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85148 (1981 EH39)
Classification: Main-belt Asteroid          SPK-ID: 2085148
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1279674590492325 4.3354e-08  
a 2.428215851800101 1.292e-08 au
q 2.117483239222175 1.0648e-07 au
i 2.930335285486501 5.6583e-06 deg
node 317.6811312737746 0.000106 deg
peri 285.5635924511318 0.00010955 deg
M 75.18963163714152 2.5499e-05 deg
tp 2458711.841189158328
(2019-Aug-16.34118916)
9.8157e-05 TDB
period 1382.06784154093
3.78
1.103e-05
3.02e-08
d
yr
n .2604792537525653 2.0789e-09 deg/d
Q 2.738948464378028 1.4573e-08 au
  Orbit Determination Parameters
   # obs. used (total)      379  
   data-arc span      14396 days (39.41 yr)  
   first obs. used      1981-03-02  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66018  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:55:18  

Additional Information
 Earth MOID = 1.10674 au 
 Jupiter MOID = 2.28484 au 
 T_jup = 3.496 
[ 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 16.7   n/a MPO240809  

85148 (1981 EH39)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1981 EH39 = 2000 FN62 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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