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18653 Christagunt (1998 FW15)
Classification: Main-belt Asteroid          SPK-ID: 2018653
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1657513058614244 8.3686e-08  
a 2.386057165886139 1.8222e-08 AU
q 1.990565074780502 1.9763e-07 AU
i 10.46876811111609 1.0091e-05 deg
node 59.49986235426812 3.826e-05 deg
peri 142.9477616047662 4.6379e-05 deg
M 126.6007521467244 2.5752e-05 deg
tp 2456327.072502835895
(2013-Feb-03.57250284)
9.5575e-05 JED
period 1346.231330296939
3.69
1.5421e-05
4.222e-08
d
yr
n .2674131792197961 3.0632e-09 deg/d
Q 2.781549256991776 2.1242e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      457  
   data-arc span      21657 days (59.29 yr)  
   first obs. used      1954-04-08  
   last obs. used      2013-07-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5235  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 22:10:35  

Additional Information
 Earth MOID = .996375 AU 
 T_jup = 3.494 
[ 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 14.6 mag n/a MPO267777  

18653 Christagünt           Discovered 1998 Mar. 28 at the Starkenburg Observatory, Heppenheim.
Christa (b. 1938) and Günter Rothermel (b. 1938) are the parents of Jens Rothermel, one of the discoverers of this minor planet. They led him to astronomy as his hobby. They support their two children (Thomas and Jens) in an excellent way. The family lives at the "Bergstrasse", a beautiful region in Germany.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030318/MPCPages.arcLast Updated: 2003-10-02
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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