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 ]  
101099 (1998 RK41)
Classification: Main-belt Asteroid          SPK-ID: 2101099
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04312683539418643 7.9544e-08  
a 2.883766205301669 2.4273e-08 au
q 2.759398494850307 2.2003e-07 au
i 11.28566091429609 6.2764e-06 deg
node 340.1944413195117 2.572e-05 deg
peri 31.36438200453344 6.8941e-05 deg
M 137.9216050771552 6.6882e-05 deg
tp 2458315.219615330177
(2018-Jul-15.71961533)		 0.00032938 TDB
period 1788.704085506608
4.90		 2.2584e-05
6.183e-08		 d
yr
n .2012630277511993 2.5411e-09 deg/d
Q 3.008133915753032 2.532e-08 au
   Orbit Determination Parameters
   # obs. used (total)      652  
   data-arc span      9739 days (26.66 yr)  
   first obs. used      1993-09-10  
   last obs. used      2020-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51746  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:02:25  

Additional Information
 Earth MOID = 1.76168 au 
 Jupiter MOID = 2.21348 au 
 T_jup = 3.263 
[ 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 15.0   n/a MPO417510  
diameter diameter 5.106 km 0.127 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.081   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101099 (1998 RK41)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 RK41 = 2003 RW9 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-19 16:45 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin