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 ]  
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1949518426541444 3.9038e-08  
a 2.634603373040261 1.8806e-08 au
q 2.120982590803238 1.0178e-07 au
i 12.70913948321424 5.0615e-06 deg
node 97.050769749365 2.1032e-05 deg
peri 229.80302307 2.5476e-05 deg
M 176.1717986028659 1.7134e-05 deg
tp 2458236.127278861070
(2018-Apr-27.62727886)
7.0769e-05 TDB
period 1561.96497846017
4.28
1.6724e-05
4.579e-08
d
yr
n .2304789191591853 2.4678e-09 deg/d
Q 3.148224155277284 2.2472e-08 au
  Orbit Determination Parameters
   # obs. used (total)      519  
   data-arc span      7267 days (19.90 yr)  
   first obs. used      2000-05-27  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56774  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:56:00  

Additional Information
 Earth MOID = 1.13193 au 
 Jupiter MOID = 2.22031 au 
 T_jup = 3.337 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457304.5 (2015-Oct-09.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1959679854984594 3.9299e-08  
q 2.117838963749902 1.026e-07 au
tp 2456671.316771303453
(2014-Jan-13.81677130)
6.4939e-05 TDB
node 97.23838911507991 2.102e-05 deg
peri 229.14618570809 2.5371e-05 deg
i 12.71627916241817 5.0619e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      519  
   data-arc span      7267 days (19.90 yr)  
   first obs. used      2000-05-27  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56774  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:56:00  

Additional Information
 Jupiter MOID = 2.22031 au 
 T_jup = 3.337 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.544417764585748E-15 -3.989174087695216E-15 2.030940229328301E-13 -1.027702530721909E-14 2.720524940280885E-14 1.244408185000775E-16
q -3.989174087695216E-15 1.052762599905272E-14 -3.504452060265322E-13 2.816532493071776E-14 -1.487168732604601E-14 7.957818076384037E-16
tp 2.030940229328301E-13 -3.504452060265322E-13 4.217073469370865E-9 -3.379810679169072E-12 9.439205309676622E-10 -5.344396117240992E-12
node -1.027702530721909E-14 2.816532493071776E-14 -3.379810679169072E-12 4.418303216243275E-10 -4.308399701597941E-10 -1.565312177977487E-11
peri 2.720524940280885E-14 -1.487168732604601E-14 9.439205309676622E-10 -4.308399701597941E-10 6.436864310475179E-10 1.414485185741493E-11
i 1.244408185000775E-16 7.957818076384037E-16 -5.344396117240992E-12 -1.565312177977487E-11 1.414485185741493E-11 2.562267600938688E-11

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-09 03:50 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin