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26989 (1997 WO7)
Classification: Main-belt Asteroid          SPK-ID: 2026989
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07948038793802721 5.9415e-08  
a 3.0678384322535 3.0302e-08 AU
q 2.824005443526802 1.8652e-07 AU
i 10.67408407859417 8.4044e-06 deg
node 58.87287108881975 3.5394e-05 deg
peri 34.39782902981565 6.5312e-05 deg
M 31.15805372147245 5.2811e-05 deg
tp 2456830.630670130501
(2014-Jun-22.13067013)
0.00028819 JED
period 1962.66940482474
5.37
2.9079e-05
7.961e-08
d
yr
n .183423657145227 2.7176e-09 deg/d
Q 3.311671420980197 3.2711e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      824  
   data-arc span      6205 days (16.99 yr)  
   first obs. used      1997-10-29  
   last obs. used      2014-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5381  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:50:11  

Additional Information
 Earth MOID = 1.84702 AU 
 T_jup = 3.200 
[ 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 13.0 mag n/a MPO296347  

26989 (1997 WO7)          Discovered 1997-Nov-19 by Shimizu, Y., Urata, T. at Nachi-Katsuura (905)
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 WO7 = 1998 WC25 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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