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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1226505080790359 4.9082e-08  
a 2.321501202031723 1.2451e-08 au
q 2.03676790009644 1.1711e-07 au
i 7.308476997717519 4.8635e-06 deg
node 257.0295414108239 4.5418e-05 deg
peri 125.6231823250337 5.221e-05 deg
M 297.8753769055583 2.8503e-05 deg
tp 2457623.452867470955
(2016-Aug-22.95286747)
0.00010331 JED
period 1291.968116531315
3.54
1.0394e-05
2.846e-08
d
yr
n .2786446471810238 2.2418e-09 deg/d
Q 2.606234503967007 1.3978e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1171  
   data-arc span      23950 days (65.57 yr)  
   first obs. used      1949-11-25  
   last obs. used      2015-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49934  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 11:54:47  

Additional Information
 Earth MOID = 1.04932 au 
 Jupiter MOID = 2.84407 au 
 T_jup = 3.556 
[ 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 13.4 mag n/a MPO337311  
rotation period rot_per 6.722 h n/a LCDB (Rev. 2015-December); 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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