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 ]  
101932 (1999 RN21)
Classification: Main-belt Asteroid          SPK-ID: 2101932
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .166961413808662 3.9406e-08  
a 2.204862671188275 7.623e-09 au
q 1.836735682352737 8.8034e-08 au
i 2.103454104087589 5.4235e-06 deg
node 67.33626856451227 0.00011468 deg
peri 206.8922047135284 0.00011579 deg
M 180.2286998866137 1.7794e-05 deg
tp 2459597.657103189232
(2022-Jan-18.15710319)
6.0702e-05 TDB
period 1195.833578622019
3.27
6.2016e-06
1.698e-08
d
yr
n .301045234417012 1.5612e-09 deg/d
Q 2.572989660023813 8.8957e-09 au
  Orbit Determination Parameters
   # obs. used (total)      746  
   data-arc span      7714 days (21.12 yr)  
   first obs. used      1999-09-07  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55695  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:57:41  

Additional Information
 Earth MOID = .820714 au 
 Jupiter MOID = 2.53081 au 
 T_jup = 3.643 
[ 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 16.1   n/a MPO449616  

101932 (1999 RN21)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-28 19:11 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin