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JPL Small-Body Database Browser
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85995 (1999 JT56)
Classification: Main-belt Asteroid          SPK-ID: 2085995
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1195792794395399 6.2571e-08  
a 3.011862469745191 2.4286e-08 au
q 2.651706125842068 1.9347e-07 au
i 12.90188636504942 4.7648e-06 deg
node 59.38599468631399 2.6268e-05 deg
peri 90.94753243358608 3.3707e-05 deg
M 6.469006277335907 1.9767e-05 deg
tp 2458566.192726564538
(2019-Mar-23.69272656)
0.00010482 TDB
period 1909.198709550916
5.23
2.3092e-05
6.322e-08
d
yr
n .1885607811272194 2.2806e-09 deg/d
Q 3.372018813648314 2.719e-08 au
  Orbit Determination Parameters
   # obs. used (total)      595  
   data-arc span      7290 days (19.96 yr)  
   first obs. used      1999-05-10  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62936  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:42:01  

Additional Information
 Earth MOID = 1.70232 au 
 Jupiter MOID = 1.78577 au 
 T_jup = 3.200 
[ 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 14.6   n/a MPO436376  
diameter diameter 4.478 km 0.926 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.106   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85995 (1999 JT56)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1999 JT56 = 2003 AJ64 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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