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351287 (2004 TW18)
Classification: Inner Main-belt Asteroid          SPK-ID: 2351287
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07802545281574051 8.773e-08  
a 1.880423938369084 1.5433e-08 au
q 1.733703009092278 1.6926e-07 au
i 19.86708230357029 9.3267e-06 deg
node 320.1770850104073 1.3569e-05 deg
peri 155.9808320339893 3.8969e-05 deg
M 295.1252738871406 4.2999e-05 deg
tp 2459170.228635708434
(2020-Nov-16.72863571)
0.00011353 TDB
period 941.8507408993049
2.58
1.1595e-05
3.175e-08
d
yr
n .3822261685076153 4.7056e-09 deg/d
Q 2.02714486764589 1.6638e-08 au
  Orbit Determination Parameters
   # obs. used (total)      139  
   data-arc span      5416 days (14.83 yr)  
   first obs. used      2003-03-29  
   last obs. used      2018-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55539  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:54:17  

Additional Information
 Earth MOID = .755547 au 
 Jupiter MOID = 3.02485 au 
 T_jup = 3.894 
[ 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 17.4   n/a MPO434217  

351287 (2004 TW18)          Discovered 2004-Oct-08 by LINEAR at Socorro
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31

[ show close-approach data ]
Alternate Designations
 2004 TW18 = 2008 BR32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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