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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1279674406206814 4.6086e-08  
a 2.428215858219532 1.4016e-08 au
q 2.117483289568627 1.1472e-07 au
i 2.93033491740306 5.6731e-06 deg
node 317.6811607075277 0.00011004 deg
peri 285.563552043003 0.00011385 deg
M 75.18963842539067 2.6139e-05 deg
tp 2458711.841161953032
(2019-Aug-16.34116195)
0.00010083 TDB
period 1382.067847021552
3.78
1.1966e-05
3.276e-08
d
yr
n .2604792527196287 2.2553e-09 deg/d
Q 2.738948426870437 1.5809e-08 au
  Orbit Determination Parameters
   # obs. used (total)      369  
   data-arc span      14003 days (38.34 yr)  
   first obs. used      1981-03-02  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66005  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:27:09  

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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