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6618 (1936 SO)
Classification: Inner Main-belt Asteroid          SPK-ID: 2006618
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 .04426305401037055 4.5379e-08  
a 1.875100398681971 6.8233e-09 au
q 1.792102728460243 8.5674e-08 au
i 23.83099305276928 1.0289e-05 deg
node 334.6614973889629 1.2774e-05 deg
peri 110.2467985068906 0.00012877 deg
M 246.5563545007583 0.00012451 deg
tp 2457696.037700186266
(2016-Nov-03.53770019)
0.0003243 JED
period 937.8539591075377
2.57
5.1192e-06
1.402e-08
d
yr
n .3838550730676407 2.0952e-09 deg/d
Q 1.958098068903698 7.1254e-09 au
  Orbit Determination Parameters
   # obs. used (total)      784  
   data-arc span      28817 days (78.90 yr)  
   first obs. used      1936-09-23  
   last obs. used      2015-08-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .42946  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:19:41  

Additional Information
 Earth MOID = .848282 au 
 Jupiter MOID = 3.10673 au 
 T_jup = 3.872 
[ 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 13.3 mag n/a PDS3 (MPC 28115)  
rotation period rot_per 4.142 h n/a LCDB (Rev. 2015-December); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2014) Minor Planet Bul. 41, 27-32.]

6618 (1936 SO)          Discovered 1936-Sep-16 by Tombaugh, C. W. at Flagstaff
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1936 SO = 1977 QM2 = 1994 CL1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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