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379369 (2009 WN216)
Classification: Main-belt Asteroid          SPK-ID: 2379369
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1707317928632275 5.5376e-08  
a 2.57111009123556 4.8509e-08 au
q 2.132139855710177 1.4529e-07 au
i 8.908213424903654 8.5666e-06 deg
node 7.452278905102146 3.9084e-05 deg
peri 308.5041256390583 4.8881e-05 deg
M 281.0281107557774 2.9615e-05 deg
tp 2459330.831099747006
(2021-Apr-26.33109975)
0.00012438 TDB
period 1505.842104665388
4.12
4.2616e-05
1.167e-07
d
yr
n .2390688896828233 6.7657e-09 deg/d
Q 3.010080326760944 5.6791e-08 au
  Orbit Determination Parameters
   # obs. used (total)      256  
   data-arc span      3381 days (9.26 yr)  
   first obs. used      2009-10-24  
   last obs. used      2019-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58695  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:55:13  

Additional Information
 Earth MOID = 1.13261 au 
 Jupiter MOID = 2.34566 au 
 T_jup = 3.392 
[ 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 16.3   n/a MPO471890  
diameter diameter 3.883 km 0.245 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.043   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

379369 (2009 WN216)          Discovered 2009-Oct-24 by CSS at Catalina
Reference: Last Updated: 2013-11-20

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