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70660 (1999 TV270)
Classification: Main-belt Asteroid          SPK-ID: 2070660
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0693125359662564 4.7945e-08  
a 2.721457151871675 2.0363e-08 au
q 2.532826055151943 1.2364e-07 au
i 8.53849801016268 4.9259e-06 deg
node 274.9938674325369 4.4303e-05 deg
peri 141.1045236400193 7.1089e-05 deg
M 186.0967496289299 5.3022e-05 deg
tp 2459792.647173363504
(2022-Aug-01.14717336)
0.00024012 TDB
period 1639.836988684034
4.49
1.8405e-05
5.039e-08
d
yr
n .219534016176144 2.4639e-09 deg/d
Q 2.910088248591406 2.1774e-08 au
  Orbit Determination Parameters
   # obs. used (total)      534  
   data-arc span      7141 days (19.55 yr)  
   first obs. used      1999-10-03  
   last obs. used      2019-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54903  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:13:48  

Additional Information
 Earth MOID = 1.55185 au 
 Jupiter MOID = 2.3406 au 
 T_jup = 3.339 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457089.5 (2015-Mar-08.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06992346847797432 4.7356e-08  
q 2.530947234954713 1.2193e-07 au
tp 2456517.782449007247
(2013-Aug-13.28244901)
0.00024736 TDB
node 275.0119058341064 4.4306e-05 deg
peri 142.0685743070377 7.0866e-05 deg
i 8.538455164662855 4.9259e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      534  
   data-arc span      7141 days (19.55 yr)  
   first obs. used      1999-10-03  
   last obs. used      2019-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54903  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:13:48  

Additional Information
 Jupiter MOID = 2.3406 au 
 T_jup = 3.339 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.242601162855204E-15 -5.714452737367961E-15 -4.940249101602757E-12 -5.246388706058024E-15 -1.098050011674609E-12 -2.658434300765056E-15
q -5.714452737367961E-15 1.486723726816224E-14 1.19020593455399E-11 1.068996584131841E-14 2.662549388032253E-12 6.897449509430363E-15
tp -4.940249101602757E-12 1.19020593455399E-11 6.118537821816514E-8 1.536517907596704E-11 1.374146858791709E-8 1.194491952217496E-11
node -5.246388706058024E-15 1.068996584131841E-14 1.536517907596704E-11 1.96299812636331E-9 -1.93793516618752E-9 6.599409800670874E-11
peri -1.098050011674609E-12 2.662549388032253E-12 1.374146858791709E-8 -1.93793516618752E-9 5.022021813121569E-9 -6.25079324168066E-11
i -2.658434300765056E-15 6.897449509430363E-15 1.194491952217496E-11 6.599409800670874E-11 -6.25079324168066E-11 2.426491409292263E-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 MPO337795  
diameter diameter 3.000 km 0.732 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.179   0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70660 (1999 TV270)          Discovered 1999-Oct-03 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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