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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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06931252569187038 4.3439e-08  
a 2.721457147122607 1.7876e-08 au
q 2.532826078693347 1.1471e-07 au
i 8.538496343148966 4.5134e-06 deg
node 274.9938470480844 3.5996e-05 deg
peri 141.1045633594288 5.3137e-05 deg
M 186.096732322621 3.9714e-05 deg
tp 2459792.647250122018
(2022-Aug-01.14725012)
0.00018274 TDB
period 1639.836984391648
4.49
1.6157e-05
4.424e-08
d
yr
n .2195340167507895 2.163e-09 deg/d
Q 2.910088215551866 1.9115e-08 au
  Orbit Determination Parameters
   # obs. used (total)      564  
   data-arc span      7567 days (20.72 yr)  
   first obs. used      1999-10-03  
   last obs. used      2020-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54019  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:59:44  

Additional Information
 Earth MOID = 1.55185 au 
 Jupiter MOID = 2.3406 au 
 T_jup = 3.339 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.19   n/a E2021B10  
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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