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541937 (2012 DW102)
Classification: Main-belt Asteroid          SPK-ID: 2541937
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1298209672649206 7.6479e-08  
a 2.745829074631427 3.7239e-08 au
q 2.389362888218634 2.2245e-07 au
i 11.14946927013919 1.0771e-05 deg
node 154.3161818606172 3.4551e-05 deg
peri 56.71571164863109 5.2121e-05 deg
M 315.6355499078684 3.6946e-05 deg
tp 2459405.305340810876
(2021-Jul-09.80534081)
0.00017106 TDB
period 1661.914495475559
4.55
3.3809e-05
9.256e-08
d
yr
n .2166176424720248 4.4067e-09 deg/d
Q 3.102295261044221 4.2074e-08 au
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      3307 days (9.05 yr)  
   first obs. used      2012-02-24  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62641  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:24:57  

Additional Information
 Earth MOID = 1.40569 au 
 Jupiter MOID = 1.91268 au 
 T_jup = 3.308 
[ 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 17.46   n/a MPCxxxxx  

541937 (2012 DW102)          Discovered 2012-Feb-24 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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