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 ]  
91473 (1999 RJ95)
Classification: Main-belt Asteroid          SPK-ID: 2091473
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09612802829786321 4.5644e-08  
a 2.914927381406485 1.5062e-08 au
q 2.634721159600426 1.3567e-07 au
i 2.802545448567227 5.3503e-06 deg
node 170.1279425341897 7.8953e-05 deg
peri 239.1980060470062 8.3677e-05 deg
M 19.5897133892603 2.5141e-05 deg
tp 2458901.584211379392
(2020-Feb-22.08421138)
0.00012695 TDB
period 1817.774624663023
4.98
1.4089e-05
3.857e-08
d
yr
n .1980443533074054 1.535e-09 deg/d
Q 3.195133603212543 1.651e-08 au
  Orbit Determination Parameters
   # obs. used (total)      966  
   data-arc span      7427 days (20.33 yr)  
   first obs. used      1999-09-07  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54447  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 14:03:09  

Additional Information
 Earth MOID = 1.64619 au 
 Jupiter MOID = 2.13697 au 
 T_jup = 3.273 
[ 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 14.9   n/a MPO309820  

91473 (1999 RJ95)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 RJ95 = 2000 YJ96 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-15 14:21 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin