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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 ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1654779662835277 5.3876e-08  
a 2.850183771016494 1.7951e-08 au
q 2.378541157054369 1.553e-07 au
i 17.03288961948729 5.8161e-06 deg
node 230.3598759159233 1.6847e-05 deg
peri 332.6842913879085 2.2837e-05 deg
M 221.1524132610477 2.017e-05 deg
tp 2460074.365539354572
(2023-May-09.86553935)
0.00010234 TDB
period 1757.550130319874
4.81
1.6604e-05
4.546e-08
d
yr
n .2048305728465793 1.9351e-09 deg/d
Q 3.321826384978619 2.0922e-08 au
  Orbit Determination Parameters
   # obs. used (total)      766  
   data-arc span      7915 days (21.67 yr)  
   first obs. used      1999-04-15  
   last obs. used      2020-12-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5088  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:51:06  

Additional Information
 Earth MOID = 1.38498 au 
 Jupiter MOID = 1.70841 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 14.76   n/a E2021B10  
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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