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17758 (1998 DC18)
Classification: Main-belt Asteroid          SPK-ID: 2017758
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0833605096640917 3.3446e-08  
a 2.784998353940396 1.3522e-08 au
q 2.552839471742268 9.3788e-08 au
i 4.251251493735451 3.7895e-06 deg
node 47.80308177779334 5.0966e-05 deg
peri 265.9895537166743 5.5992e-05 deg
M 153.0062972997923 2.3576e-05 deg
tp 2458278.989516351600
(2018-Jun-09.48951635)		 0.00011138 TDB
period 1697.601854938665
4.65		 1.2364e-05
3.385e-08		 d
yr
n .2120638587621047 1.5445e-09 deg/d
Q 3.017157236138524 1.465e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1701  
   data-arc span      10280 days (28.15 yr)  
   first obs. used      1991-12-08  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5222  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:11:36  

Additional Information
 Earth MOID = 1.54338 au 
 Jupiter MOID = 2.19315 au 
 T_jup = 3.322 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2   n/a MPO313562  

17758 (1998 DC18)          Discovered 1998-Feb-23 by Spacewatch at Kitt Peak
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 DC18 = 2000 ML3 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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