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JPL Small-Body Database Browser
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46798 (1998 KU4)
Classification: Main-belt Asteroid          SPK-ID: 2046798
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .150664375801943 4.9026e-08  
a 2.291332255485688 8.3167e-09 au
q 1.946110111458079 1.1196e-07 au
i 7.726408039432774 4.1442e-06 deg
node 75.10520460965949 3.8395e-05 deg
peri 272.7343912443284 4.0624e-05 deg
M 283.7216812409358 1.4923e-05 deg
tp 2458868.928819555480
(2020-Jan-20.42881956)
5.2865e-05 TDB
period 1266.86556038559
3.47
6.8974e-06
1.888e-08
d
yr
n .284165906199572 1.5471e-09 deg/d
Q 2.636554399513298 9.5697e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1170  
   data-arc span      10309 days (28.22 yr)  
   first obs. used      1991-06-07  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57824  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:12:08  

Additional Information
 Earth MOID = .957249 au 
 Jupiter MOID = 2.78763 au 
 T_jup = 3.571 
[ 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 14.6   n/a MPO439412  

46798 (1998 KU4)          Discovered 1998-May-22 by LONEOS at Anderson Mesa
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 KU4 = 1999 VS52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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