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5911 (1989 WO7)
Classification: Main-belt Asteroid          SPK-ID: 2005911
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09055218321093926 3.4139e-08  
a 2.252277646380762 7.0774e-09 au
q 2.048328988303788 7.6069e-08 au
i 4.70285257717445 3.2862e-06 deg
node 92.74818739362419 4.5715e-05 deg
peri 84.94988868538113 4.9927e-05 deg
M 147.6359928060373 2.1799e-05 deg
tp 2458094.184684207500
(2017-Dec-06.68468421)
7.3532e-05 TDB
period 1234.61433909798
3.38
5.8193e-06
1.593e-08
d
yr
n .2915890319749722 1.3744e-09 deg/d
Q 2.456226304457736 7.7182e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1994  
   data-arc span      20818 days (57.00 yr)  
   first obs. used      1962-11-30  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48358  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 22:06:06  

Additional Information
 Earth MOID = 1.05887 au 
 Jupiter MOID = 2.5124 au 
 T_jup = 3.616 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0   n/a MPO347571  
diameter diameter 3.767 km 0.965 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.343   0.215 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

5911 (1989 WO7)          Discovered 1989-Nov-25 by Ueda and Kaneda at Kushiro
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1989 WO7 = 1962 WQ1 = 1974 HZ2 = 1984 HC1 = 1991 JA4 = 1992 SL16 = 1994 EF9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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