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312982 (1999 RC206)
Classification: Main-belt Asteroid          SPK-ID: 2312982
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2140863150455412 3.9028e-08  
a 2.446774173020898 1.0192e-08 au
q 1.922953306570252 9.8988e-08 au
i 7.043414319673705 7.1631e-06 deg
node 313.2833077682495 2.8355e-05 deg
peri 73.29663816040232 3.4218e-05 deg
M 28.90748863480565 1.8596e-05 deg
tp 2458488.247215917246
(2019-Jan-04.74721592)
7.1826e-05 TDB
period 1397.942338759075
3.83
8.7348e-06
2.391e-08
d
yr
n .2575213512165063 1.6091e-09 deg/d
Q 2.970595039471544 1.2374e-08 au
  Orbit Determination Parameters
   # obs. used (total)      364  
   data-arc span      6977 days (19.10 yr)  
   first obs. used      1999-09-08  
   last obs. used      2018-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54366  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 04:40:48  

Additional Information
 Earth MOID = .940197 au 
 Jupiter MOID = 2.5417 au 
 T_jup = 3.456 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457067.5 (2015-Feb-14.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2129439984802089 3.9275e-08  
q 1.925866297562854 9.9707e-08 au
tp 2457087.491600942255
(2015-Mar-05.99160094)
6.8231e-05 TDB
node 313.4638467966982 2.8269e-05 deg
peri 72.6063794540067 3.4269e-05 deg
i 7.053968300058317 7.1714e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      364  
   data-arc span      6977 days (19.10 yr)  
   first obs. used      1999-09-08  
   last obs. used      2018-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54366  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 04:40:48  

Additional Information
 Jupiter MOID = 2.5417 au 
 T_jup = 3.456 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.542531142597501E-15 -3.905129472645132E-15 -1.495221359375286E-12 8.893398140833309E-15 -3.869580907066688E-13 -8.053145149238178E-15
q -3.905129472645132E-15 9.941539755302547E-15 3.925189079579838E-12 -2.340396922939615E-14 1.019116867794319E-12 2.177327568902774E-14
tp -1.495221359375286E-12 3.925189079579838E-12 4.655473993981192E-9 -2.10306133635961E-11 1.325226509267779E-9 1.448685719233473E-11
node 8.893398140833309E-15 -2.340396922939615E-14 -2.10306133635961E-11 7.99123265159551E-10 -7.982325522175802E-10 2.584635204826035E-11
peri -3.869580907066688E-13 1.019116867794319E-12 1.325226509267779E-9 -7.982325522175802E-10 1.174354809939552E-9 -2.185544479268688E-11
i -8.053145149238178E-15 2.177327568902774E-14 1.448685719233473E-11 2.584635204826035E-11 -2.185544479268688E-11 5.142949757753509E-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 MPO455307  

312982 (1999 RC206)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20120207/Numbers.arcLast Updated: 2012-02-09

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