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227982 (2007 JG1)
Classification: Outer Main-belt Asteroid          SPK-ID: 2227982
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .139480235557266 5.2777e-08  
a 3.204587352205801 4.0487e-08 au
q 2.7576107534563 1.5581e-07 au
i 5.318358603477015 8.1341e-06 deg
node 44.53450391071217 7.9139e-05 deg
peri 245.3773730845652 8.6439e-05 deg
M 74.42870792266422 3.5212e-05 deg
tp 2458767.293886081264
(2019-Oct-10.79388608)
0.0002022 TDB
period 2095.350105671465
5.74
3.9709e-05
1.087e-07
d
yr
n .171808996990809 3.256e-09 deg/d
Q 3.651563950955301 4.6134e-08 au
  Orbit Determination Parameters
   # obs. used (total)      160  
   data-arc span      6318 days (17.30 yr)  
   first obs. used      2003-09-19  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63781  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:41:54  

Additional Information
 Earth MOID = 1.74503 au 
 Jupiter MOID = 1.545 au 
 T_jup = 3.171 
[ 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 16.0   n/a MPO437079  

227982 (2007 JG1)          Discovered 2007-May-07 by Spacewatch at Kitt Peak
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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