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541931 (2012 DL86)
Classification: Main-belt Asteroid          SPK-ID: 2541931
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1965392346376354 5.3287e-08  
a 2.658480624713965 2.486e-08 au
q 2.1359848774337 1.4255e-07 au
i 14.22234668421116 7.401e-06 deg
node 168.6006139877224 3.0807e-05 deg
peri 344.5075609162924 4.0662e-05 deg
M 18.51850523727296 2.6679e-05 deg
tp 2459119.057311063813
(2020-Sep-26.55731106)
0.00011661 TDB
period 1583.24700840406
4.33
2.2208e-05
6.08e-08
d
yr
n .2273808180840248 3.1895e-09 deg/d
Q 3.18097637199423 2.9746e-08 au
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      4751 days (13.01 yr)  
   first obs. used      2008-04-11  
   last obs. used      2021-04-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54732  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:25:49  

Additional Information
 Earth MOID = 1.14839 au 
 Jupiter MOID = 1.82091 au 
 T_jup = 3.316 
[ 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 17.22   .3889 E2021B25 autocmod 2.8

541931 (2012 DL86)          Discovered 2008-Apr-11 by Mount Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2019-12-13

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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