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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08445179539050837 3.8858e-08  
a 2.34121819998852 9.3255e-09 au
q 2.143498119598556 9.2821e-08 au
i 3.648922994396792 4.3655e-06 deg
node 130.7192995067273 6.3186e-05 deg
peri 166.3698736635815 7.0787e-05 deg
M 263.3572131942023 3.5401e-05 deg
tp 2458951.759604704398
(2020-Apr-12.25960470)
0.00012965 TDB
period 1308.462450981361
3.58
7.8178e-06
2.14e-08
d
yr
n .275132083255424 1.6439e-09 deg/d
Q 2.538938280378485 1.0113e-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 = 1.12713 au 
 Jupiter MOID = 2.59449 au 
 T_jup = 3.557 
[ 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 14.5   n/a MPO337384  

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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