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JPL Small-Body Database Browser
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19986 (1990 KD)
Classification: Main-belt Asteroid          SPK-ID: 2019986
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2573176579421665 3.566e-08  
a 2.539502937017756 1.2119e-08 au
q 1.886043988927093 8.8214e-08 au
i 13.8552101280701 3.9423e-06 deg
node 101.2614715888271 3.7369e-05 deg
peri 165.30501680809 4.4215e-05 deg
M 127.4259479415488 2.4822e-05 deg
tp 2458477.288985191914
(2018-Dec-24.78898519)
0.00010064 TDB
period 1478.1602049946
4.05
1.0581e-05
2.897e-08
d
yr
n .2435459964241936 1.7433e-09 deg/d
Q 3.192961885108418 1.5237e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1277  
   data-arc span      10787 days (29.53 yr)  
   first obs. used      1990-05-19  
   last obs. used      2019-11-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50607  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:40:54  

Additional Information
 Earth MOID = .872972 au 
 Jupiter MOID = 1.939 au 
 T_jup = 3.360 
[ 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 14.3   n/a MPO395194  
diameter diameter 7.535 km 0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19986 (1990 KD)          Discovered 1990-May-20 by McNaught, R. H. at Siding Spring
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 KD = 1998 GE10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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