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308003 (2004 RM108)
Classification: Main-belt Asteroid          SPK-ID: 2308003
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1559287157742372 4.357e-08  
a 2.231779210214643 1.6053e-08 au
q 1.883780744074233 9.8396e-08 au
i 4.936795338382971 4.7868e-06 deg
node 253.3424413944023 6.8436e-05 deg
peri 150.8703024630007 7.3236e-05 deg
M 214.5975375150417 2.7596e-05 deg
tp 2459492.363424604253
(2021-Oct-04.86342460)
9.7134e-05 TDB
period 1217.798033343821
3.33
1.3139e-05
3.597e-08
d
yr
n .2956155209181236 3.1894e-09 deg/d
Q 2.579777676355054 1.8556e-08 au
  Orbit Determination Parameters
   # obs. used (total)      199  
   data-arc span      6290 days (17.22 yr)  
   first obs. used      2001-11-19  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50342  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:16:43  

Additional Information
 Earth MOID = .894921 au 
 Jupiter MOID = 2.7972 au 
 T_jup = 3.620 
[ 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 17.7   n/a MPO413269  

308003 (2004 RM108)          Discovered 2004-Sep-09 by Spacewatch at Kitt Peak
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

[ show close-approach data ]
Alternate Designations
 2004 RM108 = 2001 WK64 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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