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 ]  
13813 (1998 YX)
Classification: Main-belt Asteroid          SPK-ID: 2013813
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08746102427828827 2.1795e-08  
a 3.010064124124779 1.5895e-08 au
q 2.746800832685497 6.8378e-08 au
i 11.68723383635733 7.6684e-07 deg
node 99.22649121999578 4.8347e-06 deg
peri 323.3821845379528 1.0683e-05 deg
M 108.2763291479857 9.586e-06 deg
tp 2458626.789139744159
(2019-May-23.28913974)
4.8709e-05 TDB
period 1907.489026616533
5.22
1.5109e-05
4.137e-08
d
yr
n .1887297882067301 1.4949e-09 deg/d
Q 3.273327415564061 1.7285e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2336  
   data-arc span      13963 days (38.23 yr)  
   first obs. used      1982-12-22  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42901  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:08:33  

Additional Information
 Earth MOID = 1.76998 au 
 Jupiter MOID = 1.99127 au 
 T_jup = 3.213 
[ 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 12.53   n/a E2021B10  
rotation period rot_per 5.401 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

13813 (1998 YX)          Discovered 1998-Dec-16 by Kobayashi, T. at Oizumi
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 YX = 1982 YP2 = 1983 AA4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-19 13:41 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin