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43648 (2002 EY76)
Classification: Main-belt Asteroid          SPK-ID: 2043648
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07755530351764453 5.0737e-08  
a 2.896912383206059 1.6072e-08 au
q 2.67224146406249 1.4375e-07 au
i .8616082815406551 3.6926e-06 deg
node 272.4790981425115 0.00037687 deg
peri 109.4265765800717 0.00037863 deg
M 110.1109514877741 3.3303e-05 deg
tp 2458845.654910985822
(2019-Dec-28.15491099)
0.00016765 TDB
period 1800.949218635371
4.93
1.4987e-05
4.103e-08
d
yr
n .1998945868516948 1.6635e-09 deg/d
Q 3.121583302349628 1.7318e-08 au
  Orbit Determination Parameters
   # obs. used (total)      817  
   data-arc span      22136 days (60.61 yr)  
   first obs. used      1960-09-29  
   last obs. used      2021-05-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59125  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:06:02  

Additional Information
 Earth MOID = 1.67436 au 
 Jupiter MOID = 2.26814 au 
 T_jup = 3.284 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457083.5 (2015-Mar-02.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07767092936917139 5.2705e-08  
q 2.670737165314937 1.4974e-07 au
tp 2457029.951826462365
(2015-Jan-07.45182646)
0.00016682 TDB
node 273.0922706231096 0.00037847 deg
peri 105.9422571582321 0.00038011 deg
i .8583843421349765 3.6998e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      817  
   data-arc span      22136 days (60.61 yr)  
   first obs. used      1960-09-29  
   last obs. used      2021-05-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59125  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:06:02  

Additional Information
 Jupiter MOID = 2.26814 au 
 T_jup = 3.284 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.777822810455764E-15 -7.857208741897543E-15 -5.143809840327194E-12 5.486758373320983E-15 -1.112387900083435E-12 -6.70714653037386E-16
q -7.857208741897543E-15 2.242291985694533E-14 1.424848217327992E-11 -1.508149121905009E-14 3.082938262752874E-12 2.022236560978412E-15
tp -5.143809840327194E-12 1.424848217327992E-11 2.782733768413695E-8 -5.950503195791578E-12 5.933102194927228E-9 1.906016267838281E-12
node 5.486758373320983E-15 -1.508149121905009E-14 -5.950503195791578E-12 1.432432018823876E-7 -1.43229230564724E-7 3.421642765679821E-10
peri -1.112387900083435E-12 3.082938262752874E-12 5.933102194927228E-9 -1.43229230564724E-7 1.444870830551964E-7 -3.417321591290475E-10
i -6.70714653037386E-16 2.022236560978412E-15 1.906016267838281E-12 3.421642765679821E-10 -3.417321591290475E-10 1.368846187276338E-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 15.07   n/a MPCxxxxx  

43648 (2002 EY76)          Discovered 2002-Mar-11 by Spacewatch at Kitt Peak
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 EY76 = 1979 OR4 = 1995 YJ2 = 1998 MZ5 = 2000 WZ18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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