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13061 (1991 FL2)
Classification: Main-belt Asteroid          SPK-ID: 2013061
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09385108057193395 6.6877e-08  
a 2.812668396066281 2.4947e-08 AU
q 2.548696427804933 1.8457e-07 AU
i 11.06091676450081 8.3591e-06 deg
node 347.3757969448353 3.0156e-05 deg
peri 49.28235452803427 5.06e-05 deg
M 135.1629113966569 4.0499e-05 deg
tp 2456353.608769078231
(2013-Mar-02.10876908)
0.00019243 JED
period 1722.96409366628
4.72
2.2922e-05
6.276e-08
d
yr
n .2089422532503037 2.7798e-09 deg/d
Q 3.07664036432763 2.7288e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      961  
   data-arc span      11135 days (30.49 yr)  
   first obs. used      1984-11-21  
   last obs. used      2015-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50801  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:16:38  

Additional Information
 Earth MOID = 1.56836 AU 
 T_jup = 3.287 
[ 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 13.1 mag n/a MPO296243  
rotation period rot_per 11.8116 h n/a LCDB (Rev. 2015-July); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J., in press.]

13061 (1991 FL2)          Discovered 1991-Mar-20 by Debehogne, H. at La Silla
Reference: 20000124/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 FL2 = 1984 WY4 = 1998 RZ 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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