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JPL Small-Body Database Browser
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85728 (1998 SR75)
Classification: Main-belt Asteroid          SPK-ID: 2085728
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1578486756656425 5.9979e-08  
a 2.136841073947904 8.8738e-09 au
q 1.799543540317278 1.2509e-07 au
i 2.369849888418663 6.2021e-06 deg
node 193.693073000161 0.00013517 deg
peri 168.4590208695268 0.00013765 deg
M 211.0887930536863 3.0555e-05 deg
tp 2459072.434410240755
(2020-Aug-10.93441024)
9.8913e-05 TDB
period 1140.92411961931
3.12
7.107e-06
1.946e-08
d
yr
n .3155336922144484 1.9655e-09 deg/d
Q 2.47413860757853 1.0275e-08 au
  Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      9646 days (26.41 yr)  
   first obs. used      1992-11-26  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54634  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:01:25  

Additional Information
 Earth MOID = .795979 au 
 Jupiter MOID = 2.97526 au 
 T_jup = 3.700 
[ 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 17.7   n/a MPO432400  

85728 (1998 SR75)          Discovered 1998-Sep-17 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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