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 ]  
70977 (1999 XU23)
Classification: Main-belt Asteroid          SPK-ID: 2070977
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .115893025743182 3.7362e-08  
a 2.564189242464408 1.1164e-08 au
q 2.26701759257709 9.8383e-08 au
i 9.441346016623658 3.8221e-06 deg
node 229.0520472785447 2.5347e-05 deg
peri 178.4875157496787 3.2042e-05 deg
M 356.5770783727867 2.1815e-05 deg
tp 2459014.759949658399
(2020-Jun-14.25994966)
9.0921e-05 TDB
period 1499.76611681962
4.11
9.7946e-06
2.682e-08
d
yr
n .2400374271445805 1.5676e-09 deg/d
Q 2.861360892351726 1.2458e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1087  
   data-arc span      9968 days (27.29 yr)  
   first obs. used      1993-04-18  
   last obs. used      2020-08-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51879  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 06:30:56  

Additional Information
 Earth MOID = 1.27695 au 
 Jupiter MOID = 2.50611 au 
 T_jup = 3.405 
[ 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 14.8   n/a MPO351343  

70977 (1999 XU23)          Discovered 1999-Dec-06 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-24 09:11 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin