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 ]  
21124 (1992 YR2)
Classification: Main-belt Asteroid          SPK-ID: 2021124
[ 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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06190097215032236 3.1706e-08  
a 2.37465756614802 7.6791e-09 au
q 2.227663954279339 7.3255e-08 au
i 5.141883714477908 3.2017e-06 deg
node 69.0998671518002 3.807e-05 deg
peri 169.8172895630213 4.7083e-05 deg
M 93.30540734866291 2.7507e-05 deg
tp 2458854.078987335028
(2020-Jan-05.57898733)		 0.00010215 TDB
period 1336.595253192226
3.66		 6.4834e-06
1.775e-08		 d
yr
n .2693410732532547 1.3065e-09 deg/d
Q 2.521651178016701 8.1545e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1888  
   data-arc span      10165 days (27.83 yr)  
   first obs. used      1992-12-18  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51102  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:58:46  

Additional Information
 Earth MOID = 1.21381 au 
 Jupiter MOID = 2.4648 au 
 T_jup = 3.534 
[ 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 14.6   n/a MPO384935  

21124 (1992 YR2)          Discovered 1992-Dec-18 by Elst, E. W. at Caussols
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1992 YR2 = 1998 MW31 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-13 03:55 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin