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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 59 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .009053453922273767 6.7956e-08  
a 3.166393453270659 2.0353e-08 AU
q 3.137726656041684 2.1334e-07 AU
i 13.32950638988234 7.0438e-06 deg
node 44.33792653563145 2.063e-05 deg
peri 183.4675804228938 0.00029283 deg
M 256.4933769683259 0.00029274 deg
tp 2457392.213372371514
(2016-Jan-04.71337237)
0.0016746 JED
period 2058.001776258894
5.63
1.9843e-05
5.433e-08
d
yr
n .1749269627232394 1.6866e-09 deg/d
Q 3.195060250499635 2.0537e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1097  
   data-arc span      38676 days (105.89 yr)  
   first obs. used      1908-04-07  
   last obs. used      2014-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57703  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 10:34:04  

Additional Information
 Earth MOID = 2.12821 AU 
 T_jup = 3.161 
[ 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 8.3 mag n/a MPO253362  
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. 2013-Sep-12) 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-Apr-17 15:32 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin