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212718 (2007 RO126)
Classification: Main-belt Asteroid          SPK-ID: 2212718
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1170877608034397 5.006e-08  
a 2.345196801211138 1.6341e-08 au
q 2.070602959113937 1.1831e-07 au
i 1.111704102576475 5.4253e-06 deg
node 184.2870195009721 0.00024357 deg
peri 150.0351921573964 0.00024445 deg
M 107.6297604226039 2.1111e-05 deg
tp 2458208.309346654608
(2018-Mar-30.80934665)
7.5832e-05 TDB
period 1311.799214733636
3.59
1.3711e-05
3.754e-08
d
yr
n .2744322423406076 2.8684e-09 deg/d
Q 2.61979064330834 1.8255e-08 au
  Orbit Determination Parameters
   # obs. used (total)      308  
   data-arc span      6172 days (16.90 yr)  
   first obs. used      2002-02-08  
   last obs. used      2019-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58551  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:32:42  

Additional Information
 Earth MOID = 1.05968 au 
 Jupiter MOID = 2.69384 au 
 T_jup = 3.552 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456919.5 (2014-Sep-19.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1178263581762184 5.0252e-08  
q 2.068594485059244 1.1883e-07 au
tp 2456894.538581156021
(2014-Aug-25.03858116)
7.2832e-05 TDB
node 184.3096302446452 0.00024411 deg
peri 149.4941977137138 0.00024496 deg
i 1.109358955601983 5.426e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      308  
   data-arc span      6172 days (16.90 yr)  
   first obs. used      2002-02-08  
   last obs. used      2019-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58551  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:32:42  

Additional Information
 Jupiter MOID = 2.69384 au 
 T_jup = 3.552 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.525228469772574E-15 -5.927604939223256E-15 2.799879204643919E-13 -7.084442419530221E-15 3.002602890989489E-14 -1.426899924249668E-17
q -5.927604939223256E-15 1.412137891975936E-14 -5.825078133631512E-13 1.709043886170046E-14 -5.105776268691271E-14 1.158334917517089E-16
tp 2.799879204643919E-13 -5.825078133631512E-13 5.304561217390585E-9 -2.810079046931878E-12 1.507264069722518E-9 -6.706215810711208E-13
node -7.084442419530221E-15 1.709043886170046E-14 -2.810079046931878E-12 5.95882708752824E-8 -5.957724426752825E-8 -6.027407407427844E-11
peri 3.002602890989489E-14 -5.105776268691271E-14 1.507264069722518E-9 -5.957724426752825E-8 6.00074777101252E-8 6.007494864170027E-11
i -1.426899924249668E-17 1.158334917517089E-16 -6.706215810711208E-13 -6.027407407427844E-11 6.007494864170027E-11 2.944104109641477E-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 17.0   n/a MPO413065  

212718 (2007 RO126)          Discovered 2007-Sep-12 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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