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JPL Small-Body Database Browser
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173115 (3145 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2173115
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2462885215265209 8.3526e-08  
a 2.937397192428302 2.3209e-08 au
q 2.213949980768982 2.5296e-07 au
i 18.53752139411994 9.7974e-06 deg
node 23.15935629052046 1.723e-05 deg
peri 300.3163495871339 2.4397e-05 deg
M 125.1288550372847 1.4637e-05 deg
tp 2457961.357922579895
(2017-Jul-26.85792258)
7.4257e-05 TDB
period 1838.833639152835
5.03
2.1793e-05
5.967e-08
d
yr
n .1957762748814269 2.3203e-09 deg/d
Q 3.660844404087622 2.8925e-08 au
  Orbit Determination Parameters
   # obs. used (total)      335  
   data-arc span      15065 days (41.25 yr)  
   first obs. used      1977-10-11  
   last obs. used      2019-01-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64103  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:05:16  

Additional Information
 Earth MOID = 1.26423 au 
 Jupiter MOID = 2.00741 au 
 T_jup = 3.152 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456868.5 (2014-Jul-30.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2440624398789863 8.1828e-08  
q 2.225236991324449 2.4597e-07 au
tp 2456114.742970551488
(2012-Jul-06.24297055)
7.7432e-05 TDB
node 23.4640831019579 1.7347e-05 deg
peri 299.4027160003301 2.4741e-05 deg
i 18.46929348703528 9.7774e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      335  
   data-arc span      15065 days (41.25 yr)  
   first obs. used      1977-10-11  
   last obs. used      2019-01-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64103  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:05:16  

Additional Information
 Jupiter MOID = 2.00741 au 
 T_jup = 3.152 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.695791935603835E-15 -2.008274825454681E-14 4.328662766777099E-12 -1.153964674797043E-14 1.089135303767687E-12 -2.170664007255031E-14
q -2.008274825454681E-14 6.049980857506225E-14 -1.291972052413244E-11 4.367957696411784E-14 -3.241673116800648E-12 5.685331256670031E-14
tp 4.328662766777099E-12 -1.291972052413244E-11 5.995724993335346E-9 -1.520616327982519E-12 1.390651603104661E-9 -1.54819049651558E-11
node -1.153964674797043E-14 4.367957696411784E-14 -1.520616327982519E-12 3.009171040160151E-10 -2.846109954129112E-10 -7.491307212116801E-11
peri 1.089135303767687E-12 -3.241673116800648E-12 1.390651603104661E-9 -2.846109954129112E-10 6.121250172160289E-10 6.552740203568023E-11
i -2.170664007255031E-14 5.685331256670031E-14 -1.54819049651558E-11 -7.491307212116801E-11 6.552740203568023E-11 9.559756200696184E-11

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 15.3   n/a MPO433111  
diameter diameter 5.119 km 0.476 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173115 (3145 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Alternate Designations
 3145 T-3 = 2002 RT122 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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