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JPL Small-Body Database Browser
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215681 (2003 WH147)
Classification: Main-belt Asteroid          SPK-ID: 2215681
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1744122587097834 6.8184e-08  
a 2.363774518235424 2.106e-08 au
q 1.951503265429354 1.605e-07 au
i 23.21052416222301 7.7426e-06 deg
node 233.6720995349013 1.5062e-05 deg
peri 19.84429924903193 2.5784e-05 deg
M 257.4043765760173 2.6064e-05 deg
tp 2458978.797813204769
(2020-May-09.29781320)
9.8758e-05 TDB
period 1327.417371313342
3.63
1.774e-05
4.857e-08
d
yr
n .271203321411876 3.6244e-09 deg/d
Q 2.776045771041494 2.4733e-08 au
  Orbit Determination Parameters
   # obs. used (total)      294  
   data-arc span      7502 days (20.54 yr)  
   first obs. used      1998-05-22  
   last obs. used      2018-12-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57403  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:44:15  

Additional Information
 Earth MOID = .947805 au 
 Jupiter MOID = 2.26591 au 
 T_jup = 3.421 
[ 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 15.8   n/a MPO367420  

215681 (2003 WH147)          Discovered 2003-Nov-23 by Spacewatch at Kitt Peak
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

Alternate Designations
 2003 WH147 = 1998 KY1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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