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308789 (2006 QR26)
Classification: Main-belt Asteroid          SPK-ID: 2308789
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1988286738544155 5.8634e-08  
a 2.77541138999635 2.6985e-08 au
q 2.223580023922936 1.7178e-07 au
i 3.268349874149903 5.2778e-06 deg
node 172.5504212336154 9.5545e-05 deg
peri 205.8443083993555 9.6763e-05 deg
M 325.607505399583 1.9631e-05 deg
tp 2459161.843195164270
(2020-Nov-08.34319516)
9.3821e-05 TDB
period 1688.843770536871
4.62
2.463e-05
6.743e-08
d
yr
n .2131635893624184 3.1088e-09 deg/d
Q 3.327242756069765 3.235e-08 au
  Orbit Determination Parameters
   # obs. used (total)      184  
   data-arc span      7840 days (21.46 yr)  
   first obs. used      1999-02-09  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58389  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 19:58:31  

Additional Information
 Earth MOID = 1.22608 au 
 Jupiter MOID = 2.13382 au 
 T_jup = 3.304 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457299.5 (2015-Oct-04.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2024815181997726 5.8934e-08  
q 2.212054724892571 1.7297e-07 au
tp 2457472.686832487776
(2016-Mar-25.18683249)
7.548e-05 TDB
node 172.7619678306155 9.5439e-05 deg
peri 205.5721431200026 9.6591e-05 deg
i 3.270946791981193 5.284e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      184  
   data-arc span      7840 days (21.46 yr)  
   first obs. used      1999-02-09  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58389  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 19:58:31  

Additional Information
 Jupiter MOID = 2.13382 au 
 T_jup = 3.304 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.473167799739608E-15 -1.0128203751164E-14 -1.234330925628146E-12 -1.185334592386075E-14 -5.157398847287139E-14 -2.13626394475143E-15
q -1.0128203751164E-14 2.991963062146343E-14 4.35358261982355E-12 3.546224420533611E-14 2.919492785514095E-13 7.095002825070775E-15
tp -1.234330925628146E-12 4.35358261982355E-12 5.697161008788352E-9 2.277425703151325E-11 1.131991643059003E-9 4.583183615547443E-12
node -1.185334592386075E-14 3.546224420533611E-14 2.277425703151325E-11 9.108527856648881E-9 -9.08850332040949E-9 -3.220130937977507E-11
peri -5.157398847287139E-14 2.919492785514095E-13 1.131991643059003E-9 -9.08850332040949E-9 9.329798039462362E-9 3.298522741052712E-11
i -2.13626394475143E-15 7.095002825070775E-15 4.583183615547443E-12 -3.220130937977507E-11 3.298522741052712E-11 2.792102673563579E-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 16.7   n/a MPO446465  

308789 (2006 QR26)          Discovered 2006-Aug-19 by Spacewatch at Kitt Peak
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

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