Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1528984189208715 3.7993e-08  
a 3.192906864293216 2.0388e-08 au
q 2.704716452981185 1.2313e-07 au
i 9.450673841086433 4.9244e-06 deg
node 304.6169001696406 2.7727e-05 deg
peri 105.388328998091 3.3956e-05 deg
M 84.58887526646791 1.7651e-05 deg
tp 2458906.846850440925
(2020-Feb-27.34685044)
0.00010218 TDB
period 2083.904452990696
5.71
1.996e-05
5.465e-08
d
yr
n .1727526420337312 1.6546e-09 deg/d
Q 3.681097275605246 2.3505e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1171  
   data-arc span      8527 days (23.35 yr)  
   first obs. used      1998-01-03  
   last obs. used      2021-05-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48944  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:10:00  

Additional Information
 Earth MOID = 1.73459 au 
 Jupiter MOID = 1.76675 au 
 T_jup = 3.157 
[ 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 14.12   n/a MPCxxxxx  
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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-22 05:48 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin