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JPL Small-Body Database Browser
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146602 (2001 TW188)
Classification: Main-belt Asteroid          SPK-ID: 2146602
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1197445918822577 3.7443e-08  
a 2.737053968988675 1.2612e-08 au
q 2.409306558512412 1.049e-07 au
i 5.860197961042823 5.0556e-06 deg
node 20.26169170812864 3.3606e-05 deg
peri 47.48355471453992 3.8906e-05 deg
M 291.1990499092026 1.8743e-05 deg
tp 2458916.593381858037
(2020-Mar-08.09338186)		 8.6423e-05 TDB
period 1653.954157881808
4.53		 1.1432e-05
3.13e-08		 d
yr
n .2176602043559938 1.5045e-09 deg/d
Q 3.064801379464938 1.4123e-08 au
   Orbit Determination Parameters
   # obs. used (total)      832  
   data-arc span      6623 days (18.13 yr)  
   first obs. used      2001-10-12  
   last obs. used      2019-11-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51092  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 11:37:32  

Additional Information
 Earth MOID = 1.42722 au 
 Jupiter MOID = 2.23384 au 
 T_jup = 3.334 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456863.5 (2014-Jul-25.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1175774473618803 3.7222e-08  
q 2.416811352944307 1.0407e-07 au
tp 2457257.863035056072
(2015-Aug-23.36303506)		 8.7908e-05 TDB
node 20.30226810659179 3.358e-05 deg
peri 46.71551141180016 3.9144e-05 deg
i 5.863040775263687 5.0547e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      832  
   data-arc span      6623 days (18.13 yr)  
   first obs. used      2001-10-12  
   last obs. used      2019-11-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51092  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 11:37:32  

Additional Information
 Jupiter MOID = 2.23384 au 
 T_jup = 3.334 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.385446463832925E-15 -3.851974504657859E-15 -8.587802928943897E-13 3.202757480253675E-15 -1.601034645258724E-13 -8.263531888541274E-16
q -3.851974504657859E-15 1.083150125473829E-14 2.371899266311243E-12 -9.203050393271281E-15 4.352169129311322E-13 2.356098265269084E-15
tp -8.587802928943897E-13 2.371899266311243E-12 7.72783814592383E-9 5.0611447515185E-12 1.774029585368808E-9 1.912141537778286E-12
node 3.202757480253675E-15 -9.203050393271281E-15 5.0611447515185E-12 1.127613441216178E-9 -1.120211433713038E-9 -9.583015017808003E-12
peri -1.601034645258724E-13 4.352169129311322E-13 1.774029585368808E-9 -1.120211433713038E-9 1.532290479409414E-9 9.95085568781156E-12
i -8.263531888541274E-16 2.356098265269084E-15 1.912141537778286E-12 -9.583015017808003E-12 9.95085568781156E-12 2.554969482031275E-11

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO453931  
diameter diameter 4.016 km 0.170 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.100   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146602 (2001 TW188)          Discovered 2001-Oct-14 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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