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3539 Weimar (1967 GF1)
Classification: Main-belt Asteroid          SPK-ID: 2003539
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 .1572440578398758 1.492e-08  
a 2.656922771401323 1.0276e-08 au
q 2.239137453459011 3.7567e-08 au
i 13.67905723657136 4.3772e-07 deg
node 141.1560169633206 3.9625e-06 deg
peri 128.785991991839 1.1025e-05 deg
M 77.73273883251417 7.6549e-06 deg
tp 2458858.938987349237
(2020-Jan-10.43898735)
3.309e-05 TDB
period 1581.855552770541
4.33
9.1771e-06
2.513e-08
d
yr
n .2275808302278157 1.3203e-09 deg/d
Q 3.074708089343636 1.1892e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2474  
   data-arc span      25841 days (70.75 yr)  
   first obs. used      1950-05-13  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41135  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:14:40  

Additional Information
 Earth MOID = 1.24796 au 
 Jupiter MOID = 2.18064 au 
 T_jup = 3.330 
[ 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 12.58   n/a E2021B10  
diameter diameter 7.824 km 0.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.29 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Garlitz, J. (2011) http://eoni.com/~garlitzj/Period.htm]
geometric albedo albedo 0.347   0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3539 Weimar (1967 GF1)          Discovered 1967-Apr-11 by Borngen, F. at Tautenburg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1967 GF1 = 1950 JA = 1955 RH = 1981 QK2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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