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8740 Vaclav (1998 AS8)
Classification: Main-belt Asteroid          SPK-ID: 2008740
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .007143658161545633 5.5329e-08  
a 2.889174727019275 2.7462e-08 AU
q 2.868535450400473 1.5665e-07 AU
i 1.874962988267767 5.8373e-06 deg
node 180.1968029083833 0.00016246 deg
peri 210.6841353149912 0.0004668 deg
M 141.2777109827167 0.00043707 deg
tp 2455696.568683251260
(2011-May-15.06868325)		 0.0021754 JED
period 1793.73853289956
4.91		 2.5575e-05
7.002e-08		 d
yr
n .2006981471363408 2.8615e-09 deg/d
Q 2.909814003638078 2.7658e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      1341  
   data-arc span      8149 days (22.31 yr)  
   first obs. used      1990-12-12  
   last obs. used      2013-04-04  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .53525  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 13:32:33  

Additional Information
 Earth MOID = 1.8673 AU 
 T_jup = 3.290 
[ 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 13.4 mag n/a PDS3 (MPC 31696)  

8740 Vaclav (1998 AS8)          Discovered 1998-Jan-12 by Klet at Klet (046)
Reference: 19980511/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 AS8 = 1991 UY2 = 1991 VO17 = 1993 BN13 = 1996 VN38 
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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