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17867 (1998 KD46)
Classification: Outer Main-belt Asteroid          SPK-ID: 2017867
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06621400498118415 4.1184e-08  
a 3.976652505894205 3.7238e-08 au
q 3.713342417060487 1.7094e-07 au
i 8.19534143093915 4.7311e-06 deg
node 105.0874928548794 3.5124e-05 deg
peri 114.912338358639 5.2665e-05 deg
M 331.40916002291 3.9822e-05 deg
tp 2459430.537852460925
(2021-Aug-04.03785246)
0.00032082 TDB
period 2896.509055078203
7.93
4.0685e-05
1.114e-07
d
yr
n .1242875451636661 1.7458e-09 deg/d
Q 4.239962594727922 3.9704e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1527  
   data-arc span      25897 days (70.90 yr)  
   first obs. used      1950-04-20  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51288  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:16:23  

Additional Information
 Earth MOID = 2.71461 au 
 Jupiter MOID = .892298 au 
 T_jup = 3.035 
[ 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 12.39   n/a E2021B10  
diameter diameter 19.388 km 0.324 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.062   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

17867 (1998 KD46)          Discovered 1998-May-22 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 KD46 = 1999 OV 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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