Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
508 Princetonia (1903 LQ)
Classification: Main-belt Asteroid          SPK-ID: 2000508
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 63 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .008613819306129256 4.1278e-08  
a 3.163779597766577 2.0261e-08 AU
q 3.136527371986997 1.2858e-07 AU
i 13.33095040115787 4.9599e-06 deg
node 44.25114258183702 1.6066e-05 deg
peri 188.9659346545682 0.00023009 deg
M 286.0369072128359 0.00023061 deg
tp 2457422.799260337987
(2016-Feb-04.29926034)
0.0013177 JED
period 2055.453983774717
5.63
1.9744e-05
5.406e-08
d
yr
n .1751437895675395 1.6824e-09 deg/d
Q 3.191031823546156 2.0435e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1155  
   data-arc span      38718 days (106.00 yr)  
   first obs. used      1908-04-07  
   last obs. used      2014-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58013  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 13:35:32  

Additional Information
 Earth MOID = 2.12833 AU 
 T_jup = 3.162 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 8.4 mag n/a MPO296126  
diameter diameter 142.35 km 2.6 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 24
rotation period rot_per 52.8 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Published Reference List:
[Piironen, J.; Bowell, E.; Erikson, A.; Magnusson, P. (1994) Astron. Astrophys. Suppl. Ser. 106, 587-595.]
geometric albedo albedo 0.0441   0.002 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 24
B-V BV .732 mag .015 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=4; phase (min.=1.13, mean=5.20, max.=7.94) deg.
U-B UB .325 mag .026 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=4; phase (min.=1.13, mean=5.20, max.=7.94) deg.
Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices

508 Princetonia (1903 LQ)          Discovered 1903-Apr-20 by Dugan, R. S. at Heidelberg (024)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1903 LQ = 1926 KA = A920 GF 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Sep-30 17:56 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin