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 ]  
56049 (1998 XA44)
Classification: Main-belt Asteroid          SPK-ID: 2056049
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2512655216488817 7.5949e-08  
a 2.558186904723842 1.5125e-08 au
q 1.915402737633068 2.0379e-07 au
i 4.538457698161779 4.8912e-06 deg
node 45.08707363527137 5.1813e-05 deg
peri 350.6683486164241 5.3108e-05 deg
M 22.23661272931405 1.3026e-05 deg
tp 2458508.186978563262
(2019-Jan-24.68697856)
5.3397e-05 TDB
period 1494.503147658624
4.09
1.3254e-05
3.629e-08
d
yr
n .2408827312033414 2.1363e-09 deg/d
Q 3.200971071814616 1.8925e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1799  
   data-arc span      8300 days (22.72 yr)  
   first obs. used      1996-04-18  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46801  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:23:05  

Additional Information
 Earth MOID = .921994 au 
 Jupiter MOID = 2.23039 au 
 T_jup = 3.387 
[ 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 14.9   n/a MPO412547  
diameter diameter 2.884 km 0.158 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.147   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56049 (1998 XA44)          Discovered 1998-Dec-14 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 XA44 = 2000 GF165 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-25 08:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin