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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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0844634982944637 3.3532e-08  
a 2.341951536129439 6.4299e-09 au
q 2.144142116551854 7.7466e-08 au
i 3.649896130124 3.8776e-06 deg
node 130.7017283910564 5.2323e-05 deg
peri 165.9454294259739 5.7263e-05 deg
M 13.77567074631333 2.3372e-05 deg
tp 2458950.407173718237
(2020-Apr-10.90717372)
8.5001e-05 TDB
period 1309.077270612087
3.58
5.3912e-06
1.476e-08
d
yr
n .2750028650575183 1.1325e-09 deg/d
Q 2.539760955707025 6.973e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2020  
   data-arc span      14266 days (39.06 yr)  
   first obs. used      1981-10-24  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48235  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:57:58  

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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