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JPL Small-Body Database Browser
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14816 (1981 UQ22)
Classification: Main-belt Asteroid          SPK-ID: 2014816
[ 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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08446351002090527 3.8858e-08  
a 2.341951537714842 9.6065e-09 au
q 2.14414209054059 9.2969e-08 au
i 3.649897670058915 4.3667e-06 deg
node 130.7017119440937 6.3143e-05 deg
peri 165.9454599402657 7.0733e-05 deg
M 13.77564945974456 3.5673e-05 deg
tp 2458950.407251072269
(2020-Apr-10.90725107)		 0.00012957 TDB
period 1309.077271941372
3.58		 8.0546e-06
2.205e-08		 d
yr
n .2750028647782701 1.6921e-09 deg/d
Q 2.539760984889095 1.0418e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1563  
   data-arc span      13713 days (37.54 yr)  
   first obs. used      1981-10-24  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50661  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:16:33  

Additional Information
 Earth MOID = 1.12848 au 
 Jupiter MOID = 2.59268 au 
 T_jup = 3.556 
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[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6   n/a MPO473967  

14816 (1981 UQ22)          Discovered 1981-Oct-24 by Bus, S. J. at Palomar
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1981 UQ22 = 1998 KB48 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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