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227993 (2007 JO17)
Classification: Main-belt Asteroid          SPK-ID: 2227993
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 .04950064042196534 6.806e-08  
a 2.883749507966643 3.5106e-08 au
q 2.741002060505767 2.1019e-07 au
i 6.67950691198213 6.3961e-06 deg
node 220.1044462319016 5.2395e-05 deg
peri 345.1621444337727 8.3012e-05 deg
M 307.9042581786815 6.7768e-05 deg
tp 2459459.341824768476
(2021-Sep-01.84182477)
0.00033864 TDB
period 1788.688550328293
4.90
3.2663e-05
8.943e-08
d
yr
n .2012647757676574 3.6752e-09 deg/d
Q 3.026496955427519 3.6844e-08 au
  Orbit Determination Parameters
   # obs. used (total)      176  
   data-arc span      7709 days (21.11 yr)  
   first obs. used      1999-11-15  
   last obs. used      2020-12-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58551  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:12:36  

Additional Information
 Earth MOID = 1.73562 au 
 Jupiter MOID = 1.94285 au 
 T_jup = 3.281 
[ 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 MPO454639  

227993 (2007 JO17)          Discovered 2007-May-07 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2007 JO17 = 1999 VC231 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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