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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 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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457016.5 (2014-Dec-25.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08824100351291968 3.718e-08  
q 2.564050614445033 1.0257e-07 au
tp 2456734.847768145090
(2014-Mar-18.34776815)
0.00012069 TDB
node 74.92888817637463 3.1315e-05 deg
peri 205.8213179836131 3.9976e-05 deg
i 7.776726489923644 4.0712e-06 deg
  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
 Jupiter MOID = 2.03821 au 
 T_jup = 3.302 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.382345906192747E-15 -3.76908335424069E-15 3.412366380366982E-13 -9.288289917393662E-16 4.078650285179083E-14 -2.51974473220609E-16
q -3.76908335424069E-15 1.051967244133256E-14 -1.023986521773128E-12 3.35587643585077E-15 -1.245112100276735E-13 1.096059018122924E-15
tp 3.412366380366982E-13 -1.023986521773128E-12 1.456525675305586E-8 1.081009969729061E-11 3.019678354523337E-9 -4.434479917931298E-12
node -9.288289917393662E-16 3.35587643585077E-15 1.081009969729061E-11 9.806336727045894E-10 -9.690901039471091E-10 -4.466566014538511E-12
peri 4.078650285179083E-14 -1.245112100276735E-13 3.019678354523337E-9 -9.690901039471091E-10 1.598088631798133E-9 3.547492126318772E-12
i -2.51974473220609E-16 1.096059018122924E-15 -4.434479917931298E-12 -4.466566014538511E-12 3.547492126318772E-12 1.65749025097007E-11

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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