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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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08300070286249754 4.5701e-08  
a 2.733134124454802 1.8891e-08 au
q 2.506282071107576 1.2855e-07 au
i 5.883906764657702 5.5787e-06 deg
node 15.33885687977151 4.5063e-05 deg
peri 299.1136182190513 5.6145e-05 deg
M 266.9964687276259 3.6547e-05 deg
tp 2459626.870139535360
(2022-Feb-16.37013954)
0.00016914 TDB
period 1650.402389380278
4.52
1.7111e-05
4.685e-08
d
yr
n .2181286226416451 2.2615e-09 deg/d
Q 2.959986177802027 2.0459e-08 au
  Orbit Determination Parameters
   # obs. used (total)      734  
   data-arc span      8355 days (22.87 yr)  
   first obs. used      1998-03-29  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59667  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:51:40  

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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