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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08438759850257355 5.4129e-08  
a 3.080620260698305 4.5703e-08 au
q 2.820654114999603 1.5899e-07 au
i 3.688311130789968 5.8199e-06 deg
node 123.9209018531015 9.0898e-05 deg
peri 90.47017615580614 9.8097e-05 deg
M 225.86965038959 3.8137e-05 deg
tp 2459336.334648472175
(2021-May-01.83464847)
0.00021676 TDB
period 1974.948057761746
5.41
4.395e-05
1.203e-07
d
yr
n .1822832750386338 4.0565e-09 deg/d
Q 3.340586406397007 4.956e-08 au
  Orbit Determination Parameters
   # obs. used (total)      229  
   data-arc span      5830 days (15.96 yr)  
   first obs. used      2002-11-24  
   last obs. used      2018-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56628  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:42:58  

Additional Information
 Earth MOID = 1.81737 au 
 Jupiter MOID = 1.63302 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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