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 ]  
109806 (2001 RW101)
Classification: Main-belt Asteroid          SPK-ID: 2109806
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1884124450753442 3.7367e-08  
a 2.875017149768432 2.1546e-08 au
q 2.333328138947015 1.1262e-07 au
i 8.181307919382796 4.3709e-06 deg
node 135.8758236795092 4.2945e-05 deg
peri 180.6052187906479 4.6463e-05 deg
M 320.4035633454434 2.022e-05 deg
tp 2459196.345091134555
(2020-Dec-12.84509113)
0.00010128 TDB
period 1780.570141286347
4.87
2.0016e-05
5.48e-08
d
yr
n .202182431150914 2.2728e-09 deg/d
Q 3.416706160589849 2.5606e-08 au
  Orbit Determination Parameters
   # obs. used (total)      422  
   data-arc span      8714 days (23.86 yr)  
   first obs. used      1996-07-21  
   last obs. used      2020-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56633  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 01:33:36  

Additional Information
 Earth MOID = 1.31983 au 
 Jupiter MOID = 1.8952 au 
 T_jup = 3.255 
[ 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 15.5   n/a MPO432619  
diameter diameter 4.976 km 0.240 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.041   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109806 (2001 RW101)          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 2020-Jul-14 23:53 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin