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85992 (1999 JR17)
Classification: Main-belt Asteroid          SPK-ID: 2085992
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1655695764997021 7.7989e-08  
a 2.852021103759568 2.7617e-08 au
q 2.379813177441883 2.3587e-07 au
i 17.03553888799129 7.6898e-06 deg
node 230.3779160872866 2.0551e-05 deg
peri 333.0395418434555 2.7227e-05 deg
M 57.70093074264967 2.2161e-05 deg
tp 2458318.526790983882
(2018-Jul-19.02679098)
0.00010627 TDB
period 1759.249875856356
4.82
2.5553e-05
6.996e-08
d
yr
n .2046326704015037 2.9723e-09 deg/d
Q 3.324229030077252 3.2189e-08 au
  Orbit Determination Parameters
   # obs. used (total)      577  
   data-arc span      6992 days (19.14 yr)  
   first obs. used      1999-04-15  
   last obs. used      2018-06-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56024  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 03:07:29  

Additional Information
 Earth MOID = 1.38547 au 
 Jupiter MOID = 1.70801 au 
 T_jup = 3.221 
[ 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 14.7   n/a MPO253868  
diameter diameter 6.400 km 0.243 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85992 (1999 JR17)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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