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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08410007768887841 3.3166e-08  
a 2.341280055028371 6.3407e-09 au
q 2.144378220509064 7.6493e-08 au
i 3.650169068724711 3.7933e-06 deg
node 130.7031646258446 5.2269e-05 deg
peri 165.847094552543 5.7258e-05 deg
M 122.8286916384283 2.3457e-05 deg
tp 2458950.046943989360
(2020-Apr-10.54694399)
8.5363e-05 TDB
period 1308.514305736904
3.58
5.3156e-06
1.455e-08
d
yr
n .2751211801213454 1.1176e-09 deg/d
Q 2.538181889547679 6.874e-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-Jul-08 17:20:50  

Additional Information
 Earth MOID = 1.12828 au 
 Jupiter MOID = 2.59125 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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