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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
434223 (2003 ST171)
Classification: Main-belt Asteroid          SPK-ID: 2434223
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2686369911592324 1.9374e-07  
a 2.592794016708349 5.8971e-08 au
q 1.896273633364157 5.4348e-07 au
i 4.112966458706931 6.9807e-06 deg
node 317.2062110530459 0.00016287 deg
peri 337.039524922404 0.0001655 deg
M 300.5342160932973 4.7269e-05 deg
tp 2458852.392419627010
(2020-Jan-03.89241963)
0.00020787 TDB
period 1524.931903832221
4.18
5.2025e-05
1.424e-07
d
yr
n .2360761153303332 8.054e-09 deg/d
Q 3.28931440005254 7.4813e-08 au
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      7147 days (19.57 yr)  
   first obs. used      1999-10-14  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60115  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:08:07  

Additional Information
 Earth MOID = .880387 au 
 Jupiter MOID = 1.93269 au 
 T_jup = 3.363 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457214.5 (2015-Jul-11.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2678476846087375 1.9368e-07  
q 1.898695096531476 5.4315e-07 au
tp 2457327.721125703500
(2015-Nov-01.22112570)
0.00016386 TDB
node 317.2308522927277 0.00016289 deg
peri 337.1103697464268 0.00016554 deg
i 4.111966279295415 6.9813e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      7147 days (19.57 yr)  
   first obs. used      1999-10-14  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60115  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:08:07  

Additional Information
 Jupiter MOID = 1.93269 au 
 T_jup = 3.363 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.751111423889006E-14 -1.051638174263679E-13 -2.359275346366449E-11 -1.970403012109674E-13 -2.977282173559808E-12 -1.346311754332025E-13
q -1.051638174263679E-13 2.950126539327568E-13 6.692841633546461E-11 5.85398837380501E-13 8.517096209066534E-12 3.81169681756044E-13
tp -2.359275346366449E-11 6.692841633546461E-11 2.685015035841707E-8 4.399486503646291E-10 4.883866534273026E-9 1.288514599715807E-10
node -1.970403012109674E-13 5.85398837380501E-13 4.399486503646291E-10 2.653191966636165E-8 -2.635650760936027E-8 4.880930008217916E-10
peri -2.977282173559808E-12 8.517096209066534E-12 4.883866534273026E-9 -2.635650760936027E-8 2.74027988469432E-8 -4.633610714698263E-10
i -1.346311754332025E-13 3.81169681756044E-13 1.288514599715807E-10 4.880930008217916E-10 -4.633610714698263E-10 4.873805486992627E-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 17.2   n/a MPO434582  
diameter diameter 2.924 km 0.702 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.025   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

434223 (2003 ST171)          Discovered 2003-Sep-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04

[ show close-approach data ]
Alternate Designations
 2003 ST171 = 2007 PY10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-11 03:17 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin