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305801 (2009 DD90)
Classification: Main-belt Asteroid          SPK-ID: 2305801
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1078512960622049 6.083e-08  
a 2.598990066249844 2.3565e-08 au
q 2.318685619152002 1.6448e-07 au
i 10.1840016304535 7.6835e-06 deg
node 170.4706141511446 4.3501e-05 deg
peri 251.2635834740781 6.3187e-05 deg
M 18.32793679136748 4.2344e-05 deg
tp 2459122.585832645530
(2020-Sep-30.08583265)
0.00018031 TDB
period 1530.401406710457
4.19
2.0814e-05
5.699e-08
d
yr
n .2352324027026394 3.1993e-09 deg/d
Q 2.879294513347685 2.6107e-08 au
  Orbit Determination Parameters
   # obs. used (total)      126  
   data-arc span      5786 days (15.84 yr)  
   first obs. used      2005-03-10  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55289  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:56:32  

Additional Information
 Earth MOID = 1.35301 au 
 Jupiter MOID = 2.44552 au 
 T_jup = 3.385 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO446456  

305801 (2009 DD90)          Discovered 2009-Feb-26 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

Alternate Designations
 2009 DD90 = 2005 FF14 = 2007 RG245 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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