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249363 (2008 YG142)
Classification: Main-belt Asteroid          SPK-ID: 2249363
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05032984421534492 4.3807e-08  
a 2.759776503969266 2.4717e-08 au
q 2.620877382455324 1.1467e-07 au
i 4.384478143464307 5.7751e-06 deg
node 326.6869542629825 6.2956e-05 deg
peri 276.5955954791724 9.5231e-05 deg
M 53.32840573106221 6.8448e-05 deg
tp 2458752.435055519762
(2019-Sep-25.93505552)
0.0003192 TDB
period 1674.593095155462
4.58
2.2497e-05
6.159e-08
d
yr
n .2149775972691319 2.8881e-09 deg/d
Q 2.898675625483208 2.5961e-08 au
  Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      5626 days (15.40 yr)  
   first obs. used      2005-05-14  
   last obs. used      2020-10-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57018  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:18:27  

Additional Information
 Earth MOID = 1.61229 au 
 Jupiter MOID = 2.1183 au 
 T_jup = 3.336 
[ 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 16.4   n/a MPO433634  
diameter diameter 2.833 km 0.426 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249363 (2008 YG142)          Discovered 2008-Dec-30 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

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