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11734 (1998 KM55)
Classification: Main-belt Asteroid          SPK-ID: 2011734
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1301091715667097 2.8824e-08  
a 2.651248285211338 1.0703e-08 au
q 2.306296567204831 7.5382e-08 au
i 12.49273007486799 4.3627e-06 deg
node 221.6240430374986 1.4578e-05 deg
peri 254.0730017204791 2.249e-05 deg
M 165.6131595149796 1.7355e-05 deg
tp 2458275.118676362708
(2018-Jun-05.61867636)		 7.5751e-05 TDB
period 1576.790620227286
4.32		 9.5478e-06
2.614e-08		 d
yr
n .2283118604219677 1.3825e-09 deg/d
Q 2.996200003217846 1.2095e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2261  
   data-arc span      26188 days (71.70 yr)  
   first obs. used      1948-11-24  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40377  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:27:18  

Additional Information
 Earth MOID = 1.35887 au 
 Jupiter MOID = 2.26087 au 
 T_jup = 3.345 
[ 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 12.5   n/a MPO473925  
diameter diameter 7.705 km 0.155 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.326   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

11734 (1998 KM55)          Discovered 1998-May-23 by LINEAR at Socorro
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 KM55 = 1948 WO = 1976 JF1 = 1978 TZ2 = 1991 XM2 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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