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 ]  
66405 (1999 LZ20)
Classification: Main-belt Asteroid          SPK-ID: 2066405
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1986429467471638 3.6907e-08  
a 2.264029958351755 6.4402e-09 au
q 1.814296375900904 8.2375e-08 au
i 7.341511638546168 3.4376e-06 deg
node 81.04994874226452 3.1702e-05 deg
peri 263.1195291265554 3.3074e-05 deg
M 48.08723947489246 9.1593e-06 deg
tp 2459034.293108770708
(2020-Jul-03.79310877)
3.1562e-05 TDB
period 1244.290200392689
3.41
5.3092e-06
1.454e-08
d
yr
n .2893215745702943 1.2345e-09 deg/d
Q 2.713763540802606 7.7195e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1255  
   data-arc span      10533 days (28.84 yr)  
   first obs. used      1992-04-30  
   last obs. used      2021-03-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50754  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:21:54  

Additional Information
 Earth MOID = .822686 au 
 Jupiter MOID = 2.71731 au 
 T_jup = 3.581 
[ 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 15.64   n/a E2021B10  

66405 (1999 LZ20)          Discovered 1999-Jun-09 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 LZ20 = 2002 GK157 = 2002 GQ81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-15 16:44 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin