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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .172886922536631 5.7129e-08  
a 3.099277435641747 4.8091e-08 au
q 2.563452897706424 1.8214e-07 au
i 15.28439537188579 8.2968e-06 deg
node 252.6180253839128 2.6441e-05 deg
peri 230.8223397082492 4.5559e-05 deg
M 325.9997181730081 3.6967e-05 deg
tp 2459188.721454257198
(2020-Dec-05.22145426)
0.00020763 TDB
period 1992.916525732995
5.46
4.6385e-05
1.27e-07
d
yr
n .1806397786116967 4.2044e-09 deg/d
Q 3.635101973577069 5.6405e-08 au
  Orbit Determination Parameters
   # obs. used (total)      138  
   data-arc span      5839 days (15.99 yr)  
   first obs. used      2003-11-19  
   last obs. used      2019-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56729  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 03:05:39  

Additional Information
 Earth MOID = 1.60919 au 
 Jupiter MOID = 1.70621 au 
 T_jup = 3.145 
[ 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 15.9   n/a MPO503623  

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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