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JPL Small-Body Database Browser
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85755 (1998 SK156)
Classification: Main-belt Asteroid          SPK-ID: 2085755
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1072895468339558 5.6112e-08  
a 2.779136241746127 2.094e-08 au
q 2.480963973779362 1.58e-07 au
i 4.009594585667885 6.6618e-06 deg
node 14.90666693422436 7.0427e-05 deg
peri 28.56180744286911 7.4908e-05 deg
M 133.2804218189849 2.7646e-05 deg
tp 2457973.991393647539
(2017-Aug-08.49139365)
0.00012662 TDB
period 1692.244781406889
4.63
1.9126e-05
5.236e-08
d
yr
n .2127351810774711 2.4044e-09 deg/d
Q 3.077308509712892 2.3187e-08 au
  Orbit Determination Parameters
   # obs. used (total)      605  
   data-arc span      7514 days (20.57 yr)  
   first obs. used      1998-09-14  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60501  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:44:40  

Additional Information
 Earth MOID = 1.48986 au 
 Jupiter MOID = 2.29952 au 
 T_jup = 3.322 
[ 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 15.3   n/a MPO385351  

85755 (1998 SK156)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1998 SK156 = 2002 NJ47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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