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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0866334224505963 3.7401e-08  
a 2.812965021811844 1.6603e-08 au
q 2.569268234738468 1.0285e-07 au
i 7.779360301605623 4.0598e-06 deg
node 74.88643462938572 2.8707e-05 deg
peri 205.0266183447448 3.7129e-05 deg
M 197.1186918527226 2.5054e-05 deg
tp 2460176.175114235613
(2023-Aug-19.67511424)
0.00012207 TDB
period 1723.236658137758
4.72
1.5257e-05
4.177e-08
d
yr
n .2089092048384344 1.8496e-09 deg/d
Q 3.056661808885221 1.8042e-08 au
  Orbit Determination Parameters
   # obs. used (total)      850  
   data-arc span      7977 days (21.84 yr)  
   first obs. used      1999-04-11  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59662  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:10:51  

Additional Information
 Earth MOID = 1.55512 au 
 Jupiter MOID = 2.03603 au 
 T_jup = 3.301 
[ 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 15.11   n/a MPO637179  
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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