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91329 (1999 GK63)
Classification: Main-belt Asteroid          SPK-ID: 2091329
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1310360679584133 4.5264e-08  
a 2.406716282099434 9.0534e-09 au
q 2.091349643801633 1.1182e-07 au
i 5.105785278883145 4.3781e-06 deg
node 7.37389808566359 4.261e-05 deg
peri 147.6072380033388 4.4539e-05 deg
M 17.17900231506952 1.2928e-05 deg
tp 2459331.422447910313
(2021-Apr-26.92244791)
4.8899e-05 TDB
period 1363.753163461424
3.73
7.6951e-06
2.107e-08
d
yr
n .263977389490531 1.4895e-09 deg/d
Q 2.722082920397235 1.024e-08 au
  Orbit Determination Parameters
   # obs. used (total)      733  
   data-arc span      8653 days (23.69 yr)  
   first obs. used      1997-09-30  
   last obs. used      2021-06-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50934  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:40:20  

Additional Information
 Earth MOID = 1.10366 au 
 Jupiter MOID = 2.26226 au 
 T_jup = 3.505 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.14   n/a MPO637241  
diameter diameter 1.552 km 0.401 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.292   0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91329 (1999 GK63)          Discovered 1999-Apr-09 by LONEOS at Anderson Mesa
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 GK63 = 2001 XM264 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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