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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04440381546286859 4.5495e-08  
a 1.874987536098041 6.882e-09 AU
q 1.791730935549965 8.5961e-08 AU
i 23.83087023436187 1.0427e-05 deg
node 334.6622574578225 1.2807e-05 deg
peri 110.3379321794457 0.00013065 deg
M 92.90571994034107 0.00012629 deg
tp 2456758.488525956919
(2014-Apr-10.98852596)
0.00032907 JED
period 937.7692860187225
2.57
5.163e-06
1.414e-08
d
yr
n .3838897321199029 2.1135e-09 deg/d
Q 1.958244136646117 7.1875e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      769  
   data-arc span      28640 days (78.41 yr)  
   first obs. used      1936-09-23  
   last obs. used      2015-02-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .43265  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:04:52  

Additional Information
 Earth MOID = .848277 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-Feb); 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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