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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1611153739583587 6.2682e-08  
a 2.275336182691405 1.1517e-08 AU
q 1.908744542736095 1.4202e-07 AU
i 3.995283881948711 5.6859e-06 deg
node 20.71732916330694 7.98e-05 deg
peri 322.42321858893 8.1047e-05 deg
M 242.3165993976828 1.4726e-05 deg
tp 2457410.307115761651
(2016-Jan-22.80711576)
5.2467e-05 JED
period 1253.622523814878
3.43
9.5183e-06
2.606e-08
d
yr
n .2871677822958141 2.1804e-09 deg/d
Q 2.641927822646715 1.3373e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1234  
   data-arc span      22308 days (61.08 yr)  
   first obs. used      1953-05-18  
   last obs. used      2014-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55548  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:13:32  

Additional Information
 Earth MOID = .903388 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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