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 ]  
43189 (1999 XR240)
Classification: Main-belt Asteroid          SPK-ID: 2043189
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09752925101098774 4.8476e-08  
a 2.756713904739167 1.3237e-08 au
q 2.487853662358381 1.3449e-07 au
i 3.471829709558285 5.6377e-06 deg
node 204.8413250233885 5.5872e-05 deg
peri 140.2007268816229 5.991e-05 deg
M 283.6794951536633 2.3125e-05 deg
tp 2459554.925291978163
(2021-Dec-06.42529198)
0.00010826 TDB
period 1671.80635622149
4.58
1.2041e-05
3.297e-08
d
yr
n .2153359440585267 1.5509e-09 deg/d
Q 3.025574147119953 1.4528e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1025  
   data-arc span      10342 days (28.31 yr)  
   first obs. used      1992-03-01  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56438  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:17:03  

Additional Information
 Earth MOID = 1.47996 au 
 Jupiter MOID = 2.34106 au 
 T_jup = 3.334 
[ 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 14.76   n/a E2021B10  
diameter diameter 3.951 km 1.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.136   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43189 (1999 XR240)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XR240 = 1992 EE34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-24 11:28 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin