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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .107652843053617 6.6265e-08  
a 2.598405052218345 3.6997e-08 au
q 2.318679360942158 1.8923e-07 au
i 10.18436328044839 1.1488e-05 deg
node 170.4744918706364 4.5857e-05 deg
peri 251.2672691066775 7.8795e-05 deg
M 331.2650666633887 6.9108e-05 deg
tp 2459122.614264494730
(2020-Sep-30.11426449)
0.00029497 TDB
period 1529.884712211662
4.19
3.2675e-05
8.946e-08
d
yr
n .2353118487468051 5.0257e-09 deg/d
Q 2.878130743494532 4.098e-08 au
  Orbit Determination Parameters
   # obs. used (total)      101  
   data-arc span      5253 days (14.38 yr)  
   first obs. used      2005-03-10  
   last obs. used      2019-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58761  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:55:01  

Additional Information
 Earth MOID = 1.35375 au 
 Jupiter MOID = 2.44652 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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