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JPL Small-Body Database Browser
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146649 (2001 UD89)
Classification: Main-belt Asteroid          SPK-ID: 2146649
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1946827176401761 3.9324e-08  
a 2.634863693435337 1.963e-08 au
q 2.121901268985914 1.0314e-07 au
i 12.70889806879361 5.5157e-06 deg
node 97.05100834896561 2.5416e-05 deg
peri 229.7797492834211 3.0415e-05 deg
M 84.04054212446614 1.7942e-05 deg
tp 2458235.811556563292
(2018-Apr-27.31155656)
7.6816e-05 TDB
period 1562.196486581135
4.28
1.7458e-05
4.78e-08
d
yr
n .2304447635699524 2.5753e-09 deg/d
Q 3.14782611788476 2.3452e-08 au
  Orbit Determination Parameters
   # obs. used (total)      444  
   data-arc span      6803 days (18.63 yr)  
   first obs. used      2000-05-27  
   last obs. used      2019-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58035  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:14:47  

Additional Information
 Earth MOID = 1.13199 au 
 Jupiter MOID = 2.21784 au 
 T_jup = 3.337 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO453932  

146649 (2001 UD89)          Discovered 2001-Oct-20 by NEAT at Haleakala
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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