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 ]  
85997 (1999 JB69)
Classification: Main-belt Asteroid          SPK-ID: 2085997
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08697680886500392 3.7407e-08  
a 2.811829215443803 1.7383e-08 au
q 2.567265283211114 1.0297e-07 au
i 7.781015799327471 4.0743e-06 deg
node 74.8878241751684 3.1272e-05 deg
peri 204.8420779675996 4.0082e-05 deg
M 114.5645478121625 2.5751e-05 deg
tp 2458452.438140454545
(2018-Nov-29.93814045)
0.00012251 TDB
period 1722.193062376123
4.72
1.597e-05
4.372e-08
d
yr
n .2090357973590402 1.9384e-09 deg/d
Q 3.056393147676492 1.8895e-08 au
  Orbit Determination Parameters
   # obs. used (total)      771  
   data-arc span      7592 days (20.79 yr)  
   first obs. used      1999-04-11  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61211  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:42:24  

Additional Information
 Earth MOID = 1.55327 au 
 Jupiter MOID = 2.03821 au 
 T_jup = 3.302 
[ 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 15.1   n/a MPO302497  
diameter diameter 3.367 km 0.544 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.142   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85997 (1999 JB69)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1999 JB69 = 2001 TE49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-26 22:14 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin