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295992 (2008 YR87)
Classification: Main-belt Asteroid          SPK-ID: 2295992
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08417511914054628 4.7387e-08  
a 3.080020876132745 3.86e-08 au
q 2.820759751928901 1.4793e-07 au
i 3.688808204994773 5.7896e-06 deg
node 123.9181854796415 8.0605e-05 deg
peri 90.62904897720308 8.871e-05 deg
M 298.6069508759961 3.8475e-05 deg
tp 2459337.201940781529
(2021-May-02.70194078)
0.00021395 TDB
period 1974.371698602566
5.41
3.7115e-05
1.016e-07
d
yr
n .1823364872251781 3.4277e-09 deg/d
Q 3.339282000336588 4.1849e-08 au
  Orbit Determination Parameters
   # obs. used (total)      290  
   data-arc span      6356 days (17.40 yr)  
   first obs. used      2002-11-24  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54957  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 18:45:57  

Additional Information
 Earth MOID = 1.81727 au 
 Jupiter MOID = 1.63351 au 
 T_jup = 3.219 
[ 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 15.8   n/a MPO418565  
diameter diameter 3.835 km 0.160 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

295992 (2008 YR87)          Discovered 2008-Dec-29 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
Alternate Designations
 2008 YR87 = 2005 JU178 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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