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117720 (2005 GB8)
Classification: Main-belt Asteroid          SPK-ID: 2117720
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1745251274085255 3.7928e-08  
a 2.62488820812352 1.211e-08 au
q 2.166779259167626 1.0415e-07 au
i 3.950220982028244 4.0251e-06 deg
node 196.22430312 5.0382e-05 deg
peri 282.0335871770571 5.1707e-05 deg
M 312.3547579703761 1.2806e-05 deg
tp 2459406.080387987251
(2021-Jul-10.58038799)
5.5703e-05 TDB
period 1553.333271544606
4.25
1.075e-05
2.943e-08
d
yr
n .2317596658713314 1.6039e-09 deg/d
Q 3.082997157079413 1.4224e-08 au
  Orbit Determination Parameters
   # obs. used (total)      529  
   data-arc span      7698 days (21.08 yr)  
   first obs. used      1999-12-14  
   last obs. used      2021-01-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53285  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:53:57  

Additional Information
 Earth MOID = 1.18689 au 
 Jupiter MOID = 2.02623 au 
 T_jup = 3.378 
[ 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 16.2   n/a MPO453648  

117720 (2005 GB8)          Discovered 2005-Apr-02 by Mt. Lemmon Survey at Mt. Lemmon
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2005 GB8 = 2003 WN16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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