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226764 (2004 RM87)
Classification: Main-belt Asteroid          SPK-ID: 2226764
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09581852509065641 6.1592e-08  
a 2.622852169421256 2.1267e-08 au
q 2.371534343016483 1.6465e-07 au
i .9644276252032382 5.5173e-06 deg
node 270.8680792184975 0.00041591 deg
peri 52.59789279237201 0.00041765 deg
M 269.8781634751334 4.1424e-05 deg
tp 2459388.906670092276
(2021-Jun-23.40667009)
0.0001798 TDB
period 1551.526318426034
4.25
1.8871e-05
5.167e-08
d
yr
n .2320295799849574 2.8221e-09 deg/d
Q 2.874169995826029 2.3305e-08 au
  Orbit Determination Parameters
   # obs. used (total)      238  
   data-arc span      6212 days (17.01 yr)  
   first obs. used      2003-04-25  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64957  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 10:29:37  

Additional Information
 Earth MOID = 1.35929 au 
 Jupiter MOID = 2.37976 au 
 T_jup = 3.397 
[ 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 16.7   n/a MPO470425  

226764 (2004 RM87)          Discovered 2004-Sep-07 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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