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541911 (2012 DW)
Classification: Inner Main-belt Asteroid          SPK-ID: 2541911
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1114141666194168 6.5026e-08  
a 1.990541667177938 1.598e-08 au
q 1.768767126208083 1.3206e-07 au
i 18.42400014339188 1.1634e-05 deg
node 12.57609960788445 1.5143e-05 deg
peri 118.4092844703911 6.8641e-05 deg
M 61.8665583110458 6.3719e-05 deg
tp 2459024.217665993059
(2020-Jun-23.71766599)
0.0001808 TDB
period 1025.782619479708
2.81
1.2353e-05
3.382e-08
d
yr
n .3509515497373091 4.2262e-09 deg/d
Q 2.212316208147792 1.7761e-08 au
  Orbit Determination Parameters
   # obs. used (total)      177  
   data-arc span      6296 days (17.24 yr)  
   first obs. used      2002-10-05  
   last obs. used      2019-12-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62258  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:24:51  

Additional Information
 Earth MOID = .83032 au 
 Jupiter MOID = 2.8355 au 
 T_jup = 3.780 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.8   n/a MPO528806  

541911 (2012 DW)          Discovered 2005-Oct-24 by NEAT at Palomar
Reference: Last Updated: 2019-12-13

Alternate Designations
 2012 DW = 2002 TV385 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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