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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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08419807855257182 3.3154e-08  
a 2.341144903747616 6.3639e-09 au
q 2.144025001238921 7.6494e-08 au
i 3.650171529472334 3.7934e-06 deg
node 130.7038393560051 5.2271e-05 deg
peri 165.8120673775678 5.7247e-05 deg
M 68.92715781657044 2.3441e-05 deg
tp 2458949.987881657305
(2020-Apr-10.48788166)
8.5261e-05 TDB
period 1308.401005643806
3.58
5.335e-06
1.461e-08
d
yr
n .2751450040523777 1.1219e-09 deg/d
Q 2.538264806256311 6.8998e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2144  
   data-arc span      14356 days (39.30 yr)  
   first obs. used      1981-10-24  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48071  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:40:01  

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 14.63   n/a MPCxxxxx  

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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