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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1758484430322841 4.9193e-08  
a 2.274387472606828 1.3685e-08 AU
q 1.874439976696786 1.1535e-07 AU
i 4.302561020232386 5.7244e-06 deg
node 51.82495220302027 6.9688e-05 deg
peri 263.7993979583723 7.1556e-05 deg
M 245.1386447476376 1.8081e-05 deg
tp 2457400.229816500794
(2016-Jan-12.72981650)
6.3598e-05 JED
period 1252.838551522542
3.43
1.1307e-05
3.096e-08
d
yr
n .2873474794996541 2.5934e-09 deg/d
Q 2.67433496851687 1.6091e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      836  
   data-arc span      8781 days (24.04 yr)  
   first obs. used      1991-05-09  
   last obs. used      2015-05-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5103  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 17:44:06  

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 14.9 mag n/a MPO337648  

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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