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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03685207374464825 3.9939e-08  
a 2.270574306254352 8.5535e-09 au
q 2.186898934477564 8.9327e-08 au
i 5.136012058278381 4.8426e-06 deg
node 351.905496813974 3.967e-05 deg
peri 228.2716501621697 6.8398e-05 deg
M 121.7918447685524 5.6424e-05 deg
tp 2458577.716807880272
(2019-Apr-04.21680788)
0.00019545 TDB
period 1249.689168041912
3.42
7.0616e-06
1.933e-08
d
yr
n .2880716334959273 1.6278e-09 deg/d
Q 2.354249678031141 8.8687e-09 au
  Orbit Determination Parameters
   # obs. used (total)      714  
   data-arc span      14503 days (39.71 yr)  
   first obs. used      1981-03-02  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50931  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:14:04  

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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