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 ]  
66342 (1999 JA68)
Classification: Main-belt Asteroid          SPK-ID: 2066342
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1880687911140809 3.5985e-08  
a 2.302722614220421 6.8815e-09 au
q 1.86965235589293 8.3486e-08 au
i 8.168241404426462 4.1154e-06 deg
node 73.74985142759715 2.7369e-05 deg
peri 190.7030894672434 2.9811e-05 deg
M 336.5906141320615 1.1612e-05 deg
tp 2459083.494322783773
(2020-Aug-21.99432278)
4.1192e-05 TDB
period 1276.323794682672
3.49
5.7213e-06
1.566e-08
d
yr
n .2820600865546861 1.2644e-09 deg/d
Q 2.735792872547911 8.1757e-09 au
  Orbit Determination Parameters
   # obs. used (total)      916  
   data-arc span      7765 days (21.26 yr)  
   first obs. used      1999-04-12  
   last obs. used      2020-07-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51064  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:18:21  

Additional Information
 Earth MOID = .854699 au 
 Jupiter MOID = 2.34243 au 
 T_jup = 3.553 
[ 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 15.9   n/a MPO468589  
diameter diameter 2.388 km 0.104 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.123   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66342 (1999 JA68)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20030910/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-Nov-30 02:45 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin