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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06647409572746484 4.3454e-08  
a 3.977960173604906 4.5051e-08 au
q 3.71352886822465 1.7688e-07 au
i 8.19544536565606 5.2831e-06 deg
node 105.0897564797509 3.6493e-05 deg
peri 114.7563969006717 5.7015e-05 deg
M 306.7176619119505 4.6341e-05 deg
tp 2459429.413628706611
(2021-Aug-02.91362871)
0.00037571 TDB
period 2897.937888521669
7.93
4.9229e-05
1.348e-07
d
yr
n .1242262649678967 2.1103e-09 deg/d
Q 4.24239147898516 4.8046e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1204  
   data-arc span      25490 days (69.79 yr)  
   first obs. used      1950-04-20  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54169  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:14:03  

Additional Information
 Earth MOID = 2.71604 au 
 Jupiter MOID = .89139 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 12.4   n/a MPO502305  
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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