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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1611655677178761 6.2432e-08  
a 2.275768433583086 1.1492e-08 au
q 1.908992921990246 1.4156e-07 au
i 3.995120049154819 5.6724e-06 deg
node 20.71302419612309 7.9581e-05 deg
peri 322.3543943378821 8.0829e-05 deg
M 357.2382146270697 1.5045e-05 deg
tp 2457410.120063860851
(2016-Jan-22.62006386)
5.2435e-05 JED
period 1253.979771147766
3.43
9.4981e-06
2.6e-08
d
yr
n .2870859708290928 2.1745e-09 deg/d
Q 2.642543945175925 1.3344e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1247  
   data-arc span      22616 days (61.92 yr)  
   first obs. used      1953-05-18  
   last obs. used      2015-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55338  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 15:53:34  

Additional Information
 Earth MOID = .901227 au 
 Jupiter MOID = 2.74069 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
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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