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 ]  
308741 (2006 JJ8)
Classification: Main-belt Asteroid          SPK-ID: 2308741
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .171345620729649 3.8613e-08  
a 2.406777598821594 2.1248e-08 au
q 1.994386797193294 9.7047e-08 au
i 3.34744748837906 4.7864e-06 deg
node 65.84645546911291 0.00013231 deg
peri 199.88155807103 0.0001343 deg
M 247.4164006283175 2.664e-05 deg
tp 2459427.005853822774
(2021-Jul-31.50585382)
0.00010343 TDB
period 1363.805280992091
3.73
1.806e-05
4.945e-08
d
yr
n .263967301650365 3.4956e-09 deg/d
Q 2.819168400449894 2.4889e-08 au
  Orbit Determination Parameters
   # obs. used (total)      163  
   data-arc span      6053 days (16.57 yr)  
   first obs. used      2002-03-16  
   last obs. used      2018-10-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56551  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:00:12  

Additional Information
 Earth MOID = .978958 au 
 Jupiter MOID = 2.26121 au 
 T_jup = 3.500 
[ 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 17.3   n/a MPO455274  

308741 (2006 JJ8)          Discovered 2006-May-01 by Spacewatch at Kitt Peak
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1927-Feb-27 18:28 00:02 Amphi 0.00855289691020179 0.00853752943851078 0.00856929645931237 4.7390624485631 4.73906230673334 2424939.269743544 1.93319635974836 4919.50596965857 208.376811044741 81.0609898598767 6063.15478853764 T 9 CATAB v2.0f-lin.ifort 2020-Nov-11 19:00:12 2020-Nov-11 19:00
1955-May-25 16:32 00:23 Psych 0.0329043994207288 0.0328497312776201 0.0329590676349021 3.50864699314108 3.5086468883415 2435253.189140748 22.844891728897 2723.21675740507 115.892313816585 -1.26290873187796 2032.35243492357 T 9 CATAB v2.0f-lin.ifort 2020-Nov-11 19:00:12 2020-Nov-11 19:00
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-23 23:04 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin