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541917 (2012 DG22)
Classification: Main-belt Asteroid          SPK-ID: 2541917
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 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1672143273141188 4.3545e-08  
a 3.121289260657402 3.3933e-08 au
q 2.599364976583791 1.3377e-07 au
i 12.8887537557438 6.6361e-06 deg
node 36.77736880702628 2.0805e-05 deg
peri 255.4814964862234 2.877e-05 deg
M 109.5097409754366 1.9606e-05 deg
tp 2458587.797425800132
(2019-Apr-14.29742580)
0.00010878 TDB
period 2014.185448228097
5.51
3.2846e-05
8.993e-08
d
yr
n .1787323010980425 2.9146e-09 deg/d
Q 3.643213544731013 3.9607e-08 au
  Orbit Determination Parameters
   # obs. used (total)      307  
   data-arc span      6312 days (17.28 yr)  
   first obs. used      2003-09-28  
   last obs. used      2021-01-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60463  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:24:53  

Additional Information
 Earth MOID = 1.6194 au 
 Jupiter MOID = 1.69119 au 
 T_jup = 3.156 
[ 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 15.43   n/a E2021B25  

541917 (2012 DG22)          Discovered 2003-Sep-28 by LONEOS at Anderson Mesa
Reference: Last Updated: 2019-12-13

[ show close-approach data ]
Alternate Designations
 2012 DG22 = 2014 RH19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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