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30751 (1981 EL29)
Classification: Main-belt Asteroid          SPK-ID: 2030751
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1073531855216183 4.0599e-08  
a 2.405472551037305 9.3031e-09 au
q 2.147237409998637 9.5642e-08 au
i 5.469447661075677 3.7253e-06 deg
node 194.5663019235221 4.3366e-05 deg
peri 67.54004978469254 4.6097e-05 deg
M 165.0164817152082 1.6129e-05 deg
tp 2458575.868534608760
(2019-Apr-02.36853461)
6.0165e-05 TDB
period 1362.696169519181
3.73
7.9053e-06
2.164e-08
d
yr
n .2641821471671295 1.5326e-09 deg/d
Q 2.663707692075973 1.0302e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1039  
   data-arc span      14608 days (39.99 yr)  
   first obs. used      1981-02-09  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50864  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:39:40  

Additional Information
 Earth MOID = 1.13752 au 
 Jupiter MOID = 2.38702 au 
 T_jup = 3.509 
[ show covariance matrix ]

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 15.67   n/a MPCxxxxx  

30751 (1981 EL29)          Discovered 1981-Mar-01 by Bus, S. J. at Siding Spring
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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