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249131 (2007 YG56)
Classification: Main-belt Asteroid          SPK-ID: 2249131
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08158436714918024 4.8615e-08  
a 2.667973293401158 2.2692e-08 au
q 2.45030838068811 1.333e-07 au
i 10.24711516044743 5.7845e-06 deg
node 302.1924212365925 2.7138e-05 deg
peri 170.5227689646385 4.1928e-05 deg
M 222.7596867653832 3.3321e-05 deg
tp 2459207.305968235026
(2020-Dec-23.80596823)
0.00014892 TDB
period 1591.734552450065
4.36
2.0307e-05
5.56e-08
d
yr
n .2261683642199466 2.8854e-09 deg/d
Q 2.885638206114205 2.4543e-08 au
  Orbit Determination Parameters
   # obs. used (total)      426  
   data-arc span      6221 days (17.03 yr)  
   first obs. used      2002-10-13  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48481  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:44:08  

Additional Information
 Earth MOID = 1.46755 au 
 Jupiter MOID = 2.20529 au 
 T_jup = 3.355 
[ 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 15.9   n/a MPO302978  
diameter diameter 3.971 km 0.757 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249131 (2007 YG56)          Discovered 2007-Dec-30 by Healy, D. at Junk Bond
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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