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249599 (1997 YN3)
Classification: Main-belt Asteroid          SPK-ID: 2249599
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3033863961836561 3.3203e-08  
a 2.706672604443751 1.3409e-08 au
q 1.885504957332531 9.3815e-08 au
i 1.489382961864542 4.7148e-06 deg
node 24.73775357419072 0.00019249 deg
peri 50.18830239552601 0.00019296 deg
M 20.94254451849479 1.002e-05 deg
tp 2458905.880866992041
(2020-Feb-26.38086699)
4.5136e-05 TDB
period 1626.492322973635
4.45
1.2087e-05
3.309e-08
d
yr
n .2213351977842908 1.6448e-09 deg/d
Q 3.52784025155497 1.7477e-08 au
  Orbit Determination Parameters
   # obs. used (total)      352  
   data-arc span      8071 days (22.10 yr)  
   first obs. used      1997-12-21  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52086  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:25:12  

Additional Information
 Earth MOID = .901016 au 
 Jupiter MOID = 1.77201 au 
 T_jup = 3.296 
[ 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 16.9   n/a MPO454851  
diameter diameter 2.705 km 0.732 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249599 (1997 YN3)          Discovered 1997-Dec-21 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ show close-approach data ]
Alternate Designations
 1997 YN3 = 2001 RM112 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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