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26843 (1991 UK1)
Classification: Main-belt Asteroid          SPK-ID: 2026843
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .214608603134789 6.7401e-08  
a 2.278152739199134 1.5592e-08 AU
q 1.789241562111914 1.5371e-07 AU
i 4.881536880421032 7.4803e-06 deg
node 333.0877021232181 6.7424e-05 deg
peri 11.56299941399938 6.8904e-05 deg
M 288.5864391532772 1.9113e-05 deg
tp 2457249.644251852967
(2015-Aug-15.14425185)
6.8395e-05 JED
period 1255.95096510559
3.44
1.2894e-05
3.53e-08
d
yr
n .286635394216791 2.9427e-09 deg/d
Q 2.767063916286354 1.8938e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      771  
   data-arc span      22064 days (60.41 yr)  
   first obs. used      1953-11-30  
   last obs. used      2014-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56979  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 03:08:51  

Additional Information
 Earth MOID = .782342 AU 
 T_jup = 3.572 
[ 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 14.5 mag n/a MPO302224  

26843 (1991 UK1)          Discovered 1991-Oct-28 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 UK1 = 1998 QQ98 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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