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 ]  
187849 (1999 XM248)
Classification: Main-belt Asteroid          SPK-ID: 2187849
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2004577886534634 3.766e-08  
a 2.280193345511828 1.0769e-08 au
q 1.823110829768184 8.5122e-08 au
i 6.703644855885834 4.9357e-06 deg
node 203.1428559263253 3.9124e-05 deg
peri 218.7258288812553 4.1278e-05 deg
M 47.49081183953061 1.3843e-05 deg
tp 2459034.593641625024
(2020-Jul-04.09364162)
4.8015e-05 TDB
period 1257.638829523569
3.44
8.9096e-06
2.439e-08
d
yr
n .2862507037385118 2.0279e-09 deg/d
Q 2.737275861255471 1.2928e-08 au
  Orbit Determination Parameters
   # obs. used (total)      448  
   data-arc span      7824 days (21.42 yr)  
   first obs. used      1999-10-10  
   last obs. used      2021-03-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49506  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:57:05  

Additional Information
 Earth MOID = .840237 au 
 Jupiter MOID = 2.61166 au 
 T_jup = 3.570 
[ 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 16.8   n/a MPO494036  

187849 (1999 XM248)          Discovered 1999-Dec-06 by LINEAR at Socorro
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-18 16:02 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin