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79648 (1998 SQ15)
Classification: Main-belt Asteroid          SPK-ID: 2079648
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1766920821963637 3.0532e-08  
a 2.537927781650554 1.0982e-08 au
q 2.08949603744672 7.5761e-08 au
i 1.138782470266003 3.2917e-06 deg
node 218.581558290508 0.00034333 deg
peri 207.1513510904146 0.00034393 deg
M 77.99093846604404 2.1339e-05 deg
tp 2458680.567056231811
(2019-Jul-16.06705623)
8.7351e-05 TDB
period 1476.785149940125
4.04
9.5856e-06
2.624e-08
d
yr
n .2437727654659825 1.5823e-09 deg/d
Q 2.986359525854389 1.2923e-08 au
  Orbit Determination Parameters
   # obs. used (total)      657  
   data-arc span      7888 days (21.60 yr)  
   first obs. used      1998-09-16  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56395  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:42:49  

Additional Information
 Earth MOID = 1.10323 au 
 Jupiter MOID = 2.31818 au 
 T_jup = 3.425 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO412658  

79648 (1998 SQ15)          Discovered 1998-Sep-16 by Spacewatch at Kitt Peak
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1998 SQ15 = 2000 DK54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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