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5425 Vojtech (1984 SA1)
Classification: Main-belt Asteroid          SPK-ID: 2005425
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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1348293109070299 7.4107e-08  
a 2.454109196059079 1.645e-08 AU
q 2.123223344263828 1.7969e-07 AU
i 6.268568827045981 8.3135e-06 deg
node 355.9437116039131 4.8191e-05 deg
peri 25.4025227460127 5.3605e-05 deg
M 246.8755936336005 2.2835e-05 deg
tp 2457241.758478905374
(2015-Aug-07.25847891)
8.9839e-05 JED
period 1404.233246461638
3.84
1.4119e-05
3.866e-08
d
yr
n .2563676660605506 2.5777e-09 deg/d
Q 2.78499504785433 1.8668e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1167  
   data-arc span      21306 days (58.33 yr)  
   first obs. used      1955-03-25  
   last obs. used      2013-07-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53488  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-26 18:47:35  

Additional Information
 Earth MOID = 1.12596 AU 
 T_jup = 3.473 
[ 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 12.9 mag n/a MPO267729  
rotation period rot_per 2.648 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:
[Vander Haagen, G.A. (2012) Minor Planet Bul. 39, 48-50.]

5425 Vojtech (1984 SA1)          Discovered 1984-Sep-20 by Mrkos, A. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1984 SA1 = 1973 YP2 = 1990 DY4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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