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4291 Kodaihasu (1989 VH)
Classification: Main-belt Asteroid          SPK-ID: 2004291
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07677390282346416 1.7433e-08  
a 2.981291243433486 1.4143e-08 au
q 2.752405879221679 5.4929e-08 au
i 13.65771180824028 5.0208e-07 deg
node 245.8057560648232 1.0548e-06 deg
peri 9.569406809951415 1.1879e-05 deg
M 162.0290686495654 1.4373e-05 deg
tp 2458354.256261076469
(2018-Aug-23.75626108)
7.3269e-05 TDB
period 1880.204265515837
5.15
1.3379e-05
3.663e-08
d
yr
n .1914685582851996 1.3624e-09 deg/d
Q 3.210176607645294 1.5228e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3020  
   data-arc span      22776 days (62.36 yr)  
   first obs. used      1958-11-13  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .36992  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:32:15  

Additional Information
 Earth MOID = 1.73725 au 
 Jupiter MOID = 1.83342 au 
 T_jup = 3.212 
[ 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 11.79   n/a E2020-QM5  
diameter diameter 18.372 km 3.445 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.131   0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

4291 Kodaihasu           Discovered 1989 Nov. 2 by M. Arai and H. Mori at Yorii.
Kodaihasu, Japanese for "ancient lotus", refers to preserved lotus seeds, perhaps 2500-3000 years old, found in 1971 in the ground at Kemigawa, Chiba prefecture, where they started to grow.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19990928/MPCPages.arcLast Updated: 2010-06-11

[ show close-approach data ]
Alternate Designations
 1989 VH = 1958 VE1 = 1982 KR = 1984 WN = 1988 OJ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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