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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
47420 (1999 XB166)
Classification: Main-belt Asteroid          SPK-ID: 2047420
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1037956850065592 3.9597e-08  
a 2.278152351939509 9.5913e-09 au
q 2.041689968020644 9.3661e-08 au
i 8.949105360758384 4.7979e-06 deg
node 351.4915033589338 2.3949e-05 deg
peri 59.02466494163733 3.2649e-05 deg
M 236.7378564239255 2.2806e-05 deg
tp 2459030.531024197731
(2020-Jun-30.03102420)
8.0369e-05 TDB
period 1255.950644859891
3.44
7.9316e-06
2.172e-08
d
yr
n .2866354673038607 1.8102e-09 deg/d
Q 2.514614735858375 1.0587e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1054  
   data-arc span      16046 days (43.93 yr)  
   first obs. used      1975-11-27  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53415  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:25:24  

Additional Information
 Earth MOID = 1.06565 au 
 Jupiter MOID = 2.79651 au 
 T_jup = 3.584 
[ 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 MPO449302  

47420 (1999 XB166)          Discovered 1999-Dec-10 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XB166 = 1975 WG = 1992 UE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-23 23:06 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin