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 ]  
249020 (2007 RC171)
Classification: Main-belt Asteroid          SPK-ID: 2249020
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1031469986198537 6.0134e-08  
a 3.114235135419551 3.617e-08 au
q 2.793011128204531 1.9051e-07 au
i 9.414937182981598 8.7971e-06 deg
node 152.0804935619838 3.7808e-05 deg
peri 80.59300815327347 5.6871e-05 deg
M 149.0887768359644 4.4705e-05 deg
tp 2457769.180480188181
(2017-Jan-15.68048019)		 0.00024413 TDB
period 2007.361207755655
5.50		 3.4971e-05
9.575e-08		 d
yr
n .1793399207920834 3.1244e-09 deg/d
Q 3.435459142634571 3.99e-08 au
   Orbit Determination Parameters
   # obs. used (total)      155  
   data-arc span      7113 days (19.47 yr)  
   first obs. used      2000-05-05  
   last obs. used      2019-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60571  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:43:41  

Additional Information
 Earth MOID = 1.80291 au 
 Jupiter MOID = 1.63167 au 
 T_jup = 3.189 
[ 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 15.9   n/a MPO460089  
diameter diameter 4.177 km 0.417 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249020 (2007 RC171)          Discovered 2007-Sep-10 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2007 RC171 = 2002 UG54 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-19 02:27 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin