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91327 (1999 GK53)
Classification: Main-belt Asteroid          SPK-ID: 2091327
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08877860988715507 3.6159e-08  
a 2.380872932091737 8.5252e-09 au
q 2.169502342862677 8.5432e-08 au
i 7.148256755774257 3.8558e-06 deg
node 347.8259624506586 2.6875e-05 deg
peri 189.3214571857677 3.3462e-05 deg
M 350.2476520799898 2.0044e-05 deg
tp 2459236.850420494818
(2021-Jan-22.35042050)
7.4758e-05 TDB
period 1341.846239025575
3.67
7.2071e-06
1.973e-08
d
yr
n .2682870730862768 1.441e-09 deg/d
Q 2.592243521320796 9.2821e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1555  
   data-arc span      8017 days (21.95 yr)  
   first obs. used      1999-04-11  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49289  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:18:37  

Additional Information
 Earth MOID = 1.17365 au 
 Jupiter MOID = 2.37377 au 
 T_jup = 3.523 
[ 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 14.98   n/a E2021B10  
diameter diameter 3.265 km 0.194 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.218   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91327 (1999 GK53)          Discovered 1999-Apr-11 by LONEOS at Anderson Mesa
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 GK53 = 1999 JS136 = 2000 QE3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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