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 ]  
172535 (2003 UV21)
Classification: Main-belt Asteroid          SPK-ID: 2172535
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2399857482243086 5.9238e-08  
a 2.342922405108867 1.2471e-08 au
q 1.780654418687319 1.4388e-07 au
i 9.249072107113811 5.6878e-06 deg
node 275.59022777775 3.3567e-05 deg
peri 68.23092360249798 3.5417e-05 deg
M 258.3819355753242 1.405e-05 deg
tp 2459370.246185913093
(2021-Jun-04.74618591)
5.3137e-05 TDB
period 1309.891382819833
3.59
1.0459e-05
2.864e-08
d
yr
n .2748319476879218 2.1944e-09 deg/d
Q 2.905190391530415 1.5464e-08 au
  Orbit Determination Parameters
   # obs. used (total)      453  
   data-arc span      6135 days (16.80 yr)  
   first obs. used      2003-07-08  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5337  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:19:50  

Additional Information
 Earth MOID = .796862 au 
 Jupiter MOID = 2.56706 au 
 T_jup = 3.507 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456896.5 (2014-Aug-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2394274943355246 5.947e-08  
q 1.782143873523387 1.445e-07 au
tp 2456747.581237826370
(2014-Mar-31.08123783)
4.1424e-05 TDB
node 275.7771653157989 3.3494e-05 deg
peri 67.64638801278073 3.5368e-05 deg
i 9.258456884633365 5.6947e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      453  
   data-arc span      6135 days (16.80 yr)  
   first obs. used      2003-07-08  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5337  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:19:50  

Additional Information
 Jupiter MOID = 2.56706 au 
 T_jup = 3.507 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.536640606420492E-15 -8.579503135478517E-15 -8.271283068862602E-13 -2.015032863152755E-14 -2.625562711594584E-13 -9.739233638339522E-15
q -8.579503135478517E-15 2.088019458278398E-14 2.100098266368821E-12 5.0511102989006E-14 6.571698846972188E-13 2.507833917671448E-14
tp -8.271283068862602E-13 2.100098266368821E-12 1.715988149973035E-9 -1.776606250448206E-12 4.97800434132328E-10 3.515404451526227E-12
node -2.015032863152755E-14 5.0511102989006E-14 -1.776606250448206E-12 1.121830473466999E-9 -1.106278645036969E-9 4.128139271540748E-11
peri -2.625562711594584E-13 6.571698846972188E-13 4.97800434132328E-10 -1.106278645036969E-9 1.250870974770124E-9 -3.97260682597036E-11
i -9.739233638339522E-15 2.507833917671448E-14 3.515404451526227E-12 4.128139271540748E-11 -3.97260682597036E-11 3.242919699653886E-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 16.0   n/a MPO433108  
diameter diameter 2.130 km 0.175 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.155   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

172535 (2003 UV21)          Discovered 2003-Oct-21 by McClusky, J. V. at Kingsnake
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ 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-Jul-13 19:23 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin