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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09264495749737973 3.5264e-08  
a 2.547398290512408 9.1578e-09 au
q 2.311394684158988 9.2436e-08 au
i 12.37772949176071 3.8161e-06 deg
node 185.9029806976975 1.2769e-05 deg
peri 346.2072281252748 2.0825e-05 deg
M 242.1196630946788 1.733e-05 deg
tp 2459686.775707118330
(2022-Apr-17.27570712)
7.276e-05 TDB
period 1485.058994217183
4.07
8.0081e-06
2.192e-08
d
yr
n .242414612080624 1.3072e-09 deg/d
Q 2.783401896865828 1.0006e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2082  
   data-arc span      11223 days (30.73 yr)  
   first obs. used      1990-05-20  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47401  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:47:02  

Additional Information
 Earth MOID = 1.3169 au 
 Jupiter MOID = 2.18161 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 14.05   n/a E2021B10  
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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