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5031 Svejcar (1990 FW1)
Classification: Main-belt Asteroid          SPK-ID: 2005031
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1254539497755615 3.3925e-08  
a 2.435851331131073 8.361e-09 au
q 2.13026416057462 8.4451e-08 au
i 2.341259918079648 3.6305e-06 deg
node 64.57432516677116 8.7613e-05 deg
peri 166.2373002628179 8.8658e-05 deg
M 296.4508900094256 1.3889e-05 deg
tp 2459245.621590543364
(2021-Jan-31.12159054)
5.3849e-05 TDB
period 1388.591793161217
3.80
7.1494e-06
1.957e-08
d
yr
n .2592554570558402 1.3348e-09 deg/d
Q 2.741438501687525 9.4099e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1993  
   data-arc span      24330 days (66.61 yr)  
   first obs. used      1953-09-17  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46896  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:15:23  

Additional Information
 Earth MOID = 1.11972 au 
 Jupiter MOID = 2.24425 au 
 T_jup = 3.493 
[ 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 14.1   n/a MPO350842  
diameter diameter 8.459 km 0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

5031 Svejcar (1990 FW1)          Discovered 1990-Mar-16 by Vavrova, Z. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1990 FW1 = 1975 JL 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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