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243385 (2008 YD49)
Classification: Main-belt Asteroid          SPK-ID: 2243385
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .106854582923296 4.6651e-08  
a 3.132475965169062 5.16e-08 au
q 2.797756552393672 1.5428e-07 au
i 5.874788052541534 6.0677e-06 deg
node 95.99901037564814 9.0721e-05 deg
peri 164.9160253893725 0.00010314 deg
M 253.4102632678734 5.1745e-05 deg
tp 2459600.074200180454
(2022-Jan-20.57420018)
0.00029562 TDB
period 2025.023409218221
5.54
5.0036e-05
1.37e-07
d
yr
n .177775722671266 4.3926e-09 deg/d
Q 3.467195377944452 5.7113e-08 au
  Orbit Determination Parameters
   # obs. used (total)      225  
   data-arc span      7125 days (19.51 yr)  
   first obs. used      2000-07-31  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62436  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:20:20  

Additional Information
 Earth MOID = 1.78275 au 
 Jupiter MOID = 1.59972 au 
 T_jup = 3.196 
[ 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 15.6   n/a MPO427390  
diameter diameter 3.702 km 0.520 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243385 (2008 YD49)          Discovered 2008-Dec-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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