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 ]  
85631 (1998 KX49)
Classification: Main-belt Asteroid          SPK-ID: 2085631
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1754588796180349 4.6184e-08  
a 2.793587756434966 2.2247e-08 au
q 2.303427978576227 1.2671e-07 au
i 15.07139510069756 5.2075e-06 deg
node 103.1034205655983 1.9817e-05 deg
peri 185.7211462726177 2.5062e-05 deg
M 222.6204265717892 1.7756e-05 deg
tp 2459651.321014591558
(2022-Mar-12.82101459)
8.7822e-05 TDB
period 1705.461440928077
4.67
2.0372e-05
5.578e-08
d
yr
n .2110865665799489 2.5215e-09 deg/d
Q 3.283747534293705 2.615e-08 au
  Orbit Determination Parameters
   # obs. used (total)      673  
   data-arc span      7950 days (21.77 yr)  
   first obs. used      1998-05-23  
   last obs. used      2020-02-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60283  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:39:00  

Additional Information
 Earth MOID = 1.28749 au 
 Jupiter MOID = 1.9015 au 
 T_jup = 3.256 
[ 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 14.8   n/a MPO493476  

85631 (1998 KX49)          Discovered 1998-May-23 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 KX49 = 2003 ML11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-19 03:03 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin