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6061 (1981 SQ2)
Classification: Main-belt Asteroid          SPK-ID: 2006061
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1609689631151993 6.4863e-08  
a 2.275541695560627 1.0935e-08 AU
q 1.90925010830083 1.4681e-07 AU
i 3.995023667085844 5.8175e-06 deg
node 20.71891235413877 8.441e-05 deg
peri 322.4347494297983 8.5743e-05 deg
M 184.8613611992905 1.5704e-05 deg
tp 2457410.465248326543
(2016-Jan-22.96524833)
5.625e-05 JED
period 1253.792372152808
3.43
9.0377e-06
2.474e-08
d
yr
n .2871288803439334 2.0697e-09 deg/d
Q 2.641833282820424 1.2695e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1210  
   data-arc span      22223 days (60.84 yr)  
   first obs. used      1953-05-18  
   last obs. used      2014-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56482  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 13:49:43  

Additional Information
 Earth MOID = .902193 AU 
 T_jup = 3.589 
[ 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 13.7 mag n/a MPO253405  

6061 (1981 SQ2)          Discovered 1981-Sep-20 by Debehogne, H. at La Silla (809)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1981 SQ2 = 1964 TV1 = 1964 VG1 = 1985 XZ 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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