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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1174034749982904 4.8729e-08  
a 2.3446028321657 1.4935e-08 au
q 2.069338312178614 1.1556e-07 au
i 1.111833879359304 5.3173e-06 deg
node 184.279316902605 0.00021164 deg
peri 150.0447043235893 0.00021242 deg
M 217.4111946160128 2.0332e-05 deg
tp 2459519.880074667558
(2021-Nov-01.38007467)
7.6525e-05 TDB
period 1311.300886326934
3.59
1.253e-05
3.431e-08
d
yr
n .2745365337229282 2.6232e-09 deg/d
Q 2.619867352152787 1.6689e-08 au
  Orbit Determination Parameters
   # obs. used (total)      345  
   data-arc span      6638 days (18.17 yr)  
   first obs. used      2002-02-08  
   last obs. used      2020-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57711  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 03:59:11  

Additional Information
 Earth MOID = 1.05933 au 
 Jupiter MOID = 2.69603 au 
 T_jup = 3.552 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457238.5 (2015-Aug-04.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .117681660540487 4.8851e-08  
q 2.068556121488193 1.1589e-07 au
tp 2456894.371457866775
(2014-Aug-24.87145787)
6.6556e-05 TDB
node 184.3107757076762 0.00021211 deg
peri 149.4399496053192 0.00021287 deg
i 1.109484081032162 5.3178e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      345  
   data-arc span      6638 days (18.17 yr)  
   first obs. used      2002-02-08  
   last obs. used      2020-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57711  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 03:59:11  

Additional Information
 Jupiter MOID = 2.69603 au 
 T_jup = 3.552 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.386389657820566E-15 -5.624820941404413E-15 6.023030193933878E-13 9.828656529888908E-16 1.310495916175384E-13 3.099616909208953E-17
q -5.624820941404413E-15 1.343087398981355E-14 -1.212868953863261E-12 -2.066747633592335E-15 -2.459590526902313E-13 -2.89352474353953E-17
tp 6.023030193933878E-13 -1.212868953863261E-12 4.42976579215983E-9 3.061538397958822E-12 1.206421413826402E-9 -4.268857929483201E-13
node 9.828656529888908E-16 -2.066747633592335E-15 3.061538397958822E-12 4.499270946746389E-8 -4.498299582772884E-8 -1.584493247266711E-10
peri 1.310495916175384E-13 -2.459590526902313E-13 1.206421413826402E-9 -4.498299582772884E-8 4.531508373737791E-8 1.583074505493338E-10
i 3.099616909208953E-17 -2.89352474353953E-17 -4.268857929483201E-13 -1.584493247266711E-10 1.583074505493338E-10 2.827907505354464E-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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