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136218 (2003 WR73)
Classification: Main-belt Asteroid          SPK-ID: 2136218
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1670990328009538 5.0413e-08  
a 2.238275746254243 1.0172e-08 au
q 1.864262033913325 1.1228e-07 au
i 2.165966128751886 5.2559e-06 deg
node 308.2513604460183 0.00013665 deg
peri 67.08157929961816 0.00013775 deg
M 15.09962458119753 1.7704e-05 deg
tp 2458949.198217051506
(2020-Apr-09.69821705)
5.9963e-05 TDB
period 1223.119274399417
3.35
8.338e-06
2.283e-08
d
yr
n .2943294309353185 2.0064e-09 deg/d
Q 2.61228945859516 1.1872e-08 au
  Orbit Determination Parameters
   # obs. used (total)      449  
   data-arc span      8826 days (24.16 yr)  
   first obs. used      1996-09-15  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56835  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:59:05  

Additional Information
 Earth MOID = .86652 au 
 Jupiter MOID = 2.85851 au 
 T_jup = 3.617 
[ 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 16.6   n/a MPO436670  
rotation period rot_per 4.65 h n/a LCDB (Rev. 2020-October); 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:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

136218 (2003 WR73)          Discovered 2003-Nov-20 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

Alternate Designations
 2003 WR73 = 1996 TA60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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