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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04440381490932214 4.5525e-08  
a 1.874987536179616 6.8865e-09 AU
q 1.791730936665811 8.6027e-08 AU
i 23.83087054413751 1.0444e-05 deg
node 334.6622574268106 1.2807e-05 deg
peri 110.3379287137864 0.00013107 deg
M 92.90572326262077 0.00012668 deg
tp 2456758.488517286870
(2014-Apr-10.98851729)
0.00033008 JED
period 937.7692860799223
2.57
5.1664e-06
1.414e-08
d
yr
n .3838897320948499 2.1149e-09 deg/d
Q 1.958244135693422 7.1922e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      756  
   data-arc span      28243 days (77.33 yr)  
   first obs. used      1936-09-23  
   last obs. used      2014-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .43577  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 18:45:19  

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 8.297 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Published Reference List:
[Warner, B.D. (2009) Minor Planet Bul. 36, 7-13.]
[Warner, B.D. (2012) Minor Planet Bul. 39, 158-167.]

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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