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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457023.5 (2015-Jan-01.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05884067570654219 5.3784e-08  
q 2.161820096830271 1.3005e-07 au
tp 2456661.166916338949
(2014-Jan-03.66691634)
0.00016565 TDB
node 220.6344069033542 4.6765e-05 deg
peri 343.8526941118569 6.6929e-05 deg
i 6.566874315380367 4.9175e-06 deg
  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
 Jupiter MOID = 2.53416 au 
 T_jup = 3.583 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.89275646664399E-15 -6.939162999244482E-15 -1.536903892639704E-12 1.762568970206382E-14 -5.924277145966449E-13 -2.080766456166851E-15
q -6.939162999244482E-15 1.69117877109425E-14 3.429603349520204E-12 -4.457658549763026E-14 1.36424052140847E-12 5.765083269808932E-15
tp -1.536903892639704E-12 3.429603349520204E-12 2.743858548247067E-8 1.021902798519064E-10 7.946646323565149E-9 -1.228721787508791E-11
node 1.762568970206382E-14 -4.457658549763026E-14 1.021902798519064E-10 2.186946735861668E-9 -2.142602400348061E-9 6.358109201478667E-12
peri -5.924277145966449E-13 1.36424052140847E-12 7.946646323565149E-9 -2.142602400348061E-9 4.479487700816077E-9 -9.787507230158525E-12
i -2.080766456166851E-15 5.765083269808932E-15 -1.228721787508791E-11 6.358109201478667E-12 -9.787507230158525E-12 2.418186905408725E-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 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

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