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JPL Small-Body Database Browser
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172955 (2005 KR11)
Classification: Main-belt Asteroid          SPK-ID: 2172955
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1651895361868391 6.2466e-08  
a 3.105075693277445 4.2375e-08 au
q 2.592149679679915 1.8365e-07 au
i 16.17943582040753 6.2839e-06 deg
node 251.7754951747455 2.7588e-05 deg
peri 36.49068736017219 3.9754e-05 deg
M 238.036107504261 3.5431e-05 deg
tp 2459677.572991229502
(2022-Apr-08.07299123)
0.00020712 TDB
period 1998.511787832094
5.47
4.0911e-05
1.12e-07
d
yr
n .1801340388342236 3.6875e-09 deg/d
Q 3.618001706874974 4.9375e-08 au
  Orbit Determination Parameters
   # obs. used (total)      221  
   data-arc span      6651 days (18.21 yr)  
   first obs. used      2001-11-12  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56135  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:56:37  

Additional Information
 Earth MOID = 1.59401 au 
 Jupiter MOID = 1.56765 au 
 T_jup = 3.139 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO427055  

172955 (2005 KR11)          Discovered 2005-May-30 by Siding Spring Survey at Siding Spring
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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