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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1611153687849578 6.2522e-08  
a 2.275336181961232 1.1499e-08 AU
q 1.90874455389479 1.4169e-07 AU
i 3.995283744432807 5.6769e-06 deg
node 20.71733091315863 7.9646e-05 deg
peri 322.423217074953 8.0894e-05 deg
M 242.3165997254089 1.4725e-05 deg
tp 2457410.307114423150
(2016-Jan-22.80711442)
5.2458e-05 JED
period 1253.622523211432
3.43
9.503e-06
2.602e-08
d
yr
n .2871677824340457 2.1769e-09 deg/d
Q 2.641927810027674 1.3351e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1238  
   data-arc span      22594 days (61.86 yr)  
   first obs. used      1953-05-18  
   last obs. used      2015-03-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55516  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:23:55  

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
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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