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541940 (2012 DG103)
Classification: Main-belt Asteroid          SPK-ID: 2541940
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1857045468952901 7.1822e-08  
a 2.973116796619544 6.4556e-08 au
q 2.420995489036535 2.0482e-07 au
i 16.47654256419834 1.3212e-05 deg
node 169.7637417647582 3.1332e-05 deg
peri 112.7528706403709 5.661e-05 deg
M 176.7839529802339 5.5461e-05 deg
tp 2458280.989437203190
(2018-Jun-11.48943720)
0.00026627 TDB
period 1872.476528703164
5.13
6.0986e-05
1.67e-07
d
yr
n .1922587517021258 6.2619e-09 deg/d
Q 3.525238104202552 7.6544e-08 au
  Orbit Determination Parameters
   # obs. used (total)      55  
   data-arc span      7764 days (21.26 yr)  
   first obs. used      1998-08-26  
   last obs. used      2019-11-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .79078  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:24:57  

Additional Information
 Earth MOID = 1.45842 au 
 Jupiter MOID = 1.9891 au 
 T_jup = 3.175 
[ 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 16.9   n/a MPO450570  

541940 (2012 DG103)          Discovered 2012-Feb-26 by Spacewatch at Kitt Peak
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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