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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1200881861621841 3.549e-08  
a 2.233516333276559 8.3161e-09 au
q 1.965297408049764 7.9785e-08 au
i 2.96682192313661 4.0201e-06 deg
node 296.902633762267 8.1178e-05 deg
peri 3.73379883741918 8.3085e-05 deg
M 157.842802007127 1.8143e-05 deg
tp 2458465.930216016204
(2018-Dec-13.43021602)
6.0703e-05 TDB
period 1219.220134127352
3.34
6.8093e-06
1.864e-08
d
yr
n .2952707143879866 1.6491e-09 deg/d
Q 2.501735258503353 9.3148e-09 au
  Orbit Determination Parameters
   # obs. used (total)      835  
   data-arc span      14223 days (38.94 yr)  
   first obs. used      1981-02-09  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51028  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:29:59  

Additional Information
 Earth MOID = .949711 au 
 Jupiter MOID = 2.67648 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 15.8   n/a MPO449295  
rotation period rot_per 5.1 h n/a LCDB (Rev. 2019-August); 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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