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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3537742848362548 1.1431e-07  
a 2.17453967559926 8.7585e-09 au
q 1.40524345701607 2.4963e-07 au
i 8.149449331567713 8.6041e-06 deg
node 81.21448847235166 6.2529e-05 deg
peri 264.3752219671454 6.6398e-05 deg
M 104.097714037297 1.256e-05 deg
tp 2457261.821113914018
(2015-Aug-27.32111391)
4.1089e-05 JED
period 1171.249533368903
3.21
7.0763e-06
1.937e-08
d
yr
n .3073640498831365 1.857e-09 deg/d
Q 2.94383589418245 1.1857e-08 au
  Orbit Determination Parameters
   # obs. used (total)      172  
   data-arc span      5984 days (16.38 yr)  
   first obs. used      1999-09-13  
   last obs. used      2016-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55766  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-26 10:49:18  

Additional Information
 Earth MOID = .430945 au 
 Jupiter MOID = 2.51591 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 17.4 mag n/a MPO360192  

229958 (1999 RD43)          Discovered 1999-Sep-13 by McNaught, R. H. at Siding Spring
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 2016-May-04 13:35 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin