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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 ]

[ 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 .07948038791894842 5.9589e-08  
a 3.067838432204487 3.0372e-08 AU
q 2.824005443540216 1.872e-07 AU
i 10.67408393211715 8.443e-06 deg
node 58.8728714972218 3.5465e-05 deg
peri 34.39782867687432 6.5414e-05 deg
M 31.15805368337171 5.2931e-05 deg
tp 2456830.630670342292
(2014-Jun-22.13067034)
0.00028883 JED
period 1962.669404777706
5.37
2.9146e-05
7.98e-08
d
yr
n .1834236571496227 2.7239e-09 deg/d
Q 3.311671420868759 3.2786e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      820  
   data-arc span      6184 days (16.93 yr)  
   first obs. used      1997-10-29  
   last obs. used      2014-10-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53852  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:55:33  

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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