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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
74771 (1999 RX224)
Classification: Main-belt Asteroid          SPK-ID: 2074771
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1323345501874909 5.0392e-08  
a 2.355362536610274 1.3687e-08 au
q 2.043666694799486 1.1801e-07 au
i 3.788881909165202 7.6791e-06 deg
node 334.9305051947198 7.4655e-05 deg
peri 299.9130106867412 8.0326e-05 deg
M 211.9802097320482 3.0792e-05 deg
tp 2459143.378141114082
(2020-Oct-20.87814111)
0.00011406 TDB
period 1320.3378443334
3.61
1.1509e-05
3.151e-08
d
yr
n .2726574880399292 2.3766e-09 deg/d
Q 2.667058378421062 1.5498e-08 au
  Orbit Determination Parameters
   # obs. used (total)      296  
   data-arc span      9098 days (24.91 yr)  
   first obs. used      1994-01-19  
   last obs. used      2018-12-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66262  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:14:58  

Additional Information
 Earth MOID = 1.03005 au 
 Jupiter MOID = 2.44467 au 
 T_jup = 3.540 
[ 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 16.6   n/a MPO375517  

74771 (1999 RX224)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RX224 = 2002 JJ109 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-11 23:28 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin