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226800 (2004 RM202)
Classification: Main-belt Asteroid          SPK-ID: 2226800
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06602052665354714 6.8519e-08  
a 2.689315131873264 2.5585e-08 au
q 2.511765130529637 1.9327e-07 au
i 5.747393733536658 7.0294e-06 deg
node 212.0478565037269 4.7589e-05 deg
peri 162.9368482687008 6.1079e-05 deg
M 189.2208001968489 4.2254e-05 deg
tp 2459764.676087468385
(2022-Jul-04.17608747)
0.00019494 TDB
period 1610.871767789737
4.41
2.2987e-05
6.293e-08
d
yr
n .2234814758060804 3.1891e-09 deg/d
Q 2.86686513321689 2.7274e-08 au
  Orbit Determination Parameters
   # obs. used (total)      388  
   data-arc span      7136 days (19.54 yr)  
   first obs. used      2000-11-27  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52656  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:30:46  

Additional Information
 Earth MOID = 1.51352 au 
 Jupiter MOID = 2.44859 au 
 T_jup = 3.362 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457321.5 (2015-Oct-26.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0648944613420354 6.8362e-08  
q 2.516116128005685 1.9255e-07 au
tp 2456544.261461682477
(2013-Sep-08.76146168)
0.0001773 TDB
node 212.064176784887 4.7603e-05 deg
peri 163.5035399660392 6.158e-05 deg
i 5.745207666520092 7.0279e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      388  
   data-arc span      7136 days (19.54 yr)  
   first obs. used      2000-11-27  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52656  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:30:46  

Additional Information
 Jupiter MOID = 2.44859 au 
 T_jup = 3.362 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.673312517690591E-15 -1.307211506979111E-14 -1.367175143896309E-12 -9.110850605080589E-15 -3.928074668592738E-13 1.956478538434274E-15
q -1.307211506979111E-14 3.707653734342581E-14 5.188610281273913E-12 2.486351702265716E-14 1.440138865465394E-12 -4.972417538505269E-15
tp -1.367175143896309E-12 5.188610281273913E-12 3.143404161598146E-8 2.761456499545724E-11 6.932927994933844E-9 -7.789518593971679E-12
node -9.110850605080589E-15 2.486351702265716E-14 2.761456499545724E-11 2.266024496561637E-9 -2.248144727981296E-9 -9.449826123949843E-11
peri -3.928074668592738E-13 1.440138865465394E-12 6.932927994933844E-9 -2.248144727981296E-9 3.792085684914977E-9 9.239564431583337E-11
i 1.956478538434274E-15 -4.972417538505269E-15 -7.789518593971679E-12 -9.449826123949843E-11 9.239564431583337E-11 4.93906859326748E-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 16.0   n/a MPO418210  

226800 (2004 RM202)          Discovered 2004-Sep-11 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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