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JPL Small-Body Database Browser
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85140 (1981 ES19)
Classification: Main-belt Asteroid          SPK-ID: 2085140
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 .03685207128494678 3.9971e-08  
a 2.270574304561003 1.0218e-08 au
q 2.186898938431552 8.9271e-08 au
i 5.136012299790852 5.1569e-06 deg
node 351.9054945303397 4.5026e-05 deg
peri 228.2716756200586 8.5274e-05 deg
M 121.7918229731393 7.0284e-05 deg
tp 2458577.716884012926
(2019-Apr-04.21688401)
0.00024461 TDB
period 1249.689166643921
3.42
8.4357e-06
2.31e-08
d
yr
n .2880716338181846 1.9446e-09 deg/d
Q 2.354249670690453 1.0595e-08 au
  Orbit Determination Parameters
   # obs. used (total)      609  
   data-arc span      14004 days (38.34 yr)  
   first obs. used      1981-03-02  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5555  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 13:18:09  

Additional Information
 Earth MOID = 1.18313 au 
 Jupiter MOID = 2.61644 au 
 T_jup = 3.607 
[ 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 16.3   n/a MPO474738  

85140 (1981 ES19)          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 ES19 = 1998 EH7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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