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85608 (1998 GC7)
Classification: Main-belt Asteroid          SPK-ID: 2085608
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .148183461670466 6.2645e-08  
a 2.942664322363367 2.2061e-08 au
q 2.506610136541387 1.8849e-07 au
i 16.55468366312232 5.479e-06 deg
node 131.5002017737274 1.9694e-05 deg
peri 75.60830183363409 2.7199e-05 deg
M 164.9444637267427 2.2374e-05 deg
tp 2458355.717798897184
(2018-Aug-25.21779890)
0.00010996 TDB
period 1843.781752510594
5.05
2.0734e-05
5.677e-08
d
yr
n .195250874736017 2.1957e-09 deg/d
Q 3.378718508185347 2.533e-08 au
  Orbit Determination Parameters
   # obs. used (total)      526  
   data-arc span      8316 days (22.77 yr)  
   first obs. used      1998-04-02  
   last obs. used      2021-01-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56618  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:13:53  

Additional Information
 Earth MOID = 1.56491 au 
 Jupiter MOID = 1.81871 au 
 T_jup = 3.194 
[ 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 14.90   n/a E2021B10  
diameter diameter 6.703 km 0.252 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85608 (1998 GC7)          Discovered 1998-Apr-02 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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