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
JPL Small-Body Database Browser
Search: [ help ]  
46798 (1998 KU4)
Classification: Main-belt Asteroid          SPK-ID: 2046798
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1503032086835576 4.891e-08  
a 2.290427345653096 8.2734e-09 au
q 1.946168766344872 1.1163e-07 au
i 7.725888114738325 4.1455e-06 deg
node 75.10249127938934 3.8345e-05 deg
peri 272.8310285229607 4.0587e-05 deg
M 37.32990403397121 1.5089e-05 deg
tp 2458869.211229946939
(2020-Jan-20.71122995)
5.2893e-05 TDB
period 1266.11515465163
3.47
6.8602e-06
1.878e-08
d
yr
n .2843343266821994 1.5406e-09 deg/d
Q 2.634685924961321 9.517e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1187  
   data-arc span      10651 days (29.16 yr)  
   first obs. used      1991-06-07  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57064  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 04:23:54  

Additional Information
 Earth MOID = .9582 au 
 Jupiter MOID = 2.79244 au 
 T_jup = 3.572 
[ 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 14.6   n/a MPO439412  

46798 (1998 KU4)          Discovered 1998-May-22 by LONEOS at Anderson Mesa
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 KU4 = 1999 VS52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-20 21:18 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin