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JPL Small-Body Database Browser
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12985 (1980 UW1)
Classification: Main-belt Asteroid          SPK-ID: 2012985
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1950627477614395 4.037e-08  
a 2.397027688169029 7.3996e-09 au
q 1.929456880854528 9.7233e-08 au
i 1.655325696361648 3.8805e-06 deg
node 309.4832855532835 0.00013903 deg
peri 40.77236383154362 0.00013925 deg
M 163.4710446240097 8.2856e-06 deg
tp 2457984.974088528741
(2017-Aug-19.47408853)
3.0516e-05 TDB
period 1355.52647038696
3.71
6.2767e-06
1.718e-08
d
yr
n .2655794688371016 1.2298e-09 deg/d
Q 2.864598495483531 8.8429e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1390  
   data-arc span      14047 days (38.46 yr)  
   first obs. used      1980-10-14  
   last obs. used      2019-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49068  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:19:58  

Additional Information
 Earth MOID = .922854 au 
 Jupiter MOID = 2.56132 au 
 T_jup = 3.502 
[ 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 14.9   n/a MPO381368  

12985 (1980 UW1)          Discovered 1980-Oct-31 by Bus, S. J. at Palomar
Reference: 20000124/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1980 UW1 = 1991 TX7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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