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277317 (2005 SD213)
Classification: Main-belt Asteroid          SPK-ID: 2277317
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2052131128537065 6.8167e-08  
a 2.389469604209717 1.2367e-08 au
q 1.899119108660527 1.653e-07 au
i .4962241968144492 5.7242e-06 deg
node 320.8055304711742 0.0008079 deg
peri 47.80667013642282 0.00080802 deg
M 253.452495857818 1.3894e-05 deg
tp 2458999.792793933593
(2020-May-30.29279393)
5.3313e-05 TDB
period 1349.120347523793
3.69
1.0474e-05
2.868e-08
d
yr
n .2668405384743863 2.0716e-09 deg/d
Q 2.879820099758907 1.4905e-08 au
  Orbit Determination Parameters
   # obs. used (total)      234  
   data-arc span      6552 days (17.94 yr)  
   first obs. used      2001-07-27  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65097  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:46:48  

Additional Information
 Earth MOID = .897482 au 
 Jupiter MOID = 2.58101 au 
 T_jup = 3.504 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456875.5 (2014-Aug-06.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2060753259674825 6.8436e-08  
q 1.895831991664191 1.6613e-07 au
tp 2456304.738457525773
(2013-Jan-12.23845753)
4.8444e-05 TDB
node 320.9824217209746 0.00080664 deg
peri 47.88017561793463 0.00080676 deg
i .4968665891747716 5.7317e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      234  
   data-arc span      6552 days (17.94 yr)  
   first obs. used      2001-07-27  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65097  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:46:48  

Additional Information
 Jupiter MOID = 2.58101 au 
 T_jup = 3.504 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.683525207412463E-15 -1.135053610092358E-14 9.649473095189985E-13 1.121057263313146E-13 2.367227074816368E-13 -1.000645923314743E-15
q -1.135053610092358E-14 2.759931346300743E-14 -2.313657433204085E-12 -2.744444249623799E-13 -5.528671749875927E-13 2.453777890570511E-15
tp 9.649473095189985E-13 -2.313657433204085E-12 2.346858580952074E-9 3.936318877928099E-11 7.200136420940105E-10 -1.043548270016015E-13
node 1.121057263313146E-13 -2.744444249623799E-13 3.936318877928099E-11 6.506646713648353E-7 -6.506276159894963E-7 1.273709996572307E-9
peri 2.367227074816368E-13 -5.528671749875927E-13 7.200136420940105E-10 -6.506276159894963E-7 6.508568470375347E-7 -1.273712237605205E-9
i -1.000645923314743E-15 2.453777890570511E-15 -1.043548270016015E-13 1.273709996572307E-9 -1.273712237605205E-9 3.285239857898957E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.2   n/a MPO476188  

277317 (2005 SD213)          Discovered 2005-Sep-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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