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215888 (2005 GU4)
Classification: Main-belt Asteroid          SPK-ID: 2215888
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .160615198076106 7.9507e-08  
a 2.423385123833269 1.8037e-08 au
q 2.0341526421541 2.0226e-07 au
i 7.276447691116465 6.0958e-06 deg
node 62.87283835420914 5.4467e-05 deg
peri 262.6923270068021 5.7591e-05 deg
M 261.7035095097125 1.9633e-05 deg
tp 2459376.742277690331
(2021-Jun-11.24227769)
7.6123e-05 TDB
period 1377.945634609433
3.77
1.5384e-05
4.212e-08
d
yr
n .2612584930479053 2.9168e-09 deg/d
Q 2.812617605512438 2.0934e-08 au
  Orbit Determination Parameters
   # obs. used (total)      266  
   data-arc span      6460 days (17.69 yr)  
   first obs. used      2002-08-20  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61804  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 09:22:58  

Additional Information
 Earth MOID = 1.03784 au 
 Jupiter MOID = 2.52892 au 
 T_jup = 3.483 
[ 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 16.5   n/a MPO227094  

215888 (2005 GU4)          Discovered 2005-Apr-01 by Spacewatch at Kitt Peak
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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