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 ]  
59149 (1998 XA84)
Classification: Main-belt Asteroid          SPK-ID: 2059149
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06932320759371727 4.6012e-08  
a 2.251052024118398 9.4256e-09 au
q 2.095001877346181 1.0651e-07 au
i 2.767256701543524 4.5254e-06 deg
node 132.942281245721 8.5388e-05 deg
peri 13.75162862524265 9.0362e-05 deg
M 70.22297466201549 3.1587e-05 deg
tp 2458759.867963480838
(2019-Oct-03.36796348)
0.00010773 TDB
period 1233.606715805449
3.38
7.748e-06
2.121e-08
d
yr
n .2918272050464221 1.8329e-09 deg/d
Q 2.407102170890616 1.0079e-08 au
  Orbit Determination Parameters
   # obs. used (total)      790  
   data-arc span      10309 days (28.22 yr)  
   first obs. used      1991-11-08  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57571  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:43:30  

Additional Information
 Earth MOID = 1.10674 au 
 Jupiter MOID = 2.57927 au 
 T_jup = 3.622 
[ 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 16.0   n/a MPO452971  
diameter diameter 3.482 km 0.226 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.070   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59149 (1998 XA84)          Discovered 1998-Dec-15 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 XA84 = 2000 NV = 2001 SC247 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-07 20:09 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin