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85971 (1999 GW5)
Classification: Main-belt Asteroid          SPK-ID: 2085971
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1716864718875253 3.9753e-08  
a 3.050156833968722 2.0552e-08 au
q 2.526486168441008 1.2211e-07 au
i 16.60798613659921 6.15e-06 deg
node 66.39549706443184 1.5969e-05 deg
peri 91.53098007223474 2.4866e-05 deg
M 31.01379908254422 1.7249e-05 deg
tp 2458832.876790806587
(2019-Dec-15.37679081)
9.314e-05 TDB
period 1945.726002448785
5.33
1.9665e-05
5.384e-08
d
yr
n .1850209122697253 1.87e-09 deg/d
Q 3.573827499496437 2.408e-08 au
  Orbit Determination Parameters
   # obs. used (total)      772  
   data-arc span      9462 days (25.91 yr)  
   first obs. used      1994-06-03  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55565  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:41:39  

Additional Information
 Earth MOID = 1.6019 au 
 Jupiter MOID = 1.73808 au 
 T_jup = 3.152 
[ 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 14.5   n/a MPO493478  
diameter diameter 6.294 km 0.185 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.077   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85971 (1999 GW5)          Discovered 1999-Apr-15 by Zoltowski, F. B. at Woomera
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1999 GW5 = 1994 LZ4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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