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152636 (1997 KR2)
Classification: Main-belt Asteroid          SPK-ID: 2152636
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .058068437883298 6.7206e-08  
a 2.280695731567203 1.6216e-08 au
q 2.14825929314799 1.6186e-07 au
i 3.37299586141691 5.7139e-06 deg
node 151.3637281381751 0.00011081 deg
peri 345.6851614123907 0.00013393 deg
M 39.50801770299075 6.934e-05 deg
tp 2459062.435447229119
(2020-Jul-31.93544723)
0.00024273 TDB
period 1258.054488361602
3.44
1.3418e-05
3.674e-08
d
yr
n .2861561270440978 3.052e-09 deg/d
Q 2.413132169986416 1.7158e-08 au
  Orbit Determination Parameters
   # obs. used (total)      208  
   data-arc span      8296 days (22.71 yr)  
   first obs. used      1997-05-29  
   last obs. used      2020-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56824  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 13:33:55  

Additional Information
 Earth MOID = 1.16162 au 
 Jupiter MOID = 2.58158 au 
 T_jup = 3.601 
[ 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 17.40   n/a E2021B55  

152636 (1997 KR2)          Discovered 1997-May-29 by Spacewatch at Kitt Peak
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

Alternate Designations
 1997 KR2 = 2000 EY161 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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