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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .125349339263266 1.0461e-08  
a 2.435434955034924 8.0818e-09 au
q 2.130154792602634 2.8845e-08 au
i 2.341319004510775 3.192e-07 deg
node 64.57149722391658 1.7118e-05 deg
peri 166.296970134783 1.8459e-05 deg
M 348.2532698475072 1.0955e-05 deg
tp 2459245.797863720028
(2021-Jan-31.29786372)
4.2339e-05 TDB
period 1388.235766678394
3.80
6.9101e-06
1.892e-08
d
yr
n .2593219456240963 1.2908e-09 deg/d
Q 2.740715117467213 9.0949e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2035  
   data-arc span      24587 days (67.32 yr)  
   first obs. used      1953-09-17  
   last obs. used      2021-01-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47171  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 17:03:46  

Additional Information
 Earth MOID = 1.11831 au 
 Jupiter MOID = 2.24391 au 
 T_jup = 3.493 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456726.5 (2014-Mar-10.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1259207031864503 1.0427e-08  
q 2.129208546497772 2.8764e-08 au
tp 2456469.099384475252
(2013-Jun-25.59938448)
3.8645e-05 TDB
node 64.59794459006962 1.7119e-05 deg
peri 166.3964357875255 1.845e-05 deg
i 2.341445266437361 3.1917e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2035  
   data-arc span      24587 days (67.32 yr)  
   first obs. used      1953-09-17  
   last obs. used      2021-01-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47171  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 17:03:46  

Additional Information
 Jupiter MOID = 2.24391 au 
 T_jup = 3.493 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.087219751570769E-16 -2.920389591365628E-16 -2.985946730742498E-14 -5.089097160685091E-14 4.453577800629955E-14 3.366458069912861E-16
q -2.920389591365628E-16 8.273949452185196E-16 9.902312877578777E-14 1.296196794790447E-13 -1.034461159102858E-13 -8.897483677355519E-16
tp -2.985946730742498E-14 9.902312877578777E-14 1.493458356877749E-9 7.949917441579532E-11 2.574228946322216E-10 -2.180353602031242E-12
node -5.089097160685091E-14 1.296196794790447E-13 7.949917441579532E-11 2.930482117456705E-10 -2.781873869824997E-10 -3.917446466934936E-12
peri 4.453577800629955E-14 -1.034461159102858E-13 2.574228946322216E-10 -2.781873869824997E-10 3.404046266724694E-10 3.448272423890727E-12
i 3.366458069912861E-16 -8.897483677355519E-16 -2.180353602031242E-12 -3.917446466934936E-12 3.448272423890727E-12 1.018706103242018E-13

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 14.19   n/a E2021B10  
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

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