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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .175848492895773 5.9282e-08  
a 2.274387483960184 1.5555e-08 AU
q 1.874439872644776 1.3449e-07 AU
i 4.302559962702875 5.7707e-06 deg
node 51.82489353332703 8.3185e-05 deg
peri 263.7994572963897 8.4675e-05 deg
M 245.1386364835481 1.8956e-05 deg
tp 2457400.229848253786
(2016-Jan-12.72984825)
6.7217e-05 JED
period 1252.838560903478
3.43
1.2852e-05
3.519e-08
d
yr
n .2873474773480693 2.9478e-09 deg/d
Q 2.674335095275591 1.829e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      759  
   data-arc span      8412 days (23.03 yr)  
   first obs. used      1991-05-09  
   last obs. used      2014-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51331  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 14:59:55  

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 (327)
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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