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65863 (1997 KW1)
Classification: Main-belt Asteroid          SPK-ID: 2065863
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06386094808827328 3.7309e-08  
a 2.964805387458141 2.2203e-08 au
q 2.775470104517844 1.0524e-07 au
i 13.43205700529203 4.1558e-06 deg
node 167.7710869068839 1.9157e-05 deg
peri 157.823073525549 4.1483e-05 deg
M 110.507531564041 3.696e-05 deg
tp 2458428.123109596448
(2018-Nov-05.62310960)
0.0001908 TDB
period 1864.630198764922
5.11
2.0946e-05
5.735e-08
d
yr
n .1930677730299841 2.1687e-09 deg/d
Q 3.154140670398438 2.362e-08 au
  Orbit Determination Parameters
   # obs. used (total)      594  
   data-arc span      8280 days (22.67 yr)  
   first obs. used      1997-05-28  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58817  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:47:16  

Additional Information
 Earth MOID = 1.76933 au 
 Jupiter MOID = 2.14289 au 
 T_jup = 3.220 
[ 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 15.0   n/a MPO445645  
diameter diameter 4.319 km 0.353 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.086   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

65863 (1997 KW1)          Discovered 1997-May-28 by Spacewatch at Kitt Peak
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 KW1 = 1998 RX26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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