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308683 (2006 DH88)
Classification: Main-belt Asteroid          SPK-ID: 2308683
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1975751495173661 8.9799e-08  
a 2.390296632262677 2.0656e-08 au
q 1.918033417752522 2.1569e-07 au
i 4.46673363715774 1.0007e-05 deg
node 172.2337160544282 8.1321e-05 deg
peri 135.9108664933199 8.3706e-05 deg
M 189.5954812276866 1.8527e-05 deg
tp 2459639.432136763722
(2022-Feb-28.93213676)
6.9971e-05 TDB
period 1349.820831584143
3.70
1.7497e-05
4.79e-08
d
yr
n .2667020626563495 3.457e-09 deg/d
Q 2.862559846772831 2.4737e-08 au
  Orbit Determination Parameters
   # obs. used (total)      177  
   data-arc span      5083 days (13.92 yr)  
   first obs. used      2006-02-24  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60809  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:19:14  

Additional Information
 Earth MOID = .90655 au 
 Jupiter MOID = 2.41018 au 
 T_jup = 3.502 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457274.5 (2015-Sep-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1985982071744533 8.9959e-08  
q 1.914829165271522 2.1625e-07 au
tp 2456940.000862858725
(2014-Oct-09.50086286)
7.3985e-05 TDB
node 172.2652249400349 8.1283e-05 deg
peri 135.8584552364094 8.365e-05 deg
i 4.467651424927738 1.0014e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      177  
   data-arc span      5083 days (13.92 yr)  
   first obs. used      2006-02-24  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60809  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:19:14  

Additional Information
 Jupiter MOID = 2.41018 au 
 T_jup = 3.502 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.092636328670249E-15 -1.939667876770818E-14 3.613511373792524E-12 -9.32313103841917E-14 9.722872503479938E-13 -1.032448251049731E-14
q -1.939667876770818E-14 4.676227233723035E-14 -9.080500083816809E-12 2.210796898990087E-13 -2.418320586849258E-12 2.550155750604598E-14
tp 3.613511373792524E-12 -9.080500083816809E-12 5.473783506057049E-9 -4.791035573242202E-11 1.4903604215944E-9 -1.261244457712101E-11
node -9.32313103841917E-14 2.210796898990087E-13 -4.791035573242202E-11 6.606888724882481E-9 -6.596797800927482E-9 -2.767910770602854E-10
peri 9.722872503479938E-13 -2.418320586849258E-12 1.4903604215944E-9 -6.596797800927482E-9 6.997292858598955E-9 2.727144680550863E-10
i -1.032448251049731E-14 2.550155750604598E-14 -1.261244457712101E-11 -2.767910770602854E-10 2.727144680550863E-10 1.002815193492436E-10

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 17.1   n/a MPO455273  

308683 (2006 DH88)          Discovered 2006-Feb-24 by Spacewatch at Kitt Peak
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

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