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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1572590799913553 5.9868e-08  
a 2.137083752459568 9.1317e-09 au
q 1.801007927683302 1.2466e-07 au
i 2.369350258736005 6.1958e-06 deg
node 193.6545837711042 0.00013279 deg
peri 168.4198600839066 0.00013531 deg
M 337.3057376025683 3.1154e-05 deg
tp 2459072.435673140569
(2020-Aug-10.93567314)
9.9085e-05 TDB
period 1141.118485240367
3.12
7.314e-06
2.002e-08
d
yr
n .3154799476622001 2.0221e-09 deg/d
Q 2.473159577235833 1.0568e-08 au
  Orbit Determination Parameters
   # obs. used (total)      219  
   data-arc span      9653 days (26.43 yr)  
   first obs. used      1992-11-26  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5445  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:37:49  

Additional Information
 Earth MOID = .798298 au 
 Jupiter MOID = 2.97958 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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