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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1276888124199113 4.6168e-08  
a 2.428264397756165 1.4263e-08 au
q 2.118202200565129 1.1482e-07 au
i 2.92919213462134 5.7974e-06 deg
node 317.707300087493 0.00011043 deg
peri 285.8165584696407 0.00011438 deg
M 330.7894838098271 2.6836e-05 deg
tp 2458712.644793713483
(2019-Aug-17.14479371)
0.00010281 TDB
period 1382.109288107554
3.78
1.2177e-05
3.334e-08
d
yr
n .2604714425245836 2.2949e-09 deg/d
Q 2.738326594947201 1.6084e-08 au
  Orbit Determination Parameters
   # obs. used (total)      352  
   data-arc span      13947 days (38.18 yr)  
   first obs. used      1981-03-02  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63916  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:55:11  

Additional Information
 Earth MOID = 1.10725 au 
 Jupiter MOID = 2.28628 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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