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JPL Small-Body Database Browser
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80081 (1999 JJ131)
Classification: Main-belt Asteroid          SPK-ID: 2080081
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02682781567924433 6.2771e-08  
a 3.187213360029817 2.7352e-08 au
q 3.101707387476512 2.0055e-07 au
i 13.08180576660437 6.9891e-06 deg
node 64.07089135856441 2.5016e-05 deg
peri 129.1308122576555 0.00010598 deg
M 224.8570741758321 0.0001031 deg
tp 2459380.700005454129
(2021-Jun-15.20000545)
0.00059583 TDB
period 2078.332996348799
5.69
2.6754e-05
7.325e-08
d
yr
n .1732157458080325 2.2298e-09 deg/d
Q 3.272719332583122 2.8086e-08 au
  Orbit Determination Parameters
   # obs. used (total)      606  
   data-arc span      7512 days (20.57 yr)  
   first obs. used      1999-05-10  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60371  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:45:47  

Additional Information
 Earth MOID = 2.109 au 
 Jupiter MOID = 1.74288 au 
 T_jup = 3.157 
[ 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 14.3   n/a MPO417377  
diameter diameter 6.492 km 0.205 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

80081 (1999 JJ131)          Discovered 1999-May-13 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 JJ131 = 2001 UY31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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