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

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08716163957007096 3.781e-08  
a 2.811500693933962 1.7773e-08 au
q 2.566445683798286 1.0462e-07 au
i 7.781186224074433 4.1783e-06 deg
node 74.88627970673078 3.1424e-05 deg
peri 204.7088658372296 4.0198e-05 deg
M 31.05336641375376 2.5702e-05 deg
tp 2458451.970777919534
(2018-Nov-29.47077792)
0.00012274 TDB
period 1721.891251226319
4.71
1.6327e-05
4.47e-08
d
yr
n .2090724369170297 1.9825e-09 deg/d
Q 3.056555704069639 1.9322e-08 au
  Orbit Determination Parameters
   # obs. used (total)      761  
   data-arc span      7504 days (20.54 yr)  
   first obs. used      1999-04-11  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61509  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:16:27  

Additional Information
 Earth MOID = 1.55191 au 
 Jupiter MOID = 2.03744 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 ]
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