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30398 (2000 KM41)
Classification: Main-belt Asteroid          SPK-ID: 2030398
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1974207992596209 3.1454e-08  
a 3.179150296330145 1.8342e-08 au
q 2.551519903862188 1.0241e-07 au
i 13.63862581781981 4.7463e-06 deg
node 197.24928170 1.4855e-05 deg
peri 100.2514460216332 1.8794e-05 deg
M 258.564436029784 1.2791e-05 deg
tp 2459979.881649631161
(2023-Feb-04.38164963)
7.552e-05 TDB
period 2070.451285989638
5.67
1.7918e-05
4.906e-08
d
yr
n .173875136515432 1.5048e-09 deg/d
Q 3.806780688798103 2.1963e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1597  
   data-arc span      11122 days (30.45 yr)  
   first obs. used      1990-11-22  
   last obs. used      2021-05-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47476  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 19:47:47  

Additional Information
 Earth MOID = 1.58046 au 
 Jupiter MOID = 1.70183 au 
 T_jup = 3.126 
[ 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 13.62   n/a E2021B10  
diameter diameter 10.890 km 0.354 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.66366 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.054   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30398 (2000 KM41)          Discovered 2000-May-30 by Kusnirak, P. at Ondrejov
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 KM41 = 1999 GC27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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