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469440 (2002 GK81)
Classification: Main-belt Asteroid          SPK-ID: 2469440
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1589714462516743 9.7841e-08  
a 2.659403016235423 4.0201e-08 au
q 2.236633872578413 2.7536e-07 au
i 10.15936670445032 9.2101e-06 deg
node 47.39143622469572 3.5354e-05 deg
peri 174.5075859213901 4.2056e-05 deg
M 52.29069914611706 2.595e-05 deg
tp 2458770.410600775962
(2019-Oct-13.91060078)
0.00011073 TDB
period 1584.071069487783
4.34
3.5919e-05
9.834e-08
d
yr
n .2272625306618394 5.1531e-09 deg/d
Q 3.082172159892433 4.6592e-08 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      6207 days (16.99 yr)  
   first obs. used      2002-04-10  
   last obs. used      2019-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54633  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 13:57:39  

Additional Information
 Earth MOID = 1.22825 au 
 Jupiter MOID = 1.89487 au 
 T_jup = 3.346 
[ 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 16.8   n/a MPO434687  

469440 (2002 GK81)          Discovered 2002-Apr-10 by LINEAR at Socorro
Reference: Last Updated: 2016-08-22

[ show close-approach data ]
Alternate Designations
 2002 GK81 = 2012 TD210 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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