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79651 (1998 SD17)
Classification: Main-belt Asteroid          SPK-ID: 2079651
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05961207827922745 3.673e-08  
a 2.333094436934811 1.0732e-08 au
q 2.194013828727423 8.6033e-08 au
i 2.277905473582326 4.4347e-06 deg
node 58.77956942112196 0.00010405 deg
peri 235.8727479867651 0.00011204 deg
M 96.90685102389324 3.9912e-05 deg
tp 2458650.112273810383
(2019-Jun-15.61227381)
0.00014484 TDB
period 1301.658036511383
3.56
8.9814e-06
2.459e-08
d
yr
n .2765703356043098 1.9083e-09 deg/d
Q 2.472175045142199 1.1372e-08 au
  Orbit Determination Parameters
   # obs. used (total)      643  
   data-arc span      10175 days (27.86 yr)  
   first obs. used      1991-10-13  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58081  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:49:01  

Additional Information
 Earth MOID = 1.17892 au 
 Jupiter MOID = 2.61451 au 
 T_jup = 3.566 
[ 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 16.4   n/a MPO436338  
rotation period rot_per 30.77 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-H.; Lin, H.-W.; Ip, W.-H.; Chen, W.-P.; et al. (2019) ArXiv:1901.08719.]

79651 (1998 SD17)          Discovered 1998-Sep-17 by Spacewatch at Kitt Peak
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1998 SD17 = 2000 CV123 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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