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295608 (2008 SY187)
Classification: Main-belt Asteroid          SPK-ID: 2295608
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05874706251724906 5.3864e-08  
a 2.296853628405319 1.8312e-08 au
q 2.161920224704422 1.302e-07 au
i 6.569122570731811 4.9184e-06 deg
node 220.6111034596157 4.6743e-05 deg
peri 343.3754447460657 6.6869e-05 deg
M 302.8555330466332 4.7248e-05 deg
tp 2459202.322737100943
(2020-Dec-18.82273710)
0.0001672 TDB
period 1271.447424920966
3.48
1.5205e-05
4.163e-08
d
yr
n .2831418688211805 3.386e-09 deg/d
Q 2.431787032106217 1.9388e-08 au
  Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      6677 days (18.28 yr)  
   first obs. used      2001-10-19  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62267  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:41:16  

Additional Information
 Earth MOID = 1.15786 au 
 Jupiter MOID = 2.53416 au 
 T_jup = 3.583 
[ 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 17.1   n/a MPO455185  

295608 (2008 SY187)          Discovered 2008-Sep-25 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2015-Sep-09 00:12 00:01 Amphi 0.0245121008936681 0.0245110603563795 0.0245131414669776 4.1886589895163 4.1886589335254 2457274.508247079 1.14248881319952 187.998127048186 50.0920440415587 -85.7449276909202 72981.1395682546 T 13 CATAB v2.0f-lin.ifort 2020-Feb-25 16:41:18 2020-Feb-25 16:41
2157-Jul-08 10:57 00:03 Hebe 0.0344660236089031 0.0344026174795642 0.0345294562709365 7.5250757934126 7.52507576944329 2509076.956281078 3.3543682776926 3503.17817949343 66.7463842978877 -25.503899801473 33280.217959004 T 13 CATAB v2.0f-lin.ifort 2020-Feb-25 16:41:18 2020-Feb-25 16:41

Alternate Designations
 2008 SY187 = 2001 UU210 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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