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227854 (2007 DS49)
Classification: Main-belt Asteroid          SPK-ID: 2227854
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .115592548351376 6.1093e-08  
a 2.575034315778427 2.2667e-08 au
q 2.277379537125357 1.5434e-07 au
i 8.246924401226247 5.3427e-06 deg
node 352.7765868653006 4.2881e-05 deg
peri 265.2666581989594 4.9055e-05 deg
M 31.40704061865589 2.4173e-05 deg
tp 2459068.826774659032
(2020-Aug-07.32677466)
0.00010177 TDB
period 1509.290916591203
4.13
1.9928e-05
5.456e-08
d
yr
n .2385226042525155 3.1494e-09 deg/d
Q 2.872689094431497 2.5287e-08 au
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      6287 days (17.21 yr)  
   first obs. used      2003-03-09  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64342  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:24:22  

Additional Information
 Earth MOID = 1.27936 au 
 Jupiter MOID = 2.23023 au 
 T_jup = 3.404 
[ 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 16.55   n/a E2021B55  

227854 (2007 DS49)          Discovered 2007-Feb-16 by CSS at Catalina
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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