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70618 (1999 TP209)
Classification: Main-belt Asteroid          SPK-ID: 2070618
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0856009472746886 4.2345e-08  
a 2.692679193405926 1.7853e-08 au
q 2.462183303743534 1.158e-07 au
i 13.30855064281381 5.6767e-06 deg
node 307.9856013304235 1.9944e-05 deg
peri 322.6476004739747 4.3639e-05 deg
M 57.09057926202482 3.563e-05 deg
tp 2458944.560511643272
(2020-Apr-05.06051164)		 0.00016076 TDB
period 1613.895269577515
4.42		 1.6051e-05
4.395e-08		 d
yr
n .2230628014011347 2.2184e-09 deg/d
Q 2.923175083068317 1.9381e-08 au
   Orbit Determination Parameters
   # obs. used (total)      896  
   data-arc span      10547 days (28.88 yr)  
   first obs. used      1992-01-01  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53742  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:54:52  

Additional Information
 Earth MOID = 1.45644 au 
 Jupiter MOID = 2.28617 au 
 T_jup = 3.327 
[ 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 14.77   n/a E2021B10  
diameter diameter 3.557 km 0.780 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.243   0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70618 (1999 TP209)          Discovered 1999-Oct-14 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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