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70649 (1999 TB246)
Classification: Main-belt Asteroid          SPK-ID: 2070649
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 .2120458491877799 3.4844e-08  
a 2.700777555592066 1.6962e-08 au
q 2.12808888534925 9.2867e-08 au
i 7.512530914217145 4.9999e-06 deg
node 172.284412106083 3.1195e-05 deg
peri 273.7903724958617 3.4166e-05 deg
M 204.1617456808214 1.765e-05 deg
tp 2459702.283615391295
(2022-May-02.78361539)
8.4059e-05 TDB
period 1621.181542648827
4.44
1.5273e-05
4.182e-08
d
yr
n .2220602631657161 2.092e-09 deg/d
Q 3.273466225834882 2.0559e-08 au
  Orbit Determination Parameters
   # obs. used (total)      657  
   data-arc span      10426 days (28.54 yr)  
   first obs. used      1990-10-23  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57661  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:35:23  

Additional Information
 Earth MOID = 1.15991 au 
 Jupiter MOID = 2.01949 au 
 T_jup = 3.323 
[ 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 15.1   n/a MPO436276  
diameter diameter 4.962 km 0.226 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70649 (1999 TB246)          Discovered 1999-Oct-08 by CSS at Catalina
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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