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305776 (2009 DE46)
Classification: Main-belt Asteroid          SPK-ID: 2305776
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06102471085169438 4.1585e-08  
a 2.388910526866887 1.5018e-08 au
q 2.243127952714266 9.9544e-08 au
i 6.038112548552402 5.5876e-06 deg
node 147.0023122565275 4.3191e-05 deg
peri 321.6202845609972 6.2606e-05 deg
M 65.3408265767405 4.522e-05 deg
tp 2458755.717494077614
(2019-Sep-29.21749408)
0.00016925 TDB
period 1348.646883561586
3.69
1.2717e-05
3.482e-08
d
yr
n .2669342170941668 2.5171e-09 deg/d
Q 2.534693101019507 1.5934e-08 au
  Orbit Determination Parameters
   # obs. used (total)      312  
   data-arc span      8597 days (23.54 yr)  
   first obs. used      1996-10-07  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57655  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:01:15  

Additional Information
 Earth MOID = 1.26305 au 
 Jupiter MOID = 2.51607 au 
 T_jup = 3.523 
[ 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 17.0   n/a MPO455253  

305776 (2009 DE46)          Discovered 2009-Feb-27 by Ory, M. at Vicques
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

Alternate Designations
 2009 DE46 = 2007 RD261 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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