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249355 (2008 YD30)
Classification: Main-belt Asteroid          SPK-ID: 2249355
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1508549867275019 6.9996e-08  
a 3.120959133337313 4.0488e-08 au
q 2.650146884700637 2.1842e-07 au
i 6.385967613436553 7.6037e-06 deg
node 285.0929358253278 6.9785e-05 deg
peri 192.69682172031 7.4493e-05 deg
M 311.3952113533006 2.7966e-05 deg
tp 2458872.398685501341
(2020-Jan-23.89868550)
0.00015938 TDB
period 2013.865907163646
5.51
3.9188e-05
1.073e-07
d
yr
n .1787606606375439 3.4786e-09 deg/d
Q 3.591771381973989 4.6596e-08 au
  Orbit Determination Parameters
   # obs. used (total)      265  
   data-arc span      6611 days (18.10 yr)  
   first obs. used      2001-09-20  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62091  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:45:39  

Additional Information
 Earth MOID = 1.66714 au 
 Jupiter MOID = 1.52594 au 
 T_jup = 3.189 
[ 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 15.7   n/a MPO418331  
diameter diameter 4.330 km 0.840 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.034   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249355 (2008 YD30)          Discovered 2008-Dec-30 by Lowe, A. at Mayhill
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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