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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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08446348436640906 3.5762e-08  
a 2.341951540248006 7.5867e-09 au
q 2.144142152941381 8.4115e-08 au
i 3.649897722802812 4.2267e-06 deg
node 130.7016993689246 5.8251e-05 deg
peri 165.9454689540331 6.3918e-05 deg
M 13.77565669554109 2.7649e-05 deg
tp 2458950.407224679282
(2020-Apr-10.90722468)
0.00010048 TDB
period 1309.07727406531
3.58
6.3611e-06
1.742e-08
d
yr
n .2750028643320864 1.3363e-09 deg/d
Q 2.539760927554631 8.2275e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1705  
   data-arc span      14163 days (38.78 yr)  
   first obs. used      1981-10-24  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50884  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:55:02  

Additional Information
 Earth MOID = 1.12848 au 
 Jupiter MOID = 2.59268 au 
 T_jup = 3.556 
[ 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 14.6   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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