.4864e-05 deg
tp 2458586.821577318200
(2019-Apr-13.32157732)
5.2741e-05 TDB
period 1281.242854624448
3.51
5.4359e-06
1.488e-08
d
yr
n .2809771767316678 1.1921e-09 deg/d
Q 2.732328572342453 7.7283e-09 au
  Orbit Determination Parameters
   # obs. used (total)      808  
   data-arc span      10325 days (28.27 yr)  
   first obs. used      1991-09-15  
   last obs. used      2019-12-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55062  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:39:50  

Additional Information
 Earth MOID = .881091 au 
 Jupiter MOID = 2.48244 au 
 T_jup = 3.555 
[ 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 15.8   n/a MPO502666  

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

[ show close-approach data ]
Alternate Designations
 1998 SP43 = 2001 LU4 = 2004 DT32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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