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79649 (1998 SS15)
Classification: Main-belt Asteroid          SPK-ID: 2079649
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 .09667228246648331 5.174e-08  
a 2.345399452980123 1.0866e-08 au
q 2.118664334564893 1.2219e-07 au
i .9072802056791314 5.1654e-06 deg
node 305.3113394721426 0.0003293 deg
peri 37.7947257970052 0.00033014 deg
M 23.4440921182433 2.481e-05 deg
tp 2458915.061311238090
(2020-Mar-06.56131124)
9.0214e-05 TDB
period 1311.969250042017
3.59
9.1173e-06
2.496e-08
d
yr
n .2743966750657233 1.9069e-09 deg/d
Q 2.572134571395353 1.1916e-08 au
  Orbit Determination Parameters
   # obs. used (total)      572  
   data-arc span      7699 days (21.08 yr)  
   first obs. used      1997-04-11  
   last obs. used      2018-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61429  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 02:47:47  

Additional Information
 Earth MOID = 1.11062 au 
 Jupiter MOID = 2.74397 au 
 T_jup = 3.555 
[ 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 16.3   n/a MPO240774  
diameter diameter 3.637 km 0.248 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79649 (1998 SS15)          Discovered 1998-Sep-16 by Spacewatch at Kitt Peak
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1998 SS15 = 2000 CW68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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