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13518 (1990 VL1)
Classification: Main-belt Asteroid          SPK-ID: 2013518
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2153112722861635 1.0534e-07  
a 2.558094853260536 2.3866e-08 AU
q 2.007308195776323 2.776e-07 AU
i 8.470026779328736 6.7884e-06 deg
node 238.8356463839204 6.7053e-05 deg
peri 112.261804792147 6.9088e-05 deg
M 311.177614147257 2.13e-05 deg
tp 2457003.170197495237
(2014-Dec-11.67019750)
9.0435e-05 JED
period 1494.422483127915
4.09
2.0914e-05
5.726e-08
d
yr
n .2408957333447626 3.3713e-09 deg/d
Q 3.108881510744748 2.9005e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      865  
   data-arc span      8206 days (22.47 yr)  
   first obs. used      1990-11-12  
   last obs. used      2013-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59123  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 17:33:09  

Additional Information
 Earth MOID = 1.01927 AU 
 T_jup = 3.389 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8 mag n/a PDS3 (MPC 38321)  
rotation period rot_per 6.885 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]

13518 (1990 VL1)          Discovered 1990-Nov-12 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 VL1 = 1994 UW11 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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