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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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2190910888751653 5.0422e-08  
a 2.248818142062613 6.907e-09 au
q 1.756122126635889 1.1244e-07 au
i 7.070441256344489 5.3604e-06 deg
node 4.731642130403066 2.9473e-05 deg
peri 311.9455064412343 3.1061e-05 deg
M 203.3918089423033 9.8576e-06 deg
tp 2459536.348357222422
(2021-Nov-17.84835722)
3.4367e-05 TDB
period 1231.770875439093
3.37
5.6749e-06
1.554e-08
d
yr
n .2922621464577734 1.3465e-09 deg/d
Q 2.741514157489338 8.4203e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1138  
   data-arc span      10408 days (28.50 yr)  
   first obs. used      1991-08-07  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49588  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 01:13:05  

Additional Information
 Earth MOID = .752712 au 
 Jupiter MOID = 2.58854 au 
 T_jup = 3.587 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456961.5 (2014-Oct-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2198729211986187 5.0514e-08  
q 1.754126936071116 1.1275e-07 au
tp 2457072.724430437244
(2015-Feb-19.22443044)
3.2709e-05 TDB
node 4.763346700348147 2.9457e-05 deg
peri 311.9256001053009 3.1032e-05 deg
i 7.074247190311836 5.3624e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1138  
   data-arc span      10408 days (28.50 yr)  
   first obs. used      1991-08-07  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49588  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 01:13:05  

Additional Information
 Jupiter MOID = 2.58854 au 
 T_jup = 3.587 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.551668378204023E-15 -5.689393999198147E-15 8.028463123799122E-13 -1.431843673111122E-14 1.90366685546097E-13 -2.233077929557256E-15
q -5.689393999198147E-15 1.271318735211198E-14 -1.813889032217228E-12 3.129422676250592E-14 -4.323262803731116E-13 5.135924919763852E-15
tp 8.028463123799122E-13 -1.813889032217228E-12 1.069895729386702E-9 -6.703921012350509E-12 3.262732584043413E-10 -2.470370602888046E-12
node -1.431843673111122E-14 3.129422676250592E-14 -6.703921012350509E-12 8.676885753472946E-10 -8.617925289636017E-10 -2.976605670119383E-11
peri 1.90366685546097E-13 -4.323262803731116E-13 3.262732584043413E-10 -8.617925289636017E-10 9.629643587225278E-10 2.887230564368126E-11
i -2.233077929557256E-15 5.135924919763852E-15 -2.470370602888046E-12 -2.976605670119383E-11 2.887230564368126E-11 2.875575783116201E-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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