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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .197388272520411 3.1466e-08  
a 3.179711687287022 1.8347e-08 au
q 2.552073890220475 1.0245e-07 au
i 13.63650822833193 4.7533e-06 deg
node 197.2558908635799 1.4892e-05 deg
peri 100.1869632861603 1.8842e-05 deg
M 224.5606442513484 1.2698e-05 deg
tp 2459979.652413221107
(2023-Feb-04.15241322)
7.5572e-05 TDB
period 2070.999726845578
5.67
1.7925e-05
4.908e-08
d
yr
n .1738290910102293 1.5045e-09 deg/d
Q 3.807349484353568 2.1969e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1523  
   data-arc span      11078 days (30.33 yr)  
   first obs. used      1990-11-22  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48469  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 04:28:48  

Additional Information
 Earth MOID = 1.57962 au 
 Jupiter MOID = 1.70185 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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