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390192 (2012 WD23)
Classification: Main-belt Asteroid          SPK-ID: 2390192
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07048487060954989 5.0616e-08  
a 3.170092656522149 5.4098e-08 au
q 2.946649085806901 1.7032e-07 au
i 9.982464711089602 9.1131e-06 deg
node 49.5731913699963 4.1112e-05 deg
peri 44.40212312148296 8.4127e-05 deg
M 94.66720864616507 7.4418e-05 deg
tp 2458458.370010789592
(2018-Dec-05.87001079)
0.00042342 TDB
period 2061.609282737133
5.64
5.2772e-05
1.445e-07
d
yr
n .1746208668220777 4.4699e-09 deg/d
Q 3.393536227237397 5.7911e-08 au
  Orbit Determination Parameters
   # obs. used (total)      173  
   data-arc span      4950 days (13.55 yr)  
   first obs. used      2006-10-03  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56829  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 01:15:45  

Additional Information
 Earth MOID = 1.97262 au 
 Jupiter MOID = 1.83522 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 16.0   n/a MPO339269  

390192 (2012 WD23)          Discovered 2006-Oct-03 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-03-21

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