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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 ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08311664713838987 4.515e-08  
a 2.733094600434779 1.8396e-08 au
q 2.505928940934603 1.276e-07 au
i 5.883986064899635 5.5072e-06 deg
node 15.33894226099395 4.4796e-05 deg
peri 299.1514755195494 5.558e-05 deg
M 309.7261645024282 3.5791e-05 deg
tp 2459626.972940108289
(2022-Feb-16.47294011)
0.00016486 TDB
period 1650.366589654604
4.52
1.6663e-05
4.562e-08
d
yr
n .2181333542842396 2.2024e-09 deg/d
Q 2.960260259934956 1.9926e-08 au
  Orbit Determination Parameters
   # obs. used (total)      758  
   data-arc span      8476 days (23.21 yr)  
   first obs. used      1998-03-29  
   last obs. used      2021-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59779  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 09:09:41  

Additional Information
 Earth MOID = 1.49842 au 
 Jupiter MOID = 2.27069 au 
 T_jup = 3.341 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457175.5 (2015-Jun-02.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08203575208684456 4.5051e-08  
q 2.51194915049279 1.2718e-07 au
tp 2457969.363824201880
(2017-Aug-03.86382420)
0.00016197 TDB
node 15.39575073906067 4.4862e-05 deg
peri 297.6095836832615 5.5846e-05 deg
i 5.878913358047506 5.5005e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      758  
   data-arc span      8476 days (23.21 yr)  
   first obs. used      1998-03-29  
   last obs. used      2021-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59779  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 09:09:41  

Additional Information
 Jupiter MOID = 2.27069 au 
 T_jup = 3.341 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.029582061877332E-15 -5.678638440031513E-15 1.058027194660137E-12 3.434405487966597E-15 2.355733562033661E-13 1.96775892651422E-15
q -5.678638440031513E-15 1.617361475246235E-14 -2.125261724952616E-12 -8.853736910162191E-15 -5.193570742865907E-13 -5.689604451826783E-15
tp 1.058027194660137E-12 -2.125261724952616E-12 2.623357369033185E-8 2.023708340632709E-11 5.399728434088699E-9 9.968537804212643E-13
node 3.434405487966597E-15 -8.853736910162191E-15 2.023708340632709E-11 2.01256096396765E-9 -1.997493066004135E-9 -3.568210451118891E-11
peri 2.355733562033661E-13 -5.193570742865907E-13 5.399728434088699E-9 -1.997493066004135E-9 3.118830781949915E-9 3.571200651920926E-11
i 1.96775892651422E-15 -5.689604451826783E-15 9.968537804212643E-13 -3.568210451118891E-11 3.571200651920926E-11 3.0255894424645E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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