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359221 (2009 DR120)
Classification: Main-belt Asteroid          SPK-ID: 2359221
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07375674299941411 9.7918e-08  
a 2.623432778005341 4.1506e-08 au
q 2.429936920821762 2.4551e-07 au
i 2.199878162895377 1.1189e-05 deg
node 356.877076845206 0.00022094 deg
peri 210.9686432095906 0.00023218 deg
M 200.1363485917873 7.602e-05 deg
tp 2459689.708405089733
(2022-Apr-20.20840509)
0.00033611 TDB
period 1552.041528181669
4.25
3.6833e-05
1.008e-07
d
yr
n .2319525563351172 5.5047e-09 deg/d
Q 2.81692863518892 4.4568e-08 au
  Orbit Determination Parameters
   # obs. used (total)      173  
   data-arc span      5315 days (14.55 yr)  
   first obs. used      2005-03-11  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50531  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 11:15:04  

Additional Information
 Earth MOID = 1.42531 au 
 Jupiter MOID = 2.14619 au 
 T_jup = 3.399 
[ 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 17.4   n/a MPO455592  

359221 (2009 DR120)          Discovered 2005-Mar-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

Alternate Designations
 2009 DR120 = 2013 CD122 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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