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70620 (1999 TF213)
Classification: Main-belt Asteroid          SPK-ID: 2070620
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06633380018986915 3.6132e-08  
a 2.40533847829136 8.5631e-09 au
q 2.245783236283377 8.5434e-08 au
i 6.178511486300648 4.8671e-06 deg
node 354.9980266805416 3.2173e-05 deg
peri 151.1226205988631 5.1065e-05 deg
M 65.0115825671154 3.8169e-05 deg
tp 2458754.434366656699
(2019-Sep-27.93436666)
0.00014446 TDB
period 1362.582243127799
3.73
7.2763e-06
1.992e-08
d
yr
n .2642042356090172 1.4109e-09 deg/d
Q 2.564893720299343 9.1311e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1156  
   data-arc span      9037 days (24.74 yr)  
   first obs. used      1995-09-20  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52939  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:36:35  

Additional Information
 Earth MOID = 1.25887 au 
 Jupiter MOID = 2.42295 au 
 T_jup = 3.512 
[ show covariance matrix ]

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 MPO468646  
diameter diameter 2.621 km 0.594 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.214   0.130 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70620 (1999 TF213)          Discovered 1999-Oct-15 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TF213 = 1995 SJ31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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