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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2043990790712109 5.5554e-08  
a 3.197079847184179 2.447e-08 AU
q 2.543599670702605 1.806e-07 AU
i 6.221102834403414 7.4241e-06 deg
node 207.0846067792322 5.4113e-05 deg
peri 209.5168824328184 5.7433e-05 deg
M 98.23797883836306 1.8038e-05 deg
tp 2456430.722140779334
(2013-May-18.22214078)
0.0001019 JED
period 2087.991138915188
5.72
2.3972e-05
6.563e-08
d
yr
n .1724145247987199 1.9795e-09 deg/d
Q 3.850560023665753 2.9472e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1148  
   data-arc span      21620 days (59.19 yr)  
   first obs. used      1955-12-18  
   last obs. used      2015-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51186  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 13:45:39  

Additional Information
 Earth MOID = 1.55715 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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