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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457077.5 (2015-Feb-24.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08232927608320206 4.6396e-08  
q 2.510434902422729 1.2985e-07 au
tp 2456315.315532747788
(2013-Jan-22.81553275)
0.00016296 TDB
node 15.4228193796903 4.5828e-05 deg
peri 297.3955965730379 5.718e-05 deg
i 5.877626074398819 5.6245e-06 deg
  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
 Jupiter MOID = 2.27176 au 
 T_jup = 3.341 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.1526061577473E-15 -5.968093726681681E-15 1.611752846188056E-12 3.378076094712518E-15 3.238716095809792E-13 2.086867190500199E-15
q -5.968093726681681E-15 1.686051604017355E-14 -3.719206861350748E-12 -6.897853888870457E-15 -7.193125769651053E-13 -5.924989686730565E-15
tp 1.611752846188056E-12 -3.719206861350748E-12 2.655647757671164E-8 2.412334331074704E-11 5.59203804204293E-9 1.4553513470746E-12
node 3.378076094712518E-15 -6.897853888870457E-15 2.412334331074704E-11 2.100247218613365E-9 -2.083668925131979E-9 -4.595765872825204E-11
peri 3.238716095809792E-13 -7.193125769651053E-13 5.59203804204293E-9 -2.083668925131979E-9 3.269566611770111E-9 4.596360855973416E-11
i 2.086867190500199E-15 -5.924989686730565E-15 1.4553513470746E-12 -4.595765872825204E-11 4.596360855973416E-11 3.163489115632995E-11

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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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