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117215 (2004 RO224)
Classification: Main-belt Asteroid          SPK-ID: 2117215
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08300070495629035 4.6568e-08  
a 2.733134124642622 1.927e-08 au
q 2.506282065557191 1.3037e-07 au
i 5.883907317964621 5.6327e-06 deg
node 15.33885144616118 4.5734e-05 deg
peri 299.1136255882629 5.6964e-05 deg
M 266.996466279578 3.7272e-05 deg
tp 2459626.870150802266
(2022-Feb-16.37015080)
0.00017261 TDB
period 1650.4023895504
4.52
1.7455e-05
4.779e-08
d
yr
n .2181286226191605 2.3069e-09 deg/d
Q 2.959986183728053 2.087e-08 au
  Orbit Determination Parameters
   # obs. used (total)      721  
   data-arc span      8088 days (22.14 yr)  
   first obs. used      1998-03-29  
   last obs. used      2020-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60063  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:20:23  

Additional Information
 Earth MOID = 1.49744 au 
 Jupiter MOID = 2.27176 au 
 T_jup = 3.341 
[ 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 15.42   n/a E2021B55  

117215 (2004 RO224)          Discovered 2004-Sep-08 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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