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6680 (1970 WD)
Classification: Main-belt Asteroid          SPK-ID: 2006680
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1227481481454903 5.4394e-08  
a 2.321034698499871 1.2959e-08 AU
q 2.036131987477585 1.2781e-07 AU
i 7.309325236436036 4.9428e-06 deg
node 257.0313186646354 5.5524e-05 deg
peri 125.7208571600292 6.3059e-05 deg
M 186.2961557431793 3.0536e-05 deg
tp 2457623.700517944184
(2016-Aug-23.20051794)
0.00011157 JED
period 1291.57870638834
3.54
1.0817e-05
2.962e-08
d
yr
n .2787286583615746 2.3344e-09 deg/d
Q 2.605937409522156 1.455e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1103  
   data-arc span      23816 days (65.20 yr)  
   first obs. used      1949-11-25  
   last obs. used      2015-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50974  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:05:12  

Additional Information
 Earth MOID = 1.05006 AU 
 T_jup = 3.557 
[ 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 13.3 mag n/a MPO250274  
rotation period rot_per 6.722 h n/a LCDB (Rev. 2015-Feb); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2012) http://www.asu.cas.cz/~ppravec/neo.htm]

6680 (1970 WD)          Discovered 1970-Nov-24 by Kohoutek, L. at Bergedorf
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1970 WD = 1989 AD1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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