Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08446346833855262 3.7469e-08  
a 2.341951546096484 8.6318e-09 au
q 2.144142195832339 8.9287e-08 au
i 3.649898016441497 4.2326e-06 deg
node 130.7016754985373 6.1271e-05 deg
peri 165.9455109301387 6.7904e-05 deg
M 13.77563354549081 3.2068e-05 deg
tp 2458950.407308672764
(2020-Apr-10.90730867)
0.00011649 TDB
period 1309.077278968983
3.58
7.2374e-06
1.981e-08
d
yr
n .2750028633019531 1.5204e-09 deg/d
Q 2.539760896360629 9.3609e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1625  
   data-arc span      14109 days (38.63 yr)  
   first obs. used      1981-10-24  
   last obs. used      2020-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51682  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:46:14  

Additional Information
 Earth MOID = 1.12848 au 
 Jupiter MOID = 2.59268 au 
 T_jup = 3.556 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456412.5 (2013-Apr-30.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08456149865892081 3.7521e-08  
q 2.14337669433225 8.938e-08 au
tp 2456331.096858801132
(2013-Feb-07.59685880)
0.00011115 TDB
node 130.7363132926527 6.1325e-05 deg
peri 165.5416813448354 6.7912e-05 deg
i 3.647935847437404 4.2306e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1625  
   data-arc span      14109 days (38.63 yr)  
   first obs. used      1981-10-24  
   last obs. used      2020-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51682  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:46:14  

Additional Information
 Jupiter MOID = 2.59268 au 
 T_jup = 3.556 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.407807364800395E-15 -3.341200219287275E-15 1.196317035015654E-13 -2.004076857883798E-15 7.037038441022366E-14 8.318837417552771E-16
q -3.341200219287275E-15 7.988803782248148E-15 -1.640051226385839E-14 3.462742155669434E-15 -9.702170312355719E-14 -1.803283706914091E-15
tp 1.196317035015654E-13 -1.640051226385839E-14 1.235425045959341E-8 -3.691508494263413E-11 3.25599507987515E-9 2.907459568507935E-12
node -2.004076857883798E-15 3.462742155669434E-15 -3.691508494263413E-11 3.760783360877912E-9 -3.762356868041805E-9 4.983383617425828E-11
peri 7.037038441022366E-14 -9.702170312355719E-14 3.25599507987515E-9 -3.762356868041805E-9 4.612086251603732E-9 -4.896054364240344E-11
i 8.318837417552771E-16 -1.803283706914091E-15 2.907459568507935E-12 4.983383617425828E-11 -4.896054364240344E-11 1.789798463151099E-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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-14 05:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin