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JPL Small-Body Database Browser
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85558 (1998 AB3)
Classification: Main-belt Asteroid          SPK-ID: 2085558
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1522107906752167 5.1202e-08  
a 3.19083703982152 2.6156e-08 au
q 2.705157211074519 1.7367e-07 au
i 9.45106175455086 5.7203e-06 deg
node 304.6229657584408 3.6801e-05 deg
peri 105.4290636430854 4.2065e-05 deg
M 307.002257162845 2.0473e-05 deg
tp 2458906.985714625263
(2020-Feb-27.48571463)
0.00011942 TDB
period 2081.878422711665
5.70
2.5598e-05
7.008e-08
d
yr
n .1729207604405145 2.1262e-09 deg/d
Q 3.676516868568521 3.0137e-08 au
  Orbit Determination Parameters
   # obs. used (total)      807  
   data-arc span      7971 days (21.82 yr)  
   first obs. used      1998-01-03  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52506  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:12:21  

Additional Information
 Earth MOID = 1.73505 au 
 Jupiter MOID = 1.76888 au 
 T_jup = 3.158 
[ 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 14.0   n/a MPO337903  
diameter diameter 7.918 km 0.260 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85558 (1998 AB3)          Discovered 1998-Jan-03 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 AB3 = 2002 XF15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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