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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 ]

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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3035045879259606 3.0431e-08  
a 2.70593863881822 1.268e-08 au
q 1.884673847290762 8.5295e-08 au
i 1.489533871922702 4.6822e-06 deg
node 24.73327974321223 0.00016621 deg
peri 50.13085499427181 0.00016655 deg
M 108.6547771992574 9.1533e-06 deg
tp 2458905.793661484675
(2020-Feb-26.29366148)
3.9818e-05 TDB
period 1625.830786450911
4.45
1.1427e-05
3.129e-08
d
yr
n .2214252571670499 1.5563e-09 deg/d
Q 3.527203430345679 1.6528e-08 au
  Orbit Determination Parameters
   # obs. used (total)      390  
   data-arc span      8544 days (23.39 yr)  
   first obs. used      1997-12-21  
   last obs. used      2021-05-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5507  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 04:26:48  

Additional Information
 Earth MOID = .900011 au 
 Jupiter MOID = 1.77431 au 
 T_jup = 3.297 
[ 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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