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 ]  
243098 (2007 RX21)
Classification: Main-belt Asteroid          SPK-ID: 2243098
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09270473442053428 5.7119e-08  
a 2.725883375295392 3.2629e-08 au
q 2.473181080927283 1.6858e-07 au
i 12.30414307824439 1.0423e-05 deg
node 3.981123230622064 2.8338e-05 deg
peri 279.5797593431696 6.1714e-05 deg
M 355.3356350094156 5.5239e-05 deg
tp 2459021.798516737779
(2020-Jun-21.29851674)
0.00025228 TDB
period 1643.839202351925
4.50
2.9515e-05
8.081e-08
d
yr
n .2189995222677069 3.9321e-09 deg/d
Q 2.978585669663501 3.5654e-08 au
  Orbit Determination Parameters
   # obs. used (total)      293  
   data-arc span      6596 days (18.06 yr)  
   first obs. used      2001-03-20  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59465  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:31:08  

Additional Information
 Earth MOID = 1.49428 au 
 Jupiter MOID = 2.22696 au 
 T_jup = 3.317 
[ 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 15.8   n/a MPO288018  
diameter diameter 3.381 km 0.625 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.081   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243098 (2007 RX21)          Discovered 2007-Sep-03 by CSS at Catalina
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

Alternate Designations
 2007 RX21 = 2001 FB131 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-28 12:25 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin