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79128 (1990 SB13)
Classification: Main-belt Asteroid          SPK-ID: 2079128
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2330326464193702 6.4305e-08  
a 2.385389751489545 1.4293e-08 au
q 1.829516064958293 1.5849e-07 au
i .4218907163954267 6.4145e-06 deg
node 192.7901469990969 0.00071752 deg
peri 139.1821950895333 0.00071784 deg
M 325.0831186387434 1.2645e-05 deg
tp 2457531.017996005855
(2016-May-22.51799601)
4.7897e-05 JED
period 1345.666529492619
3.68
1.2095e-05
3.311e-08
d
yr
n .2675254174120963 2.4045e-09 deg/d
Q 2.941263438020798 1.7624e-08 au
  Orbit Determination Parameters
   # obs. used (total)      660  
   data-arc span      9009 days (24.67 yr)  
   first obs. used      1990-09-22  
   last obs. used      2015-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55961  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 18:44:45  

Additional Information
 Earth MOID = .817028 au 
 Jupiter MOID = 2.41715 au 
 T_jup = 3.498 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8 mag n/a MPO250888  
rotation period rot_per 4.3 h n/a LCDB (Rev. 2015-December); 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.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]

79128 (1990 SB13)          Discovered 1990-Sep-22 by Debehogne, H. at La Silla
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1990 SB13 = 2000 GR183 = 2001 MP23 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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