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JPL Small-Body Database Browser
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359227 (2009 DD138)
Classification: Main-belt Asteroid          SPK-ID: 2359227
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1006714172663982 7.1136e-08  
a 2.524923469979531 2.1669e-08 au
q 2.2707358457675 1.8009e-07 au
i 12.28979446082268 8.1127e-06 deg
node 183.4673173936728 2.237e-05 deg
peri 24.76713433391434 3.6358e-05 deg
M 169.1153900995828 2.6838e-05 deg
tp 2457912.083316517013
(2017-Jun-07.58331652)
0.00010862 TDB
period 1465.449158163202
4.01
1.8865e-05
5.165e-08
d
yr
n .245658471325764 3.1623e-09 deg/d
Q 2.779111094191563 2.385e-08 au
  Orbit Determination Parameters
   # obs. used (total)      138  
   data-arc span      9246 days (25.31 yr)  
   first obs. used      1993-04-19  
   last obs. used      2018-08-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60627  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:32:14  

Additional Information
 Earth MOID = 1.27346 au 
 Jupiter MOID = 2.18546 au 
 T_jup = 3.415 
[ 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 17.2   n/a MPO455592  

359227 (2009 DD138)          Discovered 2009-Feb-19 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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