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70641 (1999 TS240)
Classification: Main-belt Asteroid          SPK-ID: 2070641
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06949407682726093 4.4702e-08  
a 2.588470189885279 1.2786e-08 au
q 2.408586843644316 1.1898e-07 au
i 8.511125102379308 4.5089e-06 deg
node 94.24883843055586 2.7135e-05 deg
peri 342.2444346346896 3.9654e-05 deg
M 346.2888513233069 2.7703e-05 deg
tp 2459258.434133788686
(2021-Feb-12.93413379)
0.00011695 TDB
period 1521.118956238835
4.16
1.1271e-05
3.086e-08
d
yr
n .2366678809198111 1.7536e-09 deg/d
Q 2.768353536126241 1.3675e-08 au
  Orbit Determination Parameters
   # obs. used (total)      780  
   data-arc span      10662 days (29.19 yr)  
   first obs. used      1991-12-04  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53759  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:50:56  

Additional Information
 Earth MOID = 1.42521 au 
 Jupiter MOID = 2.40831 au 
 T_jup = 3.402 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457669.5 (2016-Oct-08.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06893876504601577 4.4682e-08  
q 2.410410254492498 1.1872e-07 au
tp 2457729.260178400306
(2016-Dec-06.76017840)
0.00012118 TDB
node 94.29287052605899 2.718e-05 deg
peri 340.4795681423747 3.9858e-05 deg
i 8.50407430857345 4.5062e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      780  
   data-arc span      10662 days (29.19 yr)  
   first obs. used      1991-12-04  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53759  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:50:56  

Additional Information
 Jupiter MOID = 2.40831 au 
 T_jup = 3.402 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.996468124724722E-15 -5.279473683627717E-15 -7.552391160879379E-13 -1.01682042213318E-15 -1.459803894301529E-13 -1.116583700800515E-15
q -5.279473683627717E-15 1.409501951907179E-14 1.492800546696954E-12 3.220342344422992E-15 2.620394627594529E-13 3.007818465636633E-15
tp -7.552391160879379E-13 1.492800546696954E-12 1.468351525311623E-8 -1.107717627214743E-11 3.548189178683303E-9 6.654338645728282E-13
node -1.01682042213318E-15 3.220342344422992E-15 -1.107717627214743E-11 7.387368923548847E-10 -7.330293992308196E-10 -3.905541824085314E-11
peri -1.459803894301529E-13 2.620394627594529E-13 3.548189178683303E-9 -7.330293992308196E-10 1.588637725417668E-9 3.876473175022775E-11
i -1.116583700800515E-15 3.007818465636633E-15 6.654338645728282E-13 -3.905541824085314E-11 3.876473175022775E-11 2.030558824918898E-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 15.47   n/a MPCxxxxx  
diameter diameter 2.761 km 0.340 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.176   0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70641 (1999 TS240)          Discovered 1999-Oct-04 by CSS at Catalina
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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