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46534 (1981 EU27)
Classification: Main-belt Asteroid          SPK-ID: 2046534
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 .256435175149394 3.6807e-08  
a 2.26478705073243 7.3843e-09 au
q 1.68401598670178 8.067e-08 au
i 6.166185291265667 5.5678e-06 deg
node 171.1660133979023 3.2384e-05 deg
peri 95.16561286312006 3.476e-05 deg
M 182.959738777424 1.2092e-05 deg
tp 2459812.722135157724
(2022-Aug-21.22213516)
4.3413e-05 TDB
period 1244.91438916085
3.41
6.0885e-06
1.667e-08
d
yr
n .289176511360482 1.4143e-09 deg/d
Q 2.84555811476308 9.2779e-09 au
  Orbit Determination Parameters
   # obs. used (total)      793  
   data-arc span      14588 days (39.94 yr)  
   first obs. used      1981-02-09  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52748  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:49:48  

Additional Information
 Earth MOID = .680879 au 
 Jupiter MOID = 2.27816 au 
 T_jup = 3.565 
[ 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 16.01   n/a MPCxxxxx  

46534 (1981 EU27)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1981 EU27 = 1998 FV11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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