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79695 (1998 SA66)
Classification: Main-belt Asteroid          SPK-ID: 2079695
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2342777161492287 3.0655e-08  
a 2.318807860072639 6.5664e-09 au
q 1.775562850425941 7.0721e-08 au
i 4.198847622508596 3.5727e-06 deg
node 133.9183104706489 4.7381e-05 deg
peri 173.8437487791605 4.7993e-05 deg
M 208.5249632074818 7.8829e-06 deg
tp 2459939.167907047860
(2022-Dec-25.66790705)
2.881e-05 TDB
period 1289.720409870725
3.53
5.4783e-06
1.5e-08
d
yr
n .2791302651681574 1.1857e-09 deg/d
Q 2.862052869719337 8.1048e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1139  
   data-arc span      8272 days (22.65 yr)  
   first obs. used      1998-09-18  
   last obs. used      2021-05-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53739  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:02:32  

Additional Information
 Earth MOID = .760322 au 
 Jupiter MOID = 2.40452 au 
 T_jup = 3.538 
[ 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 15.71   n/a MPCxxxxx  
rotation period rot_per 55.235 h n/a LCDB (Rev. 2020-October); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

79695 (1998 SA66)          Discovered 1998-Sep-20 by Elst, E. W. at La Silla
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1998 SA66 = 2000 AB1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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