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227929 (2007 GT4)
Classification: Main-belt Asteroid          SPK-ID: 2227929
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 .1693954682186479 4.91e-08  
a 2.788270138331011 2.5469e-08 au
q 2.315949812728356 1.3764e-07 au
i 3.976301548113084 7.8216e-06 deg
node 16.73181132789463 8.4289e-05 deg
peri 254.5517995127919 8.7047e-05 deg
M 281.0047960974634 2.2864e-05 deg
tp 2459573.663297324272
(2021-Dec-25.16329732)
0.0001094 TDB
period 1700.594218384242
4.66
2.33e-05
6.379e-08
d
yr
n .2116907114632208 2.9004e-09 deg/d
Q 3.260590463933666 2.9783e-08 au
  Orbit Determination Parameters
   # obs. used (total)      189  
   data-arc span      10222 days (27.99 yr)  
   first obs. used      1993-03-20  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54929  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:41:42  

Additional Information
 Earth MOID = 1.302 au 
 Jupiter MOID = 1.86309 au 
 T_jup = 3.306 
[ 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 16.4   n/a MPO418216  

227929 (2007 GT4)          Discovered 2007-Apr-11 by Ory, M. at Vicques
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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