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3011 Chongqing (1978 WM14)
Classification: Main-belt Asteroid          SPK-ID: 2003011
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2045551570491262 5.4613e-08  
a 3.195586690207146 2.3872e-08 au
q 2.541912952927726 1.7672e-07 au
i 6.22334881467313 7.4187e-06 deg
node 207.0794269235008 5.1553e-05 deg
peri 209.3682951484794 5.4838e-05 deg
M 167.4242799216335 1.8196e-05 deg
tp 2456430.123498226870
(2013-May-17.62349823)
0.00010019 JED
period 2086.528553695085
5.71
2.338e-05
6.401e-08
d
yr
n .1725353814892526 1.9333e-09 deg/d
Q 3.849260427486566 2.8755e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1241  
   data-arc span      21703 days (59.42 yr)  
   first obs. used      1955-12-18  
   last obs. used      2015-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50147  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 15:41:55  

Additional Information
 Earth MOID = 1.55473 au 
 Jupiter MOID = 1.54012 au 
 T_jup = 3.153 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.4 mag n/a MPO296157  

3011 Chongqing (1978 WM14)          Discovered 1978-Nov-26 by Purple Mountain Observatory at Nanking
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1978 WM14 = 1972 TT1 = 1978 UG2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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