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JPL Small-Body Database Browser
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58908 (1998 KM29)
Classification: Outer Main-belt Asteroid          SPK-ID: 2058908
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04608345606060071 3.648e-08  
a 3.206831150573237 2.5004e-08 au
q 3.059049288152029 1.2766e-07 au
i 9.567694800564903 5.6493e-06 deg
node 200.6958562457164 2.2975e-05 deg
peri 56.47747881973741 6.807e-05 deg
M 280.3487471507511 6.533e-05 deg
tp 2459464.590499313497
(2021-Sep-07.09049931)
0.00038179 TDB
period 2097.551184399664
5.74
2.4532e-05
6.716e-08
d
yr
n .1716287081228175 2.0073e-09 deg/d
Q 3.354613012994444 2.6156e-08 au
  Orbit Determination Parameters
   # obs. used (total)      848  
   data-arc span      9301 days (25.46 yr)  
   first obs. used      1994-11-01  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53107  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 11:41:07  

Additional Information
 Earth MOID = 2.05816 au 
 Jupiter MOID = 1.65993 au 
 T_jup = 3.169 
[ 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 14.0   n/a MPO436194  
diameter diameter 9.360 km 0.317 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58908 (1998 KM29)          Discovered 1998-May-22 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 KM29 = 2000 ST229 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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