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 ]  
35639 (1998 KY49)
Classification: Main-belt Asteroid          SPK-ID: 2035639
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08929776044169892 4.4218e-08  
a 3.001719258083208 2.0109e-08 au
q 2.733672450861659 1.3792e-07 au
i 10.66766654343105 5.1294e-06 deg
node 129.8113435788381 2.6115e-05 deg
peri 202.1620790062124 3.8871e-05 deg
M 287.7753978788959 2.9246e-05 deg
tp 2458981.597580397835
(2020-May-12.09758040)
0.0001545 TDB
period 1899.562267067609
5.20
1.9088e-05
5.226e-08
d
yr
n .1895173463072305 1.9044e-09 deg/d
Q 3.269766065304756 2.1904e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1069  
   data-arc span      10475 days (28.68 yr)  
   first obs. used      1990-12-19  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55716  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:55:55  

Additional Information
 Earth MOID = 1.72449 au 
 Jupiter MOID = 2.05005 au 
 T_jup = 3.220 
[ 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 14.0   n/a MPO358957  
diameter diameter 6.436 km 0.921 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.117   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

35639 (1998 KY49)          Discovered 1998-May-23 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 KY49 = 1999 RV245 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Oct-20 12:54 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin