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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.


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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457253.5 (2015-Aug-19.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3002620527085174 3.3328e-08  
q 1.89543003261291 9.4095e-08 au
tp 2457278.236897211725
(2015-Sep-12.73689721)
4.6434e-05 TDB
node 24.81851885724226 0.00019185 deg
peri 50.15460706413739 0.00019235 deg
i 1.493293595801511 4.7156e-06 deg
  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
 Jupiter MOID = 1.77201 au 
 T_jup = 3.296 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.110727796983893E-15 -3.122337600217644E-15 2.805427844275217E-13 6.79480433769049E-15 7.119528020062513E-14 -1.124581582779455E-15
q -3.122337600217644E-15 8.853891445601365E-15 -8.210532042693266E-13 -2.199878952501806E-14 -2.054156841062621E-13 3.288629312906505E-15
tp 2.805427844275217E-13 -8.210532042693266E-13 2.156116272886406E-9 2.461564809589229E-12 6.658355816053376E-10 -2.395104388531249E-12
node 6.79480433769049E-15 -2.199878952501806E-14 2.461564809589229E-12 3.680589796429502E-8 -3.679238600442358E-8 -2.807042470731857E-10
peri 7.119528020062513E-14 -2.054156841062621E-13 6.658355816053376E-10 -3.679238600442358E-8 3.699689174923251E-8 2.798772291494615E-10
i -1.124581582779455E-15 3.288629312906505E-15 -2.395104388531249E-12 -2.807042470731857E-10 2.798772291494615E-10 2.223645743887947E-11

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

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