Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
85140 (1981 ES19)
Classification: Main-belt Asteroid          SPK-ID: 2085140
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456430.5 (2013-May-18.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03693190209731365 3.9886e-08  
q 2.186885415423598 8.912e-08 au
tp 2456079.596324063256
(2012-Jun-01.09632406)
0.00024851 TDB
node 351.9953757532448 4.506e-05 deg
peri 228.8058941043665 8.5171e-05 deg
i 5.134488460383851 5.1542e-06 deg
  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
 Jupiter MOID = 2.61644 au 
 T_jup = 3.607 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.590922581473214E-15 -3.533974433343795E-15 -2.28411227608543E-12 3.012288084478173E-15 -6.436474200217063E-13 -2.635654490703955E-15
q -3.533974433343795E-15 7.942442264169806E-15 4.465618245824853E-12 -8.01593794864851E-15 1.260103618344185E-12 6.138849862798219E-15
tp -2.28411227608543E-12 4.465618245824853E-12 6.175743787068185E-8 5.064580708676184E-11 1.79709107582628E-8 4.198355782840263E-12
node 3.012288084478173E-15 -8.01593794864851E-15 5.064580708676184E-11 2.030435868118437E-9 -2.007120518103506E-9 -1.696289120372078E-11
peri -6.436474200217063E-13 1.260103618344185E-12 1.79709107582628E-8 -2.007120518103506E-9 7.254132819014233E-9 1.807987387630666E-11
i -2.635654490703955E-15 6.138849862798219E-15 4.198355782840263E-12 -1.696289120372078E-11 1.807987387630666E-11 2.656544642385462E-11

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2171-Jan-10 09:23 < 00:01 Juno 0.0212274960789813 0.0212103204195999 0.0212446844609597 8.29968225317066 8.29968218411715 2514010.890963628 0.251295358991007 1185.96132382426 39.8182809136254 43.7867791573414 55204.9732604403 T 13 CATAB v2.0f-lin.ifort 2020-Jan-29 13:18:26 2020-Jan-29 13:18

Alternate Designations
 1981 ES19 = 1998 EH7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-27 20:51 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin