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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 ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06602052673045875 6.853e-08  
a 2.689315133851669 2.5909e-08 au
q 2.511765132170588 1.9339e-07 au
i 5.747393789140666 7.0308e-06 deg
node 212.0478564406796 4.9024e-05 deg
peri 162.936845962776 6.2363e-05 deg
M 189.2208017939039 4.2363e-05 deg
tp 2459764.676081165387
(2022-Jul-04.17608117)
0.0001953 TDB
period 1610.871769567303
4.41
2.3279e-05
6.373e-08
d
yr
n .2234814755594728 3.2296e-09 deg/d
Q 2.866865135532751 2.762e-08 au
  Orbit Determination Parameters
   # obs. used (total)      382  
   data-arc span      7090 days (19.41 yr)  
   first obs. used      2000-11-27  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52068  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 10:29:59  

Additional Information
 Earth MOID = 1.51352 au 
 Jupiter MOID = 2.44859 au 
 T_jup = 3.362 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457216.5 (2015-Jul-13.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06452455357646814 6.8336e-08  
q 2.517935443463773 1.9261e-07 au
tp 2456543.813980370553
(2013-Sep-08.31398037)
0.00017956 TDB
node 212.0792093712122 4.9065e-05 deg
peri 163.4820505025652 6.3031e-05 deg
i 5.742947667213102 7.027e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      382  
   data-arc span      7090 days (19.41 yr)  
   first obs. used      2000-11-27  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52068  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 10:29:59  

Additional Information
 Jupiter MOID = 2.44859 au 
 T_jup = 3.362 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.669772128373358E-15 -1.306834948002227E-14 -1.345459467753983E-12 -4.618932021364161E-15 -3.915205026791665E-13 2.025125488125294E-15
q -1.306834948002227E-14 3.709829061806386E-14 5.057658705490853E-12 1.245192670529748E-14 1.419493007051384E-12 -5.454476683641063E-15
tp -1.345459467753983E-12 5.057658705490853E-12 3.224244094153352E-8 2.845178590354534E-11 7.113687076645366E-9 -7.768861504217878E-12
node -4.618932021364161E-15 1.245192670529748E-14 2.845178590354534E-11 2.407377272953107E-9 -2.388791555297542E-9 -9.591990370930103E-11
peri -3.915205026791665E-13 1.419493007051384E-12 7.113687076645366E-9 -2.388791555297542E-9 3.972873968675404E-9 9.377902245370151E-11
i 2.025125488125294E-15 -5.454476683641063E-15 -7.768861504217878E-12 -9.591990370930103E-11 9.377902245370151E-11 4.93782039464884E-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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