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JPL Small-Body Database Browser
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5425 Vojtech (1984 SA1)
Classification: Main-belt Asteroid          SPK-ID: 2005425
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .134587986897034 5.4343e-08  
a 2.454287842827221 9.9862e-09 au
q 2.123970182795242 1.2978e-07 au
i 6.259768796587063 4.8255e-06 deg
node 355.8581995749923 3.5334e-05 deg
peri 26.2342199520364 3.814e-05 deg
M 89.97055781874637 1.4094e-05 deg
tp 2458649.518210899027
(2019-Jun-15.01821090)
5.4542e-05 TDB
period 1404.386580895725
3.85
8.5714e-06
2.347e-08
d
yr
n .2563396751985412 1.5645e-09 deg/d
Q 2.784605502859201 1.133e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2112  
   data-arc span      23690 days (64.86 yr)  
   first obs. used      1955-03-25  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48646  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:37:41  

Additional Information
 Earth MOID = 1.12841 au 
 Jupiter MOID = 2.68848 au 
 T_jup = 3.473 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.1   n/a MPO365313  
diameter diameter 7.052 km 0.130 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.64759 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Vander Haagen, G.A. (2012) Minor Planet Bull. 39, 48-50.]
[Stephens, R.D.; Warner, B.D. (2015) CBET 4200.]
[Stephens, R.D.; Warner, B.D. (2016) Minor Planet Bull. 43, 165-166.]
geometric albedo albedo 0.246   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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

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Alternate Designations
 1984 SA1 = 1973 YP2 = 1990 DY4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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