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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
48894 (1998 KR56)
Classification: Main-belt Asteroid          SPK-ID: 2048894
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1643626464602292 4.0894e-08  
a 2.156296238994193 9.4264e-09 au
q 1.801881682600869 9.1945e-08 au
i 4.687120276912367 3.9924e-06 deg
node 171.7918597562568 5.6701e-05 deg
peri 160.0174213413258 5.8483e-05 deg
M 263.881269838355 1.7251e-05 deg
tp 2459309.292389983322
(2021-Apr-04.79238998)
5.6613e-05 TDB
period 1156.54108420957
3.17
7.5839e-06
2.076e-08
d
yr
n .3112729888415848 2.0411e-09 deg/d
Q 2.510710795387518 1.0976e-08 au
  Orbit Determination Parameters
   # obs. used (total)      964  
   data-arc span      7943 days (21.75 yr)  
   first obs. used      1998-05-01  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56052  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:16:09  

Additional Information
 Earth MOID = .792371 au 
 Jupiter MOID = 2.83867 au 
 T_jup = 3.679 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456103.5 (2012-Jun-25.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1643806551688394 4.0999e-08  
q 1.802508106473213 9.2279e-08 au
tp 2455838.977646586064
(2011-Oct-04.47764659)
4.649e-05 TDB
node 171.8409898946623 5.6706e-05 deg
peri 160.0062375370858 5.8474e-05 deg
i 4.685564280508606 3.9928e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      964  
   data-arc span      7943 days (21.75 yr)  
   first obs. used      1998-05-01  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56052  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:16:09  

Additional Information
 Jupiter MOID = 2.83867 au 
 T_jup = 3.679 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.680926343028129E-15 -3.772198973474557E-15 -4.755218895571003E-13 5.613310884938335E-15 -1.216152200086475E-13 -1.704089488329271E-15
q -3.772198973474557E-15 8.515467733533169E-15 1.110475602704369E-12 -1.267808363179575E-14 2.881418390411223E-13 4.14926728915758E-15
tp -4.755218895571003E-13 1.110475602704369E-12 2.161279061373494E-9 -4.249745196748987E-12 6.830156943809631E-10 4.265139355452391E-12
node 5.613310884938335E-15 -1.267808363179575E-14 -4.249745196748987E-12 3.215514770514904E-9 -3.205577674598627E-9 -1.376949886917556E-11
peri -1.216152200086475E-13 2.881418390411223E-13 6.830156943809631E-10 -3.205577674598627E-9 3.41925604121274E-9 1.500055674948638E-11
i -1.704089488329271E-15 4.14926728915758E-15 4.265139355452391E-12 -1.376949886917556E-11 1.500055674948638E-11 1.594267393262537E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO309529  

48894 (1998 KR56)          Discovered 1998-May-22 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 KR56 = 1999 XH214 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-27 19:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin