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4569 Baerbel (1985 GV1)
Classification: Main-belt Asteroid          SPK-ID: 2004569
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0630458638498336 3.6536e-08  
a 2.584811562821335 9.6257e-09 au
q 2.421849884954225 9.5723e-08 au
i 14.47990037056026 4.527e-06 deg
node 205.5658164891293 1.4314e-05 deg
peri 32.54100500796063 3.6334e-05 deg
M 125.0311305939226 3.4377e-05 deg
tp 2458473.321832579979
(2018-Dec-20.82183258)
0.00014409 TDB
period 1517.895098362268
4.16
8.4789e-06
2.321e-08
d
yr
n .2371705399064941 1.3248e-09 deg/d
Q 2.747773240688444 1.0233e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2493  
   data-arc span      23552 days (64.48 yr)  
   first obs. used      1956-05-04  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41749  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:50:31  

Additional Information
 Earth MOID = 1.4225 au 
 Jupiter MOID = 2.23794 au 
 T_jup = 3.375 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.1   n/a MPO347560  
diameter diameter 9.395 km 0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 2.737 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Brinsfield, J.W. (2010) Minor Planet Bull. 37, 146-147.]
geometric albedo albedo 0.381   0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

4569 Baerbel (1985 GV1)          Discovered 1985-Apr-15 by Shoemaker, C. S. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1985 GV1 = 1952 KR = 1956 JA = 1960 GA = 1986 NA1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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