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301638 Kressin (2010 EQ45)
Classification: Main-belt Asteroid          SPK-ID: 2301638
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .304581735853821 3.8385e-08  
a 2.757949677362448 2.0236e-08 au
q 1.917928577233908 9.8414e-08 au
i 11.39518010537328 5.3026e-06 deg
node 182.2790861882395 1.8947e-05 deg
peri 110.5154052717256 2.4736e-05 deg
M 48.95889734223361 9.7472e-06 deg
tp 2458972.986558161266
(2020-May-03.48655816)
4.5398e-05 TDB
period 1672.930631778962
4.58
1.8412e-05
5.041e-08
d
yr
n .2151912297864872 2.3684e-09 deg/d
Q 3.597970777490988 2.64e-08 au
  Orbit Determination Parameters
   # obs. used (total)      525  
   data-arc span      7203 days (19.72 yr)  
   first obs. used      2001-04-18  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53561  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:39:47  

Additional Information
 Earth MOID = .935828 au 
 Jupiter MOID = 1.82576 au 
 T_jup = 3.246 
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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 16.29   n/a E2021B25  
diameter diameter 2.443 km 0.474 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.089   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

301638 Kressin           Discovered 2010 Mar. 14 by R. Kracht at the Iowa Robotic Observatory, Sonoita.
Named after the old Pomeranian family Kressin. Margarete Kressin (1891-1980) was the grandmother of the discoverer and taught him the star names.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20111210/MPCPages.arcLast Updated: 2011-12-12

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