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70673 (1999 TR312)
Classification: Main-belt Asteroid          SPK-ID: 2070673
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05583316196645929 4.2481e-08  
a 2.598758055229068 1.4452e-08 au
q 2.453661175819823 1.1625e-07 au
i 16.01085000387408 4.6015e-06 deg
node 72.51872104988253 1.8178e-05 deg
peri 4.169103257896924 5.2567e-05 deg
M 276.6484700076732 4.8499e-05 deg
tp 2459354.789494716045
(2021-May-20.28949472)
0.00020607 TDB
period 1530.196483610049
4.19
1.2765e-05
3.495e-08
d
yr
n .2352639049010789 1.9625e-09 deg/d
Q 2.743854934638314 1.5259e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1161  
   data-arc span      7692 days (21.06 yr)  
   first obs. used      1999-10-05  
   last obs. used      2020-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48389  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:59:41  

Additional Information
 Earth MOID = 1.46885 au 
 Jupiter MOID = 2.52152 au 
 T_jup = 3.359 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457326.5 (2015-Oct-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05620567304801494 4.3133e-08  
q 2.453531167106524 1.1799e-07 au
tp 2457814.444041548940
(2017-Mar-01.94404155)
0.00020343 TDB
node 72.55133564050263 1.8176e-05 deg
peri 2.016791735498491 5.1879e-05 deg
i 16.01178593327865 4.6058e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1161  
   data-arc span      7692 days (21.06 yr)  
   first obs. used      1999-10-05  
   last obs. used      2020-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48389  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:59:41  

Additional Information
 Jupiter MOID = 2.52152 au 
 T_jup = 3.359 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.860459273941819E-15 -5.060390774064873E-15 -3.327594206587136E-12 -9.584555393430004E-15 -7.574839566161942E-13 -5.175532988323945E-15
q -5.060390774064873E-15 1.39221113444294E-14 8.476764299130002E-12 2.57186301065067E-14 1.912850989046364E-12 1.418513696454978E-14
tp -3.327594206587136E-12 8.476764299130002E-12 4.138429981216009E-8 5.597267178628882E-11 9.915659535213681E-9 1.368278277705556E-11
node -9.584555393430004E-15 2.57186301065067E-14 5.597267178628882E-11 3.303580241405162E-10 -3.038619146918636E-10 -3.632120382005956E-11
peri -7.574839566161942E-13 1.912850989046364E-12 9.915659535213681E-9 -3.038619146918636E-10 2.691462279338121E-9 3.817257663443832E-11
i -5.175532988323945E-15 1.418513696454978E-14 1.368278277705556E-11 -3.632120382005956E-11 3.817257663443832E-11 2.121321051850082E-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 14.6   n/a MPO344807  
diameter diameter 3.109 km 0.630 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.348   0.193 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70673 (1999 TR312)          Discovered 1999-Oct-05 by LONEOS at Anderson Mesa
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TR312 = 2001 CX33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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