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 ]  
48887 (1998 KM4)
Classification: Main-belt Asteroid          SPK-ID: 2048887
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1296370403976877 3.3029e-08  
a 2.274255812489306 8.0514e-09 au
q 1.979428019850954 7.3463e-08 au
i 5.169870108784701 3.3796e-06 deg
node 93.57214213204125 4.7603e-05 deg
peri 143.8484635120597 5.0625e-05 deg
M 152.797364776417 1.7059e-05 deg
tp 2458468.794980363679
(2018-Dec-16.29498036)
5.9048e-05 TDB
period 1252.729766309548
3.43
6.6525e-06
1.821e-08
d
yr
n .2873724323327402 1.5261e-09 deg/d
Q 2.569083605127658 9.0952e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1018  
   data-arc span      10401 days (28.48 yr)  
   first obs. used      1991-05-06  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55907  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:39:11  

Additional Information
 Earth MOID = .969848 au 
 Jupiter MOID = 2.43463 au 
 T_jup = 3.594 
[ 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 15.5   n/a MPO337648  

48887 (1998 KM4)          Discovered 1998-May-22 by LONEOS at Anderson Mesa
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-07 10:58 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin