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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09672436108005371 3.5102e-08  
a 2.346113534345378 8.0184e-09 au
q 2.119187201714555 8.0449e-08 au
i .9071738159521044 3.7711e-06 deg
node 305.3166272125514 0.00026954 deg
peri 37.97483645919039 0.00027057 deg
M 131.8925860011311 2.3819e-05 deg
tp 2458915.616532051621
(2020-Mar-07.11653205)
8.6295e-05 TDB
period 1312.568459761125
3.59
6.729e-06
1.842e-08
d
yr
n .2742714083389726 1.4061e-09 deg/d
Q 2.573039866976201 8.7939e-09 au
  Orbit Determination Parameters
   # obs. used (total)      793  
   data-arc span      8697 days (23.81 yr)  
   first obs. used      1997-04-11  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56327  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:42:58  

Additional Information
 Earth MOID = 1.11039 au 
 Jupiter MOID = 2.74211 au 
 T_jup = 3.554 
[ 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 16.33   n/a MPCxxxxx  
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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