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JPL Small-Body Database Browser
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85756 (1998 SD157)
Classification: Main-belt Asteroid          SPK-ID: 2085756
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0951241043250239 4.489e-08  
a 2.843052064709336 1.6357e-08 au
q 2.572609283504451 1.3091e-07 au
i 1.987845858228196 4.6964e-06 deg
node 20.01840746549297 0.00011917 deg
peri 340.8612537539221 0.00012093 deg
M 115.9760195885994 2.014e-05 deg
tp 2458036.419164635901
(2017-Oct-09.91916464)
9.7669e-05 TDB
period 1750.957667381762
4.79
1.511e-05
4.137e-08
d
yr
n .2056017725079067 1.7743e-09 deg/d
Q 3.113494845914222 1.7912e-08 au
  Orbit Determination Parameters
   # obs. used (total)      870  
   data-arc span      7493 days (20.51 yr)  
   first obs. used      1998-09-26  
   last obs. used      2019-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58486  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:03:00  

Additional Information
 Earth MOID = 1.56862 au 
 Jupiter MOID = 2.31242 au 
 T_jup = 3.301 
[ 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 14.9   n/a MPO337904  

85756 (1998 SD157)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 SD157 = 2001 FN192 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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