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JPL Small-Body Database Browser
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82250 (2001 KW2)
Classification: Main-belt Asteroid          SPK-ID: 2082250
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2431586645654699 4.4676e-08  
a 2.217560748577279 1.151e-08 au
q 1.678341638360424 9.4953e-08 au
i 6.667125777782966 5.7084e-06 deg
node 80.20301742974118 4.6747e-05 deg
peri 220.3622599210135 4.8953e-05 deg
M 109.9974717195079 1.5086e-05 deg
tp 2458231.953816696444
(2018-Apr-23.45381670)
4.9586e-05 TDB
period 1206.178868616217
3.30
9.3911e-06
2.571e-08
d
yr
n .2984631959379362 2.3238e-09 deg/d
Q 2.756779858794135 1.4309e-08 au
  Orbit Determination Parameters
   # obs. used (total)      464  
   data-arc span      8468 days (23.18 yr)  
   first obs. used      1995-11-19  
   last obs. used      2019-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58898  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:48:03  

Additional Information
 Earth MOID = .668613 au 
 Jupiter MOID = 2.47873 au 
 T_jup = 3.604 
[ 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 16.5   n/a MPO453247  
diameter diameter 2.752 km 0.777 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

82250 (2001 KW2)          Discovered 2001-May-21 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 2001 KW2 = 1995 WE44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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