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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1611153683056377 6.2412e-08  
a 2.275336181858223 1.1485e-08 AU
q 1.908744554898992 1.4147e-07 AU
i 3.995283614153789 5.6725e-06 deg
node 20.71733278146037 7.9582e-05 deg
peri 322.4232152364837 8.0832e-05 deg
M 242.3165997574435 1.4723e-05 deg
tp 2457410.307114283767
(2016-Jan-22.80711428)
5.245e-05 JED
period 1253.622523126301
3.43
9.4919e-06
2.599e-08
d
yr
n .2871677824535467 2.1743e-09 deg/d
Q 2.641927808817454 1.3336e-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 = .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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