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 ]  
101806 (1999 JX4)
Classification: Inner Main-belt Asteroid          SPK-ID: 2101806
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0866621391718459 4.1885e-08  
a 1.931961692907394 5.9423e-09 au
q 1.764533759801978 8.1678e-08 au
i 19.1517197766825 4.7282e-06 deg
node 236.3483812576601 1.3774e-05 deg
peri 263.0578612093618 3.1e-05 deg
M 95.21791367483898 2.6549e-05 deg
tp 2458941.074684303614
(2020-Apr-01.57468430)
7.2356e-05 TDB
period 980.8355386742495
2.69
4.5252e-06
1.239e-08
d
yr
n .3670340090720974 1.6934e-09 deg/d
Q 2.099389626012809 6.4572e-09 au
  Orbit Determination Parameters
   # obs. used (total)      698  
   data-arc span      7650 days (20.94 yr)  
   first obs. used      1999-05-08  
   last obs. used      2020-04-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48125  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:38:43  

Additional Information
 Earth MOID = .866303 au 
 Jupiter MOID = 3.03172 au 
 T_jup = 3.840 
[ 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 16.03   n/a E2021B55  

101806 (1999 JX4)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 JX4 = 2000 UD76 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-20 04:34 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin