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27677 (1981 EV3)
Classification: Main-belt Asteroid          SPK-ID: 2027677
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07791643935353972 4.7701e-08  
a 2.431779610486346 1.099e-08 au
q 2.242304001944712 1.1921e-07 au
i 5.574668333975098 4.2496e-06 deg
node 253.6988144365672 5.2239e-05 deg
peri 71.68564525779772 5.9311e-05 deg
M 341.3425611299221 2.8024e-05 deg
tp 2459072.285093863744
(2020-Aug-10.78509386)
0.0001078 TDB
period 1385.111534916679
3.79
9.3893e-06
2.571e-08
d
yr
n .2599068673712659 1.7618e-09 deg/d
Q 2.621255219027979 1.1846e-08 au
  Orbit Determination Parameters
   # obs. used (total)      823  
   data-arc span      14425 days (39.49 yr)  
   first obs. used      1981-02-02  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56181  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 02:30:13  

Additional Information
 Earth MOID = 1.23753 au 
 Jupiter MOID = 2.59388 au 
 T_jup = 3.496 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457059.5 (2015-Feb-06.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07723488868779327 4.766e-08  
q 2.243978107724038 1.1896e-07 au
tp 2457690.374057866996
(2016-Oct-28.87405787)
0.00010969 TDB
node 253.7427540650487 5.2223e-05 deg
peri 72.27412146964819 5.9411e-05 deg
i 5.575157665621479 4.2504e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      823  
   data-arc span      14425 days (39.49 yr)  
   first obs. used      1981-02-02  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56181  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 02:30:13  

Additional Information
 Jupiter MOID = 2.59388 au 
 T_jup = 3.496 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.271460844979849E-15 -5.650777295268802E-15 1.102987816200843E-12 1.797283068036146E-14 2.844921684433444E-13 3.020264274148231E-16
q -5.650777295268802E-15 1.415147057828395E-14 -2.845320718803646E-12 -4.383911156538287E-14 -7.463978084771179E-13 -7.222485991206164E-16
tp 1.102987816200843E-12 -2.845320718803646E-12 1.203292872464048E-8 1.955547665762394E-11 3.132633459085153E-9 -6.398225895262292E-13
node 1.797283068036146E-14 -4.383911156538287E-14 1.955547665762394E-11 2.727200874232042E-9 -2.709278748122616E-9 -8.756500877201949E-12
peri 2.844921684433444E-13 -7.463978084771179E-13 3.132633459085153E-9 -2.709278748122616E-9 3.529716077561019E-9 8.589375334996859E-12
i 3.020264274148231E-16 -7.222485991206164E-16 -6.398225895262292E-13 -8.756500877201949E-12 8.589375334996859E-12 1.806614650794101E-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 15.3   n/a MPO474127  

27677 (1981 EV3)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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