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72897 (2001 KM55)
Classification: Main-belt Asteroid          SPK-ID: 2072897
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07405732241032581 4.1758e-08  
a 3.174010548718983 2.5268e-08 au
q 2.938951826178726 1.334e-07 au
i 17.25021311705895 4.0707e-06 deg
node 85.34556948362339 1.6281e-05 deg
peri 80.50868490645061 3.5468e-05 deg
M 220.1478794470924 3.3223e-05 deg
tp 2460002.875262303734
(2023-Feb-27.37526230)
0.00019577 TDB
period 2065.432353026547
5.65
2.4664e-05
6.753e-08
d
yr
n .1742976474017558 2.0813e-09 deg/d
Q 3.40906927125924 2.7139e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1173  
   data-arc span      7671 days (21.00 yr)  
   first obs. used      1999-12-10  
   last obs. used      2020-12-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51261  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:04:40  

Additional Information
 Earth MOID = 2.01046 au 
 Jupiter MOID = 1.84928 au 
 T_jup = 3.127 
[ 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 13.73   n/a MPCxxxxx  
diameter diameter 10.995 km 0.295 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72897 (2001 KM55)          Discovered 2001-May-22 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 KM55 = 2000 EA157 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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