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 ]  
129831 (1999 RQ7)
Classification: Main-belt Asteroid          SPK-ID: 2129831
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1563628948335854 8.9709e-08  
a 2.547977414232208 1.472e-08 au
q 2.149568289772267 2.3555e-07 au
i 2.998065613869271 6.2673e-06 deg
node 23.38197217629759 0.00014316 deg
peri 262.3897798316592 0.0001503 deg
M 92.46935266422426 4.16e-05 deg
tp 2458618.918681374337
(2019-May-15.41868137)
0.00017362 TDB
period 1485.565441385272
4.07
1.2873e-05
3.524e-08
d
yr
n .2423319700169548 2.1e-09 deg/d
Q 2.94638653869215 1.7022e-08 au
  Orbit Determination Parameters
   # obs. used (total)      470  
   data-arc span      10249 days (28.06 yr)  
   first obs. used      1991-10-11  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5974  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 11:52:53  

Additional Information
 Earth MOID = 1.13573 au 
 Jupiter MOID = 2.21225 au 
 T_jup = 3.423 
[ 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 16.3   n/a MPO436629  

129831 (1999 RQ7)          Discovered 1999-Sep-03 by Spacewatch at Kitt Peak
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

Alternate Designations
 1999 RQ7 = 2002 GH122 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-27 08:17 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin