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JPL Small-Body Database Browser
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58899 (1998 KD7)
Classification: Main-belt Asteroid          SPK-ID: 2058899
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0467449575631971 4.7958e-08  
a 3.167552507018652 2.9207e-08 au
q 3.019485399498866 1.5755e-07 au
i 17.95923700419202 6.0265e-06 deg
node 77.0704029650737 1.678e-05 deg
peri 56.94782320649707 6.6319e-05 deg
M 355.1716088645884 6.5409e-05 deg
tp 2458628.117483555399
(2019-May-24.61748356)
0.00037423 TDB
period 2059.131872525095
5.64
2.848e-05
7.797e-08
d
yr
n .1748309590092135 2.4181e-09 deg/d
Q 3.315619614538437 3.0573e-08 au
  Orbit Determination Parameters
   # obs. used (total)      869  
   data-arc span      7627 days (20.88 yr)  
   first obs. used      1998-05-22  
   last obs. used      2019-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55093  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:36:44  

Additional Information
 Earth MOID = 2.06854 au 
 Jupiter MOID = 1.92161 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 13.7   n/a MPO341080  
diameter diameter 9.853 km 0.252 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58899 (1998 KD7)          Discovered 1998-May-22 by LONEOS at Anderson Mesa
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 KD7 = 2000 WF132 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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