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48889 (1998 KZ9)
Classification: Main-belt Asteroid          SPK-ID: 2048889
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1758484735182186 5.8666e-08  
a 2.274387479681197 1.5439e-08 AU
q 1.87443991319031 1.333e-07 AU
i 4.302559868928545 5.7588e-06 deg
node 51.82489049213557 8.2621e-05 deg
peri 263.799460442284 8.4121e-05 deg
M 245.1386391788552 1.8918e-05 deg
tp 2457400.229837745763
(2016-Jan-12.72983775)
6.7052e-05 JED
period 1252.83855736788
3.43
1.2757e-05
3.493e-08
d
yr
n .287347478158984 2.9258e-09 deg/d
Q 2.674335046172084 1.8154e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      766  
   data-arc span      8695 days (23.81 yr)  
   first obs. used      1991-05-09  
   last obs. used      2015-02-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52018  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 16:28:51  

Additional Information
 Earth MOID = .867724 AU 
 T_jup = 3.586 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8 mag n/a MPO250661  

48889 (1998 KZ9)          Discovered 1998-May-24 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 KZ9 = 2000 AH14 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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