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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1200013774390289 3.6102e-08  
a 2.737943685958167 1.221e-08 au
q 2.409386672292695 1.0075e-07 au
i 5.859308367364475 4.888e-06 deg
node 20.25798695485679 3.3068e-05 deg
peri 47.3969607300744 3.837e-05 deg
M 18.32821244775803 1.8457e-05 deg
tp 2458916.253318417335
(2020-Mar-07.75331842)
8.4768e-05 TDB
period 1654.760684175149
4.53
1.1069e-05
3.031e-08
d
yr
n .2175541173069686 1.4553e-09 deg/d
Q 3.066500699623639 1.3675e-08 au
  Orbit Determination Parameters
   # obs. used (total)      869  
   data-arc span      6973 days (19.09 yr)  
   first obs. used      2001-10-12  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50458  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:07:00  

Additional Information
 Earth MOID = 1.42756 au 
 Jupiter MOID = 2.23211 au 
 T_jup = 3.333 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457028.5 (2015-Jan-06.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1175062411810216 3.5881e-08  
q 2.416680247403472 9.9854e-08 au
tp 2457258.070716542210
(2015-Aug-23.57071654)
8.698e-05 TDB
node 20.29963193606943 3.3034e-05 deg
peri 46.77216332920298 3.8638e-05 deg
i 5.863419210896249 4.8881e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      869  
   data-arc span      6973 days (19.09 yr)  
   first obs. used      2001-10-12  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50458  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:07:00  

Additional Information
 Jupiter MOID = 2.23211 au 
 T_jup = 3.333 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.287477332909434E-15 -3.562173425023988E-15 -8.058858940094926E-13 4.081018368373466E-15 -1.559131041639412E-13 -8.028217661500108E-16
q -3.562173425023988E-15 9.970915852195589E-15 2.193007769832265E-12 -1.180411720767256E-14 4.184915758661747E-13 2.304529444295315E-15
tp -8.058858940094926E-13 2.193007769832265E-12 7.565475454896068E-9 1.788089565495482E-12 1.749676513408373E-9 1.921090449155333E-12
node 4.081018368373466E-15 -1.180411720767256E-14 1.788089565495482E-12 1.091248298949466E-9 -1.084746574287504E-9 -7.806047818275321E-12
peri -1.559131041639412E-13 4.184915758661747E-13 1.749676513408373E-9 -1.084746574287504E-9 1.492871551850994E-9 8.186904858616092E-12
i -8.028217661500108E-16 2.304529444295315E-15 1.921090449155333E-12 -7.806047818275321E-12 8.186904858616092E-12 2.389380252579955E-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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