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 ]  
1682 Karel (1949 PH)
Classification: Main-belt Asteroid          SPK-ID: 2001682
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1910060465700756 5.555e-08  
a 2.239763251191308 7.0152e-09 AU
q 1.811954927328317 1.2343e-07 AU
i 4.027068695899462 5.6555e-06 deg
node 325.7986870947464 7.6393e-05 deg
peri 9.745216897804569 7.7636e-05 deg
M 113.6534774628718 1.4378e-05 deg
tp 2456413.971228383934
(2013-May-01.47122838)
4.8221e-05 JED
period 1224.338761013636
3.35
5.7522e-06
1.575e-08
d
yr
n .2940362679541031 1.3814e-09 deg/d
Q 2.667571575054299 8.3552e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      1327  
   data-arc span      30845 days (84.45 yr)  
   first obs. used      1929-09-27  
   last obs. used      2014-03-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52181  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 10:37:39  

Additional Information
 Earth MOID = .801061 AU 
 T_jup = 3.608 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.7 mag n/a MPO267714  
rotation period rot_per 3.37485 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) Published Reference List:
[Behrend, R. (2008) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]

1682 Karel (1949 PH)          Discovered 1949-Aug-02 by Reinmuth, K. at Heidelberg (024)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1949 PH = 1929 SD = 1939 RK = 1946 WC = 1949 QQ = 1949 QX1 = 1949 SL = 1959 PH = 1988 CR3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Apr-16 16:05 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin