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305181 Donelaitis (2007 VR302)
Classification: Main-belt Asteroid          SPK-ID: 2305181
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1578580459672149 4.2865e-08  
a 2.573735073421913 2.4872e-08 au
q 2.167450283894243 1.0685e-07 au
i 8.758407495315174 8.8709e-06 deg
node 14.76037607120639 3.3026e-05 deg
peri 275.6043464301684 4.5608e-05 deg
M 122.5908791031827 2.9695e-05 deg
tp 2458486.929763245001
(2019-Jan-03.42976324)
0.00012397 TDB
period 1508.148783860051
4.13
2.1862e-05
5.985e-08
d
yr
n .2387032392643604 3.4602e-09 deg/d
Q 2.980019862949583 2.8799e-08 au
  Orbit Determination Parameters
   # obs. used (total)      300  
   data-arc span      9723 days (26.62 yr)  
   first obs. used      1993-03-19  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5572  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 21:13:31  

Additional Information
 Earth MOID = 1.17308 au 
 Jupiter MOID = 2.26205 au 
 T_jup = 3.394 
[ 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 16.3   n/a MPO503302  
diameter diameter 3.623 km 0.159 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

305181 Donelaitis           Discovered 2007 Nov. 5 by K. Cernis at Moletai.
Kristijonas Donelaitis (1714-1780) was a Lutheran pastor who is considered one of the greatest Lithuanian poets. He wrote the first classic Lithuanian language poem, The Seasons, which became one of the principal works of Lithuanian poetry. His other works include six fables.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2013-07-22Last Updated: 2014-08-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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