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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 ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1227481472265498 5.4858e-08  
a 2.32103469837481 1.3006e-08 AU
q 2.036131989500768 1.2875e-07 AU
i 7.309325222572048 4.9668e-06 deg
node 257.0313187284617 5.6202e-05 deg
peri 125.7208579525743 6.3907e-05 deg
M 186.2961550494855 3.0876e-05 deg
tp 2457623.700520382593
(2016-Aug-23.20052038)
0.0001127 JED
period 1291.578706283952
3.54
1.0856e-05
2.972e-08
d
yr
n .278728658384102 2.3428e-09 deg/d
Q 2.605937407248852 1.4603e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1097  
   data-arc span      23563 days (64.51 yr)  
   first obs. used      1949-11-25  
   last obs. used      2014-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50933  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:35:08  

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 Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) 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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