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JPL Small-Body Database Browser
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172601 (2003 WG43)
Classification: Main-belt Asteroid          SPK-ID: 2172601
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1286832747575853 7.7759e-08  
a 2.320328683226445 1.3988e-08 au
q 2.02174118975491 1.8364e-07 au
i 5.118430617940404 5.821e-06 deg
node 284.0768688993036 8.8984e-05 deg
peri 71.22450499359552 9.1698e-05 deg
M 284.2071149182609 2.4521e-05 deg
tp 2459272.299484105368
(2021-Feb-26.79948411)
8.8725e-05 TDB
period 1290.989440135548
3.53
1.1674e-05
3.196e-08
d
yr
n .2788558827887869 2.5216e-09 deg/d
Q 2.61891617669798 1.5788e-08 au
  Orbit Determination Parameters
   # obs. used (total)      211  
   data-arc span      9199 days (25.19 yr)  
   first obs. used      1994-01-19  
   last obs. used      2019-03-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59078  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:16:25  

Additional Information
 Earth MOID = 1.02362 au 
 Jupiter MOID = 2.80485 au 
 T_jup = 3.562 
[ 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 16.8   n/a MPO433108  
rotation period rot_per 39.971 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

172601 (2003 WG43)          Discovered 2003-Nov-18 by NEAT at Palomar
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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