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 ]  
71043 (1999 XB78)
Classification: Main-belt Asteroid          SPK-ID: 2071043
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2418597651922106 5.5049e-08  
a 2.636969198975643 1.2604e-08 au
q 1.999192447692302 1.4251e-07 au
i 4.308244696452128 5.7412e-06 deg
node 256.686419951096 7.5058e-05 deg
peri 160.311425847033 7.5757e-05 deg
M 201.692318788725 1.0211e-05 deg
tp 2459288.289433336521
(2021-Mar-14.78943334)
4.6327e-05 TDB
period 1564.06937494523
4.28
1.1214e-05
3.07e-08
d
yr
n .2301688184468201 1.6502e-09 deg/d
Q 3.274745950258984 1.5652e-08 au
  Orbit Determination Parameters
   # obs. used (total)      809  
   data-arc span      12949 days (35.45 yr)  
   first obs. used      1982-12-23  
   last obs. used      2018-06-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53948  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:39:43  

Additional Information
 Earth MOID = 1.01159 au 
 Jupiter MOID = 2.08691 au 
 T_jup = 3.351 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO296644  

71043 (1999 XB78)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XB78 = 1982 YL4 = 1992 DR8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Oct-16 23:40 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin