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85150 (1981 EO46)
Classification: Outer Main-belt Asteroid          SPK-ID: 2085150
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1318410512078936 3.873e-08  
a 3.228224934831593 3.02e-08 au
q 2.802612365887863 1.2019e-07 au
i 1.875651109802031 4.9325e-06 deg
node 145.2931349887002 0.00013616 deg
peri 104.1744203278061 0.00013748 deg
M 228.5873529976514 1.8986e-05 deg
tp 2459773.854774083075
(2022-Jul-13.35477408)
0.00011371 TDB
period 2118.576293991943
5.80
2.9729e-05
8.139e-08
d
yr
n .1699254357848342 2.3845e-09 deg/d
Q 3.653837503775324 3.4182e-08 au
  Orbit Determination Parameters
   # obs. used (total)      583  
   data-arc span      21671 days (59.33 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53759  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:27:10  

Additional Information
 Earth MOID = 1.78939 au 
 Jupiter MOID = 1.3793 au 
 T_jup = 3.173 
[ 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 15.0   n/a MPO468820  

85150 (1981 EO46)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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Alternate Designations
 1981 EO46 = 2004 EJ25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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