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46530 (1981 EE10)
Classification: Main-belt Asteroid          SPK-ID: 2046530
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1200985929271142 3.2816e-08  
a 2.23348170861674 7.9571e-09 au
q 1.965243698083422 7.469e-08 au
i 2.966728156560723 3.713e-06 deg
node 296.9023476736926 7.5354e-05 deg
peri 3.78738388238312 7.7177e-05 deg
M 216.8303380839871 1.7721e-05 deg
tp 2459685.364653899737
(2022-Apr-15.86465390)
6.1057e-05 TDB
period 1219.191783146781
3.34
6.5153e-06
1.784e-08
d
yr
n .2952775805877121 1.5779e-09 deg/d
Q 2.501719719150057 8.9127e-09 au
  Orbit Determination Parameters
   # obs. used (total)      931  
   data-arc span      14652 days (40.11 yr)  
   first obs. used      1981-02-09  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5051  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:39:09  

Additional Information
 Earth MOID = .947676 au 
 Jupiter MOID = 2.67584 au 
 T_jup = 3.629 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.81   n/a MPCxxxxx  
rotation period rot_per 5.1 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Polishook, D. (2010) Minor Planet Bull. 37, 65-69.]

46530 (1981 EE10)          Discovered 1981-Mar-01 by Bus, S. J. at Siding Spring
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1981 EE10 = 1998 KP14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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