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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1748731039166412 7.9257e-08  
a 2.739324752950667 2.4552e-08 au
q 2.260290530766497 2.1196e-07 au
i 8.745783282525922 5.3969e-06 deg
node 275.9206221363754 3.8967e-05 deg
peri 41.21642597177193 4.4675e-05 deg
M 246.4033629021947 2.9388e-05 deg
tp 2459723.048594152134
(2022-May-23.54859415)
0.00013968 TDB
period 1656.012877677016
4.53
2.2264e-05
6.096e-08
d
yr
n .2173896138446656 2.9226e-09 deg/d
Q 3.218358975134836 2.8846e-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 = 1.25289 au 
 Jupiter MOID = 2.08452 au 
 T_jup = 3.312 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457510.5 (2016-May-02.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1741149780573815 7.9149e-08  
q 2.264672753780727 2.1116e-07 au
tp 2458064.601353951732
(2017-Nov-07.10135395)
0.00012701 TDB
node 276.0102951961952 3.8968e-05 deg
peri 40.65799371960522 4.47e-05 deg
i 8.74163871045149 5.397e-06 deg
  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
 Jupiter MOID = 2.08452 au 
 T_jup = 3.312 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.264546496361779E-15 -1.664175990018388E-14 6.637146739507924E-12 -5.505000509647691E-14 1.095871962156786E-12 -5.067814916024994E-15
q -1.664175990018388E-14 4.459020843330543E-14 -1.669236459485904E-11 1.423508117781523E-13 -2.767527635004114E-12 1.27280864598745E-14
tp 6.637146739507924E-12 -1.669236459485904E-11 1.613132200101185E-8 -9.725130918834476E-11 2.832782589655674E-9 -1.631683795087604E-11
node -5.505000509647691E-14 1.423508117781523E-13 -9.725130918834476E-11 1.518509074575518E-9 -1.516602927873481E-9 6.868327299163577E-11
peri 1.095871962156786E-12 -2.767527635004114E-12 2.832782589655674E-9 -1.516602927873481E-9 1.998119861600351E-9 -7.061289215823988E-11
i -5.067814916024994E-15 1.27280864598745E-14 -1.631683795087604E-11 6.868327299163577E-11 -7.061289215823988E-11 2.912801268646495E-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 15.24   n/a E2021B55  

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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