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 ]  
70399 (1999 RQ240)
Classification: Main-belt Asteroid          SPK-ID: 2070399
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2339568440376943 5.7227e-08  
a 2.605068543298765 1.6909e-08 au
q 1.995594928406712 1.5523e-07 au
i 14.80061211416909 6.9802e-06 deg
node 53.62275874705999 1.6881e-05 deg
peri 24.04427251509748 2.1495e-05 deg
M 278.6813839066706 1.3705e-05 deg
tp 2459347.408257287268
(2021-May-12.90825729)
6.0326e-05 TDB
period 1535.77346274663
4.20
1.4953e-05
4.094e-08
d
yr
n .2344095719404889 2.2823e-09 deg/d
Q 3.214542158190817 2.0866e-08 au
  Orbit Determination Parameters
   # obs. used (total)      685  
   data-arc span      9068 days (24.83 yr)  
   first obs. used      1995-11-23  
   last obs. used      2020-09-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48568  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 18:39:57  

Additional Information
 Earth MOID = 1.01838 au 
 Jupiter MOID = 2.14169 au 
 T_jup = 3.328 
[ 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 MPO436274  

70399 (1999 RQ240)          Discovered 1999-Sep-11 by LONEOS at Anderson Mesa
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RQ240 = 2001 FZ96 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-26 22:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin