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46527 (1981 EE7)
Classification: Main-belt Asteroid          SPK-ID: 2046527
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1927081702455534 3.7087e-08  
a 2.255041905679521 1.0924e-08 au
q 1.820476906208975 8.0831e-08 au
i 6.177301201055245 4.2402e-06 deg
node 310.4492073533619 4.5467e-05 deg
peri 303.5420543910513 4.7122e-05 deg
M 156.9064317416203 1.3765e-05 deg
tp 2458461.400911619190
(2018-Dec-08.90091162)
4.6488e-05 TDB
period 1236.887931634813
3.39
8.9879e-06
2.461e-08
d
yr
n .2910530459491046 2.115e-09 deg/d
Q 2.689606905150067 1.3029e-08 au
  Orbit Determination Parameters
   # obs. used (total)      680  
   data-arc span      14170 days (38.80 yr)  
   first obs. used      1981-02-09  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .593  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:55:38  

Additional Information
 Earth MOID = .814442 au 
 Jupiter MOID = 2.39508 au 
 T_jup = 3.592 
[ 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 16.0   n/a MPO493180  

46527 (1981 EE7)          Discovered 1981-Mar-06 by Bus, S. J. at Siding Spring
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1981 EE7 = 1998 FE113 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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