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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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1913704039705409 4.4834e-08  
a 2.239640139723435 7.1386e-09 AU
q 1.811039301435923 9.9754e-08 AU
i 4.028150152256952 4.8159e-06 deg
node 325.7928291632131 6.7533e-05 deg
peri 9.859190319929828 6.855e-05 deg
M 172.2909773972895 1.327e-05 deg
tp 2456414.596861253092
(2013-May-02.09686125)
4.3944e-05 JED
period 1224.2378163687
3.35
5.8532e-06
1.603e-08
d
yr
n .2940605127423868 1.4059e-09 deg/d
Q 2.668240978010947 8.5047e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      1479  
   data-arc span      31221 days (85.48 yr)  
   first obs. used      1929-09-27  
   last obs. used      2015-03-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51925  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:06:40  

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
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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