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362122 (2009 DD12)
Classification: Main-belt Asteroid          SPK-ID: 2362122
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1397168533469952 5.4572e-08  
a 2.369949523487008 1.5522e-08 au
q 2.038827633474193 1.285e-07 au
i 1.888433404789587 6.712e-06 deg
node 129.0158083381654 0.00016709 deg
peri 343.9134804496297 0.00016884 deg
M 112.1837577759405 2.2038e-05 deg
tp 2458785.226179093632
(2019-Oct-28.72617909)
8.1166e-05 TDB
period 1332.622284099977
3.65
1.3092e-05
3.584e-08
d
yr
n .2701440642973608 2.654e-09 deg/d
Q 2.701071413499824 1.7691e-08 au
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      8084 days (22.13 yr)  
   first obs. used      1998-01-31  
   last obs. used      2020-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59656  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:38:19  

Additional Information
 Earth MOID = 1.05533 au 
 Jupiter MOID = 2.39026 au 
 T_jup = 3.531 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.14   n/a E2021B25  

362122 (2009 DD12)          Discovered 2009-Feb-18 by Karge, S., Kling, R. at Taunus
Reference: Last Updated: 2013-04-29

[ show close-approach data ]
Alternate Designations
 2009 DD12 = 1998 BA40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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