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 ]  
109812 (2001 RO103)
Classification: Outer Main-belt Asteroid          SPK-ID: 2109812
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1208339050374406 4.4662e-08  
a 3.23765667649619 2.7036e-08 au
q 2.846437977104614 1.4898e-07 au
i 5.03767012946345 5.3813e-06 deg
node 50.87785128139247 5.0993e-05 deg
peri 302.2972519103531 5.557e-05 deg
M 1.850763426529794 2.0216e-05 deg
tp 2458589.560612012835
(2019-Apr-16.06061201)
0.00011951 TDB
period 2127.867678238862
5.83
2.6653e-05
7.297e-08
d
yr
n .1691834523742357 2.1192e-09 deg/d
Q 3.628875375887766 3.0303e-08 au
  Orbit Determination Parameters
   # obs. used (total)      564  
   data-arc span      7553 days (20.68 yr)  
   first obs. used      1999-03-22  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53136  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 10:18:02  

Additional Information
 Earth MOID = 1.84482 au 
 Jupiter MOID = 1.82 au 
 T_jup = 3.167 
[ 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 14.8   n/a MPO412774  
diameter diameter 5.543 km 0.948 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.083   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109812 (2001 RO103)          Discovered 2001-Sep-12 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-10 03:37 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin