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382918 (2004 RU217)
Classification: Main-belt Asteroid          SPK-ID: 2382918
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1758604507642013 1.2141e-07  
a 2.665257962632584 3.8554e-08 au
q 2.196544495921141 3.3621e-07 au
i 10.77258851441016 7.5691e-06 deg
node 299.9917669713407 4.1761e-05 deg
peri 69.90689114913533 4.6005e-05 deg
M 219.7727597526167 2.0016e-05 deg
tp 2459619.566334598337
(2022-Feb-09.06633460)
9.509e-05 TDB
period 1589.305188223299
4.35
3.4485e-05
9.441e-08
d
yr
n .2265140783957597 4.9149e-09 deg/d
Q 3.133971429344026 4.5334e-08 au
  Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      5266 days (14.42 yr)  
   first obs. used      2004-09-11  
   last obs. used      2019-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58632  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:38:25  

Additional Information
 Earth MOID = 1.2222 au 
 Jupiter MOID = 2.43519 au 
 T_jup = 3.337 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457328.5 (2015-Nov-02.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1750949786215789 1.2103e-07  
q 2.199275382845224 3.346e-07 au
tp 2458031.237113988492
(2017-Oct-04.73711399)
8.1908e-05 TDB
node 300.007058535416 4.1761e-05 deg
peri 70.14848922702328 4.6095e-05 deg
i 10.77078437188261 7.5682e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      5266 days (14.42 yr)  
   first obs. used      2004-09-11  
   last obs. used      2019-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58632  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:38:25  

Additional Information
 Jupiter MOID = 2.43519 au 
 T_jup = 3.337 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.464709582668218E-14 -4.033378406079913E-14 -1.882807755920772E-12 -1.411211117824706E-13 -9.310677269356993E-13 -4.724919633349785E-14
q -4.033378406079913E-14 1.119576698623314E-13 5.572392870669419E-12 3.945120268106637E-13 2.539910613134026E-12 1.34547538630539E-13
tp -1.882807755920772E-12 5.572392870669419E-12 6.708945543830468E-9 -1.180159638852637E-11 1.604544675768659E-9 -3.614725984644896E-12
node -1.411211117824706E-13 3.945120268106637E-13 -1.180159638852637E-11 1.743993686004314E-9 -1.710884057953571E-9 9.682719443130764E-11
peri -9.310677269356993E-13 2.539910613134026E-12 1.604544675768659E-9 -1.710884057953571E-9 2.124708875260031E-9 -9.451324791458044E-11
i -4.724919633349785E-14 1.34547538630539E-13 -3.614725984644896E-12 9.682719443130764E-11 -9.451324791458044E-11 5.727830823208015E-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 16.6   n/a MPO434374  

382918 (2004 RU217)          Discovered 2004-Sep-11 by LINEAR at Socorro
Reference: Last Updated: 2014-01-21

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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