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 ]  
101821 (1999 JJ14)
Classification: Inner Main-belt Asteroid          SPK-ID: 2101821
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05372110129899616 5.4519e-08  
a 1.951098879684066 6.5777e-09 au
q 1.8462836991242 1.0787e-07 au
i 18.92365686160945 6.8659e-06 deg
node 247.3391414564239 1.1924e-05 deg
peri 304.5733062284298 5.3616e-05 deg
M 18.1794002613707 5.27e-05 deg
tp 2459150.231676978606
(2020-Oct-27.73167698)
0.00014571 TDB
period 995.4451757220584
2.73
5.0339e-06
1.378e-08
d
yr
n .3616472396271041 1.8288e-09 deg/d
Q 2.055914060243931 6.9311e-09 au
  Orbit Determination Parameters
   # obs. used (total)      844  
   data-arc span      7594 days (20.79 yr)  
   first obs. used      1999-05-13  
   last obs. used      2020-02-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49913  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:38:47  

Additional Information
 Earth MOID = .864642 au 
 Jupiter MOID = 2.98637 au 
 T_jup = 3.824 
[ 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 15.74   n/a E2021B55  

101821 (1999 JJ14)          Discovered 1999-May-13 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 JJ14 = 2000 YD5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-21 15:37 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin