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305778 (2009 DM49)
Classification: Main-belt Asteroid          SPK-ID: 2305778
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1469403038036665 6.1641e-08  
a 2.418598947305923 1.4732e-08 au
q 2.063209283209563 1.4844e-07 au
i 1.667334148291783 5.8649e-06 deg
node 11.31532840599038 0.00024887 deg
peri 107.0068969522837 0.00025172 deg
M 41.40706219672845 2.9284e-05 deg
tp 2458842.478516703432
(2019-Dec-24.97851670)
0.00011218 TDB
period 1373.865494646446
3.76
1.2552e-05
3.437e-08
d
yr
n .2620343850273665 2.3941e-09 deg/d
Q 2.773988611402284 1.6896e-08 au
  Orbit Determination Parameters
   # obs. used (total)      117  
   data-arc span      8488 days (23.24 yr)  
   first obs. used      1996-11-06  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66011  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:57:35  

Additional Information
 Earth MOID = 1.08007 au 
 Jupiter MOID = 2.30394 au 
 T_jup = 3.500 
[ 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 18.0   n/a MPO455253  

305778 (2009 DM49)          Discovered 2009-Feb-19 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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