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27927 (1997 EQ32)
Classification: Main-belt Asteroid          SPK-ID: 2027927
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2190910881008632 5.0411e-08  
a 2.248818141742003 6.8829e-09 au
q 1.756122128126786 1.1241e-07 au
i 7.070441089123626 5.3097e-06 deg
node 4.731640601703273 2.9383e-05 deg
peri 311.9455082733056 3.0914e-05 deg
M 203.3918089806735 9.786e-06 deg
tp 2459536.348356976542
(2021-Nov-17.84835698)
3.4155e-05 TDB
period 1231.770875175675
3.37
5.6551e-06
1.548e-08
d
yr
n .2922621465202745 1.3418e-09 deg/d
Q 2.741514155357219 8.3909e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1160  
   data-arc span      10484 days (28.70 yr)  
   first obs. used      1991-08-07  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49077  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 06:24:43  

Additional Information
 Earth MOID = .752712 au 
 Jupiter MOID = 2.58854 au 
 T_jup = 3.587 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457020.5 (2014-Dec-29.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2198883647179366 5.0503e-08  
q 1.754143332296589 1.1271e-07 au
tp 2457072.711894669387
(2015-Feb-19.21189467)
3.2347e-05 TDB
node 4.762365550255607 2.9366e-05 deg
peri 311.9208160500904 3.0885e-05 deg
i 7.074257798047094 5.3118e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1160  
   data-arc span      10484 days (28.70 yr)  
   first obs. used      1991-08-07  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49077  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 06:24:43  

Additional Information
 Jupiter MOID = 2.58854 au 
 T_jup = 3.587 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.55058558756794E-15 -5.686151808029739E-15 7.980947687799613E-13 -1.408250332455374E-14 1.8815972577931E-13 -2.139404137102562E-15
q -5.686151808029739E-15 1.270388722809775E-14 -1.800584763355352E-12 3.074541443945407E-14 -4.263676951769068E-13 4.920182481665728E-15
tp 7.980947687799613E-13 -1.800584763355352E-12 1.04632972023466E-9 -6.561192382554239E-12 3.165953517830013E-10 -2.342872836362936E-12
node -1.408250332455374E-14 3.074541443945407E-14 -6.561192382554239E-12 8.623581724169151E-10 -8.564827306583092E-10 -3.145450557293649E-11
peri 1.8815972577931E-13 -4.263676951769068E-13 3.165953517830013E-10 -8.564827306583092E-10 9.538588567488999E-10 3.058720867786155E-11
i -2.139404137102562E-15 4.920182481665728E-15 -2.342872836362936E-12 -3.145450557293649E-11 3.058720867786155E-11 2.821540645318698E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO358890  

27927 (1997 EQ32)          Discovered 1997-Mar-11 by Spacewatch at Kitt Peak
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 EQ32 = 1991 PT20 = 1998 VF37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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