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72882 (2001 KM9)
Classification: Main-belt Asteroid          SPK-ID: 2072882
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 .115804454762393 3.6553e-08  
a 3.195276911848556 2.5912e-08 au
q 2.825249611257071 1.2643e-07 au
i 16.57729184673157 4.6776e-06 deg
node 213.0365856166418 1.5127e-05 deg
peri 250.0010821121367 2.609e-05 deg
M 270.9763630688407 2.2538e-05 deg
tp 2459716.398197954431
(2022-May-16.89819795)
0.00013233 TDB
period 2086.225160708861
5.71
2.5377e-05
6.948e-08
d
yr
n .172560472752461 2.099e-09 deg/d
Q 3.565304212440041 2.8912e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1155  
   data-arc span      8085 days (22.14 yr)  
   first obs. used      1998-10-19  
   last obs. used      2020-12-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51353  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:04:34  

Additional Information
 Earth MOID = 1.89219 au 
 Jupiter MOID = 1.85899 au 
 T_jup = 3.120 
[ 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 13.95   n/a E2021B10  
diameter diameter 14.552 km 5.896 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.025   0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

72882 (2001 KM9)          Discovered 2001-May-18 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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