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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 | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .174720708001924 7.9216e-08  
a 2.739872710834752 2.4531e-08 au
q 2.261160210962553 2.1193e-07 au
i 8.745983401249346 5.3971e-06 deg
node 275.9250314214913 3.896e-05 deg
peri 41.15701426480697 4.4687e-05 deg
M 202.9927970216337 2.9058e-05 deg
tp 2459722.955469271767
(2022-May-23.45546927)
0.00013985 TDB
period 1656.509790660193
4.54
2.2247e-05
6.091e-08
d
yr
n .2173244022038191 2.9186e-09 deg/d
Q 3.218585210706951 2.8817e-08 au
  Orbit Determination Parameters
   # obs. used (total)      535  
   data-arc span      7583 days (20.76 yr)  
   first obs. used      1999-07-13  
   last obs. used      2020-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53831  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:20:24  

Additional Information
 Earth MOID = 1.25569 au 
 Jupiter MOID = 2.0843 au 
 T_jup = 3.311 
[ 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 15.2   n/a MPO351674  

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

[ show close-approach data ]
Alternate Designations
 2004 RW216 = 2000 WJ111 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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