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19986 (1990 KD)
Classification: Main-belt Asteroid          SPK-ID: 2019986
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2572439538873907 5.6761e-08  
a 2.539380741590736 1.9461e-08 au
q 1.886140399198441 1.4129e-07 au
i 13.85084837232916 5.4897e-06 deg
node 101.2770045129461 5.289e-05 deg
peri 165.3692735885565 6.2297e-05 deg
M 146.307351718617 3.5326e-05 deg
tp 2456999.805289348519
(2014-Dec-08.30528935)
0.00014214 JED
period 1478.053517436582
4.05
1.6991e-05
4.652e-08
d
yr
n .2435635758469391 2.7999e-09 deg/d
Q 3.192621083983032 2.4467e-08 au
  Orbit Determination Parameters
   # obs. used (total)      792  
   data-arc span      9376 days (25.67 yr)  
   first obs. used      1990-05-19  
   last obs. used      2016-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55056  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 19:26:47  

Additional Information
 Earth MOID = .872855 au 
 Jupiter MOID = 1.93235 au 
 T_jup = 3.360 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3 mag n/a MPO365491  

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 | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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