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65960 (1998 GX8)
Classification: Main-belt Asteroid          SPK-ID: 2065960
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1883271006370214 4.6975e-08  
a 2.654994434870725 1.3591e-08 au
q 2.154987030744094 1.2617e-07 au
i 12.25907340551295 4.8069e-06 deg
node 124.091985629095 2.2221e-05 deg
peri 84.50064516782109 2.5995e-05 deg
M 39.2766165352302 1.5625e-05 deg
tp 2458828.104701637817
(2019-Dec-10.60470164)
6.7778e-05 TDB
period 1580.133750948672
4.33
1.2133e-05
3.322e-08
d
yr
n .2278288149872535 1.7494e-09 deg/d
Q 3.155001838997356 1.6151e-08 au
  Orbit Determination Parameters
   # obs. used (total)      855  
   data-arc span      8065 days (22.08 yr)  
   first obs. used      1998-03-28  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6014  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 12:56:02  

Additional Information
 Earth MOID = 1.19214 au 
 Jupiter MOID = 1.95086 au 
 T_jup = 3.331 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457060.5 (2015-Feb-07.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1885484378429593 4.6913e-08  
q 2.154545797127402 1.2631e-07 au
tp 2457246.676094936838
(2015-Aug-12.17609494)
6.0747e-05 TDB
node 124.1240934714978 2.2221e-05 deg
peri 84.08731137585573 2.5978e-05 deg
i 12.25913707790629 4.807e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      855  
   data-arc span      8065 days (22.08 yr)  
   first obs. used      1998-03-28  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6014  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 12:56:02  

Additional Information
 Jupiter MOID = 1.95086 au 
 T_jup = 3.331 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.200805838219337E-15 -5.90191675830046E-15 -8.232411560330939E-13 6.530369368404427E-15 -1.17875247141277E-13 -2.931331128367508E-15
q -5.90191675830046E-15 1.595534520387064E-14 2.528677822975169E-12 -1.833456321782448E-14 3.819470515184035E-13 8.061855873510697E-15
tp -8.232411560330939E-13 2.528677822975169E-12 3.69017427145137E-9 -8.828321939779944E-12 8.361590199919956E-10 3.310086601932699E-12
node 6.530369368404427E-15 -1.833456321782448E-14 -8.828321939779944E-12 4.937668832407278E-10 -4.839476126788772E-10 2.056103829752145E-11
peri -1.17875247141277E-13 3.819470515184035E-13 8.361590199919956E-10 -4.839476126788772E-10 6.748421005145892E-10 -1.949730857999788E-11
i -2.931331128367508E-15 8.061855873510697E-15 3.310086601932699E-12 2.056103829752145E-11 -1.949730857999788E-11 2.310750942313078E-11

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 14.9   n/a MPO337765  
diameter diameter 3.062 km 0.351 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.272   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

65960 (1998 GX8)          Discovered 1998-Apr-02 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 GX8 = 1998 HZ13 = 2002 AE119 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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