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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06368534748586942 3.8407e-08  
a 2.963693076293881 2.2715e-08 au
q 2.77494925288864 1.0978e-07 au
i 13.43364772089236 4.4059e-06 deg
node 167.7824712086701 1.933e-05 deg
peri 157.5071388535898 4.1734e-05 deg
M 33.57388750514735 3.7104e-05 deg
tp 2458426.700951144680
(2018-Nov-04.20095114)
0.00019188 TDB
period 1863.580962386993
5.10
2.1425e-05
5.866e-08
d
yr
n .1931764743608934 2.2208e-09 deg/d
Q 3.152436899699122 2.4161e-08 au
  Orbit Determination Parameters
   # obs. used (total)      565  
   data-arc span      8219 days (22.50 yr)  
   first obs. used      1997-05-28  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59614  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:57:29  

Additional Information
 Earth MOID = 1.76798 au 
 Jupiter MOID = 2.144 au 
 T_jup = 3.221 
[ 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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