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JPL Small-Body Database Browser
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461554 (2003 WH45)
Classification: Main-belt Asteroid          SPK-ID: 2461554
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1729030647738426 7.0837e-08  
a 3.098033200353931 5.8972e-08 au
q 2.562373765241621 2.0835e-07 au
i 15.28536007297076 9.599e-06 deg
node 252.6156795189275 2.9405e-05 deg
peri 230.9616707163997 4.8129e-05 deg
M 253.5927343911276 3.6078e-05 deg
tp 2459189.203083556494
(2020-Dec-05.70308356)
0.00020974 TDB
period 1991.716532396888
5.45
5.6869e-05
1.557e-07
d
yr
n .1807486126385495 5.1609e-09 deg/d
Q 3.633692635466242 6.9168e-08 au
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      5405 days (14.80 yr)  
   first obs. used      2003-11-19  
   last obs. used      2018-09-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60443  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:27:20  

Additional Information
 Earth MOID = 1.6085 au 
 Jupiter MOID = 1.7085 au 
 T_jup = 3.146 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO456235  

461554 (2003 WH45)          Discovered 2003-Nov-19 by NEAT at Palomar
Reference: Last Updated: 2016-03-24

[ show close-approach data ]
Alternate Designations
 2003 WH45 = 2014 XL13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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