Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
229958 (1999 RD43)
Classification: Mars-crossing Asteroid          SPK-ID: 2229958
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3538766457767821 2.017e-07  
a 2.174404249947737 4.5416e-08 AU
q 1.404933367413452 4.2025e-07 AU
i 8.149868810460154 1.6729e-05 deg
node 81.22002469787994 9.0549e-05 deg
peri 264.4031663387777 0.00011027 deg
M 218.1636061940305 8.9963e-05 deg
tp 2457261.917476012935
(2015-Aug-27.41747601)
0.00030654 JED
period 1171.14012072172
3.21
3.6692e-05
1.005e-07
d
yr
n .3073927650759232 9.6307e-09 deg/d
Q 2.943875132482022 6.1488e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      86  
   data-arc span      5313 days (14.55 yr)  
   first obs. used      1999-09-13  
   last obs. used      2014-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .61442  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-11 23:53:41  

Additional Information
 Earth MOID = .430302 AU 
 T_jup = 3.590 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3 mag n/a MPO251634  

229958 (1999 RD43)          Discovered 1999-Sep-13 by McNaught, R. H. at Siding Spring (413)
Reference: 20100130/Numbers.arcLast Updated: 2010-02-01

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Jul-30 17:11 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin