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JPL Small-Body Database Browser
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434591 (2005 UH221)
Classification: Main-belt Asteroid          SPK-ID: 2434591
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08762732876508074 5.9317e-08  
a 2.434129140235187 2.9038e-08 au
q 2.220832905807135 1.5935e-07 au
i 9.464847511810209 7.5096e-06 deg
node 237.4846811052626 4.5156e-05 deg
peri 37.86578896207207 8.682e-05 deg
M 315.9719336115353 6.7441e-05 deg
tp 2458770.144960166334
(2019-Oct-13.64496017)
0.00025867 TDB
period 1387.119414262558
3.80
2.4821e-05
6.796e-08
d
yr
n .2595306476850003 4.6441e-09 deg/d
Q 2.647425374663239 3.1582e-08 au
  Orbit Determination Parameters
   # obs. used (total)      121  
   data-arc span      6960 days (19.06 yr)  
   first obs. used      2000-06-04  
   last obs. used      2019-06-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56271  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:35:25  

Additional Information
 Earth MOID = 1.21235 au 
 Jupiter MOID = 2.4253 au 
 T_jup = 3.482 
[ 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 17.3   n/a MPO434585  

434591 (2005 UH221)          Discovered 2005-Oct-25 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04

Alternate Designations
 2005 UH221 = 2009 WV122 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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