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79113 (1981 EP45)
Classification: Outer Main-belt Asteroid          SPK-ID: 2079113
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1482933441740735 4.2765e-08  
a 3.200024796978305 3.0447e-08 au
q 2.725482418394432 1.3961e-07 au
i 13.66111643310941 7.8031e-06 deg
node 344.6802794062204 2.0553e-05 deg
peri 275.329643080764 3.7226e-05 deg
M 254.5707204707718 3.4929e-05 deg
tp 2459612.832316380174
(2022-Feb-02.33231638)
0.00020755 TDB
period 2090.876793251255
5.72
2.9841e-05
8.17e-08
d
yr
n .1721765726043619 2.4573e-09 deg/d
Q 3.674567175562178 3.4963e-08 au
  Orbit Determination Parameters
   # obs. used (total)      382  
   data-arc span      14311 days (39.18 yr)  
   first obs. used      1981-02-12  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61308  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:37:48  

Additional Information
 Earth MOID = 1.75461 au 
 Jupiter MOID = 1.69816 au 
 T_jup = 3.133 
[ 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 14.8   n/a MPO422202  

79113 (1981 EP45)          Discovered 1981-Mar-01 by Bus, S. J. at Siding Spring
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1981 EP45 = 1998 FB76 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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