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 ]  
154857 (2004 RG68)
Classification: Main-belt Asteroid          SPK-ID: 2154857
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2077423843859867 4.7151e-08  
a 2.805652871432511 1.8713e-08 au
q 2.222799854161731 1.338e-07 au
i 4.886066521108922 5.0065e-06 deg
node 24.38554662273212 5.7933e-05 deg
peri 330.5494407556937 5.8836e-05 deg
M 125.795821418978 1.1196e-05 deg
tp 2458400.690904641161
(2018-Oct-09.19090464)
5.2042e-05 TDB
period 1716.52183588831
4.70
1.7173e-05
4.702e-08
d
yr
n .209726431947018 2.0982e-09 deg/d
Q 3.388505888703291 2.2601e-08 au
  Orbit Determination Parameters
   # obs. used (total)      567  
   data-arc span      7509 days (20.56 yr)  
   first obs. used      1999-07-14  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48509  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 09:34:46  

Additional Information
 Earth MOID = 1.21995 au 
 Jupiter MOID = 2.05862 au 
 T_jup = 3.286 
[ 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 15.4   n/a MPO351937  
diameter diameter 4.663 km 0.132 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

154857 (2004 RG68)          Discovered 2004-Sep-08 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Alternate Designations
 2004 RG68 = 2002 FP40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Mar-31 14:28 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin