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 ]  
160558 (1998 RL51)
Classification: Main-belt Asteroid          SPK-ID: 2160558
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2194364262777174 5.1006e-08  
a 2.734643909195884 2.0169e-08 au
q 2.134563422619812 1.4782e-07 au
i 5.342422339250518 5.4671e-06 deg
node 297.2813428690885 6.648e-05 deg
peri 8.60055626478211 6.8069e-05 deg
M 4.953077782886131 1.3697e-05 deg
tp 2459177.774039446201
(2020-Nov-24.27403945)
6.281e-05 TDB
period 1651.770102952119
4.52
1.8273e-05
5.003e-08
d
yr
n .2179480058130314 2.4111e-09 deg/d
Q 3.334724395771955 2.4595e-08 au
  Orbit Determination Parameters
   # obs. used (total)      478  
   data-arc span      8007 days (21.92 yr)  
   first obs. used      1998-09-14  
   last obs. used      2020-08-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6519  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 12:26:34  

Additional Information
 Earth MOID = 1.1177 au 
 Jupiter MOID = 1.92564 au 
 T_jup = 3.311 
[ 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 15.87   n/a E2021B55  

160558 (1998 RL51)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ show close-approach data ]
Alternate Designations
 1998 RL51 = 2003 WY29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-11 14:26 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin