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JPL Small-Body Database Browser
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19151 (1990 KD1)
Classification: Main-belt Asteroid          SPK-ID: 2019151
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09267944160720556 4.5191e-08  
a 2.547122957911516 9.9274e-09 au
q 2.311057024467383 1.1535e-07 au
i 12.37834811820905 4.4972e-06 deg
node 185.9038442794102 1.5861e-05 deg
peri 346.2966541414631 2.4642e-05 deg
M 193.5298782902199 1.8344e-05 deg
tp 2459687.105200546107
(2022-Apr-17.60520055)
7.6826e-05 TDB
period 1484.818234394773
4.07
8.6806e-06
2.377e-08
d
yr
n .2424539190460169 1.4174e-09 deg/d
Q 2.783188891355649 1.0847e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1628  
   data-arc span      10757 days (29.45 yr)  
   first obs. used      1990-05-20  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5029  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:42:42  

Additional Information
 Earth MOID = 1.31696 au 
 Jupiter MOID = 2.18276 au 
 T_jup = 3.404 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0   n/a MPO302182  
diameter diameter 4.491 km 0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.244   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19151 (1990 KD1)          Discovered 1990-May-20 by McNaught, R. H. at Siding Spring
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 KD1 = 1998 HP117 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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