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46528 (1981 EB8)
Classification: Main-belt Asteroid          SPK-ID: 2046528
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1612331766090311 4.4079e-08  
a 2.461396527970949 1.006e-08 au
q 2.064537746871753 1.0838e-07 au
i 7.625109209720386 4.1677e-06 deg
node 319.6039255420782 4.0541e-05 deg
peri 113.4923239200881 4.3173e-05 deg
M 192.0368303520528 1.6089e-05 deg
tp 2459858.585562732614
(2022-Oct-06.08556273)
6.4822e-05 TDB
period 1410.49256858101
3.86
8.6469e-06
2.367e-08
d
yr
n .2552299870407462 1.5647e-09 deg/d
Q 2.858255309070145 1.1682e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1010  
   data-arc span      14372 days (39.35 yr)  
   first obs. used      1981-02-09  
   last obs. used      2020-06-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51178  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:49:47  

Additional Information
 Earth MOID = 1.09293 au 
 Jupiter MOID = 2.41736 au 
 T_jup = 3.460 
[ 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 15.07   n/a E2021B10  
diameter diameter 2.909 km 0.572 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.275   0.151 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46528 (1981 EB8)          Discovered 1981-Mar-01 by Bus, S. J. at Siding Spring
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1981 EB8 = 1998 OH11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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