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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08419808125195935 3.3322e-08  
a 2.341144904262192 6.3774e-09 au
q 2.144024995390513 7.6865e-08 au
i 3.65017143983972 3.8081e-06 deg
node 130.7038403518637 5.2313e-05 deg
peri 165.8120671967532 5.729e-05 deg
M 68.92715687815837 2.3448e-05 deg
tp 2458949.987884985322
(2020-Apr-10.48788499)
8.5289e-05 TDB
period 1308.401006075178
3.58
5.3462e-06
1.464e-08
d
yr
n .2751450039616639 1.1243e-09 deg/d
Q 2.53826481313387 6.9143e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2101  
   data-arc span      14324 days (39.22 yr)  
   first obs. used      1981-10-24  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4826  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:20:30  

Additional Information
 Earth MOID = 1.12638 au 
 Jupiter MOID = 2.59238 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 14.57   n/a E2020-QM5  

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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