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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08446351002090527 3.8858e-08  
a 2.341951537714842 9.6065e-09 au
q 2.14414209054059 9.2969e-08 au
i 3.649897670058915 4.3667e-06 deg
node 130.7017119440937 6.3143e-05 deg
peri 165.9454599402657 7.0733e-05 deg
M 13.77564945974456 3.5673e-05 deg
tp 2458950.407251072269
(2020-Apr-10.90725107)
0.00012957 TDB
period 1309.077271941372
3.58
8.0546e-06
2.205e-08
d
yr
n .2750028647782701 1.6921e-09 deg/d
Q 2.539760984889095 1.0418e-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 = 1.12848 au 
 Jupiter MOID = 2.59268 au 
 T_jup = 3.556 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456267.5 (2012-Dec-06.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08465899695592964 3.8945e-08  
q 2.143377695611389 9.3145e-08 au
tp 2456331.173229101359
(2013-Feb-07.67322910)
0.00012226 TDB
node 130.736913525779 6.3202e-05 deg
peri 165.5658623756202 7.0721e-05 deg
i 3.647791991003011 4.3645e-06 deg
  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
 Jupiter MOID = 2.59268 au 
 T_jup = 3.556 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.516674998145445E-15 -3.612368327070875E-15 -2.074877349241009E-13 -6.228342560246185E-16 -1.322149806468506E-14 7.851367219201861E-16
q -3.612368327070875E-15 8.676049663853938E-15 8.944613331949152E-13 1.166514179851941E-16 1.347750653316252E-13 -1.67646097275504E-15
tp -2.074877349241009E-13 8.944613331949152E-13 1.494756447637802E-8 -3.662559369769558E-11 3.893372705079711E-9 2.993701211258548E-12
node -6.228342560246185E-16 1.166514179851941E-16 -3.662559369769558E-11 3.994456290410407E-9 -3.99540067910064E-9 4.95032183448229E-11
peri -1.322149806468506E-14 1.347750653316252E-13 3.893372705079711E-9 -3.99540067910064E-9 5.001416819972934E-9 -4.86119908296529E-11
i 7.851367219201861E-16 -1.67646097275504E-15 2.993701211258548E-12 4.95032183448229E-11 -4.86119908296529E-11 1.904869157414269E-11

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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