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70945 (1999 WB10)
Classification: Main-belt Asteroid          SPK-ID: 2070945
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2352535052523217 3.9525e-08  
a 2.936007786762527 1.9188e-08 au
q 2.245301663478531 1.1943e-07 au
i 16.59804188865893 6.7477e-06 deg
node 254.1689790025127 1.5188e-05 deg
peri 253.7465694793801 2.1958e-05 deg
M 343.7942933670189 1.578e-05 deg
tp 2459083.217938701858
(2020-Aug-21.71793870)
8.0843e-05 TDB
period 1837.529125207369
5.03
1.8014e-05
4.932e-08
d
yr
n .1959152620012884 1.9206e-09 deg/d
Q 3.626713910046522 2.3702e-08 au
  Orbit Determination Parameters
   # obs. used (total)      858  
   data-arc span      7407 days (20.28 yr)  
   first obs. used      1999-10-22  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4927  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:18:10  

Additional Information
 Earth MOID = 1.32187 au 
 Jupiter MOID = 1.84738 au 
 T_jup = 3.172 
[ 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 14.2   n/a MPO337797  
diameter diameter 3.484 km 0.285 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.333   0.087 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70945 (1999 WB10)          Discovered 1999-Nov-30 by Kobayashi, T. at Oizumi
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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