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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
79603 (1998 RK44)
Classification: Main-belt Asteroid          SPK-ID: 2079603
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .254686164725521 4.0461e-08  
a 2.370063087071812 9.163e-09 au
q 1.766440809267964 9.2942e-08 au
i 9.342301400048909 5.0799e-06 deg
node 148.5674441344976 2.5309e-05 deg
peri 162.0241728898703 2.6962e-05 deg
M 113.2617148913554 1.016e-05 deg
tp 2458977.205738545838
(2020-May-07.70573855)
3.6946e-05 TDB
period 1332.718070429101
3.65
7.7287e-06
2.116e-08
d
yr
n .2701246482566935 1.5665e-09 deg/d
Q 2.973685364875661 1.1497e-08 au
  Orbit Determination Parameters
   # obs. used (total)      974  
   data-arc span      8198 days (22.44 yr)  
   first obs. used      1998-08-23  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50001  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:09:09  

Additional Information
 Earth MOID = .754411 au 
 Jupiter MOID = 2.336 au 
 T_jup = 3.483 
[ 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 15.78   n/a MPCxxxxx  
diameter diameter 4.377 km 1.119 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.028   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

79603 (1998 RK44)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1998 RK44 = 2001 FA129 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-21 21:46 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin