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187012 (2004 TW232)
Classification: Outer Main-belt Asteroid          SPK-ID: 2187012
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .117690360341255 5.0574e-08  
a 3.973385366369397 5.9871e-08 au
q 3.505756210826713 2.2782e-07 au
i 5.059906255605406 6.4866e-06 deg
node 27.22063709230229 5.3239e-05 deg
peri 40.73363414588924 6.0854e-05 deg
M 347.2880662987514 2.6678e-05 deg
tp 2459302.652400631934
(2021-Mar-29.15240063)
0.00021437 TDB
period 2892.940216002221
7.92
6.5386e-05
1.79e-07
d
yr
n .1244408709204116 2.8126e-09 deg/d
Q 4.44101452191208 6.6917e-08 au
  Orbit Determination Parameters
   # obs. used (total)      243  
   data-arc span      5943 days (16.27 yr)  
   first obs. used      2004-10-04  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5349  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:55:53  

Additional Information
 Earth MOID = 2.52132 au 
 Jupiter MOID = .942175 au 
 T_jup = 3.038 
[ 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 15.10   n/a E2021B55  

187012 (2004 TW232)          Discovered 2004-Oct-08 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 2004 TW232 = 2007 DV87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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