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344918 (2004 RY347)
Classification: Main-belt Asteroid          SPK-ID: 2344918
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1615069388820116 5.8871e-08  
a 2.399283727746792 1.6088e-08 au
q 2.011782757368986 1.4628e-07 au
i 2.053012948694066 7.5101e-06 deg
node 177.1413006268546 0.00015166 deg
peri 294.3004870991339 0.00015338 deg
M 234.6427999503774 2.1838e-05 deg
tp 2459073.180430326654
(2020-Aug-11.68043033)
8.3666e-05 TDB
period 1357.440616496187
3.72
1.3653e-05
3.738e-08
d
yr
n .2652049714920338 2.6674e-09 deg/d
Q 2.786784698124599 1.8686e-08 au
  Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      7995 days (21.89 yr)  
   first obs. used      1997-12-06  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65845  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 10:25:33  

Additional Information
 Earth MOID = 1.02967 au 
 Jupiter MOID = 2.32409 au 
 T_jup = 3.508 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457254.5 (2015-Aug-20.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1603379999139888 5.894e-08  
q 2.01560967631151 1.464e-07 au
tp 2457714.999140322424
(2016-Nov-22.49914032)
8.1552e-05 TDB
node 177.1541063145961 0.00015156 deg
peri 294.2340340408143 0.00015331 deg
i 2.052532461674117 7.5132e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      7995 days (21.89 yr)  
   first obs. used      1997-12-06  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65845  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 10:25:33  

Additional Information
 Jupiter MOID = 2.32409 au 
 T_jup = 3.508 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.473883046634121E-15 -8.595842038636315E-15 1.221885560388556E-12 -2.077594430147734E-14 4.885559343599791E-13 -1.801756507787637E-15
q -8.595842038636315E-15 2.143300141387993E-14 -2.775062622649532E-12 4.973481127569087E-14 -1.155827470420895E-12 4.604781031131333E-15
tp 1.221885560388556E-12 -2.775062622649532E-12 6.650649003472364E-9 -2.70131213998811E-11 1.888484465483859E-9 -2.003453459128821E-13
node -2.077594430147734E-14 4.973481127569087E-14 -2.70131213998811E-11 2.297192153284583E-8 -2.296467659818694E-8 -9.031304967429704E-11
peri 4.885559343599791E-13 -1.155827470420895E-12 1.888484465483859E-9 -2.296467659818694E-8 2.350481095431347E-8 9.009266427434785E-11
i -1.801756507787637E-15 4.604781031131333E-15 -2.003453459128821E-13 -9.031304967429704E-11 9.009266427434785E-11 5.644817256601567E-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 17.9   n/a MPO418779  

344918 (2004 RY347)          Discovered 2004-Sep-12 by Wiegert, P. A. at Mauna Kea
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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