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 ]  
21756 (1999 RB192)
Classification: Main-belt Asteroid          SPK-ID: 2021756
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1177163786007538 5.0026e-08  
a 2.169509133712161 8.7607e-09 au
q 1.914122375150307 1.0804e-07 au
i 3.983917701403264 4.9814e-06 deg
node .03656750095210066 7.0107e-05 deg
peri 286.9212539866872 7.2638e-05 deg
M 261.021470980222 1.952e-05 deg
tp 2459521.406966799125
(2021-Nov-02.90696680)
6.3711e-05 TDB
period 1167.187562714743
3.20
7.0698e-06
1.936e-08
d
yr
n .3084337183671507 1.8682e-09 deg/d
Q 2.424895892274016 9.7919e-09 au
  Orbit Determination Parameters
   # obs. used (total)      902  
   data-arc span      11233 days (30.75 yr)  
   first obs. used      1989-04-03  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55402  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 01:37:35  

Additional Information
 Earth MOID = .900593 au 
 Jupiter MOID = 2.70842 au 
 T_jup = 3.678 
[ 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 15.6   n/a MPO347690  

21756 (1999 RB192)          Discovered 1999-Sep-13 by LINEAR at Socorro
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RB192 = 1989 GU2 = 1996 RH22 = 1999 NG28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-13 05:47 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin