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26099 (1989 WH)
Classification: Main-belt Asteroid          SPK-ID: 2026099
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1440015997484375 3.6731e-08  
a 2.761014582279695 1.4153e-08 au
q 2.363424065502655 1.0044e-07 au
i 8.61890353088206 4.4334e-06 deg
node 223.4681136533963 2.7306e-05 deg
peri 197.9166831661008 3.1598e-05 deg
M 281.2459185469687 1.8122e-05 deg
tp 2459567.082768813835
(2021-Dec-18.58276881)
8.5728e-05 TDB
period 1675.72009396982
4.59
1.2885e-05
3.528e-08
d
yr
n .2148330149500992 1.6519e-09 deg/d
Q 3.158605099056734 1.6191e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1183  
   data-arc span      11345 days (31.06 yr)  
   first obs. used      1989-11-20  
   last obs. used      2020-12-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56117  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 03:17:40  

Additional Information
 Earth MOID = 1.37681 au 
 Jupiter MOID = 2.18914 au 
 T_jup = 3.310 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.21   n/a E2020-QM5  
diameter diameter 4.142 km 0.442 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.236   0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

26099 (1989 WH)          Discovered 1989-Nov-20 by Oshima, Y. at Gekko
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1989 WH = 1998 UR6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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