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117214 (2004 RW216)
Classification: Main-belt Asteroid          SPK-ID: 2117214
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1748731084501401 7.8135e-08  
a 2.739324749511571 2.4376e-08 au
q 2.260290515510082 2.0922e-07 au
i 8.74578355758416 5.3827e-06 deg
node 275.9206232018702 3.8928e-05 deg
peri 41.21642542792599 4.4543e-05 deg
M 246.4033621296735 2.9049e-05 deg
tp 2459723.048596721706
(2022-May-23.54859672)
0.00013805 TDB
period 1656.012874558445
4.53
2.2104e-05
6.052e-08
d
yr
n .2173896142540495 2.9017e-09 deg/d
Q 3.218358983513061 2.8639e-08 au
  Orbit Determination Parameters
   # obs. used (total)      539  
   data-arc span      7919 days (21.68 yr)  
   first obs. used      1999-07-13  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53797  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:59:35  

Additional Information
 Earth MOID = 1.25289 au 
 Jupiter MOID = 2.08452 au 
 T_jup = 3.312 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.24   n/a E2021B55  

117214 (2004 RW216)          Discovered 2004-Sep-11 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2004 RW216 = 2000 WJ111 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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