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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1913704035928528 4.5033e-08  
a 2.239640140604306 7.2878e-09 AU
q 1.811039302994107 1.0018e-07 AU
i 4.028150363660826 4.8528e-06 deg
node 325.7927903623358 7.0635e-05 deg
peri 9.859227573243404 7.1734e-05 deg
M 172.2909778521395 1.3395e-05 deg
tp 2456414.596859360640
(2013-May-02.09685936)
4.4458e-05 JED
period 1224.237817090956
3.35
5.9755e-06
1.636e-08
d
yr
n .2940605125689018 1.4353e-09 deg/d
Q 2.668240978214505 8.6825e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      1377  
   data-arc span      31140 days (85.26 yr)  
   first obs. used      1929-09-27  
   last obs. used      2014-12-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52678  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 12:59:32  

Additional Information
 Earth MOID = .801964 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 MPO319103  
rotation period rot_per 3.37485 h n/a LCDB (Rev. 2015-Feb); Warner et al., 2009 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 ]
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