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
JPL Small-Body Database Browser
Search: [ help ]  
19105 (1981 EB15)
Classification: Main-belt Asteroid          SPK-ID: 2019105
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1404005179642952 3.4297e-08  
a 2.572030621707133 1.0946e-08 au
q 2.210916190199423 9.0311e-08 au
i 2.595333748203156 3.7941e-06 deg
node 257.4151866068227 0.00013452 deg
peri 215.9723515917054 0.00013653 deg
M 233.0845909630506 2.4534e-05 deg
tp 2459531.658923647218
(2021-Nov-13.15892365)
0.00010395 TDB
period 1506.650878439266
4.12
9.6184e-06
2.633e-08
d
yr
n .2389405569344124 1.5254e-09 deg/d
Q 2.933145053214842 1.2483e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1015  
   data-arc span      15456 days (42.32 yr)  
   first obs. used      1978-07-08  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53639  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:10:57  

Additional Information
 Earth MOID = 1.22807 au 
 Jupiter MOID = 2.17088 au 
 T_jup = 3.414 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457045.5 (2015-Jan-23.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1392691989861458 3.3751e-08  
q 2.214404648240245 8.8663e-08 au
tp 2456512.591196442073
(2013-Aug-08.09119644)
9.9462e-05 TDB
node 257.4805014107351 0.00013455 deg
peri 215.1013768129967 0.00013664 deg
i 2.593811605502286 3.8e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1015  
   data-arc span      15456 days (42.32 yr)  
   first obs. used      1978-07-08  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53639  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:10:57  

Additional Information
 Jupiter MOID = 2.17088 au 
 T_jup = 3.414 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.139132408921168E-15 -2.97586667000269E-15 1.021458913748942E-12 2.494613121832656E-16 2.772378578724721E-13 1.053896384394968E-16
q -2.97586667000269E-15 7.86115989220772E-15 -2.382349969855481E-12 1.799399182011364E-15 -6.512155082503408E-13 -1.730807827001532E-16
tp 1.021458913748942E-12 -2.382349969855481E-12 9.892695197035989E-9 2.471380358239743E-11 2.420210441026704E-9 1.170030623399241E-12
node 2.494613121832656E-16 1.799399182011364E-15 2.471380358239743E-11 1.810451517840104E-8 -1.807999636425781E-8 -1.913604250606857E-10
peri 2.772378578724721E-13 -6.512155082503408E-13 2.420210441026704E-9 -1.807999636425781E-8 1.86701487038226E-8 1.914671387634285E-10
i 1.053896384394968E-16 -1.730807827001532E-16 1.170030623399241E-12 -1.913604250606857E-10 1.914671387634285E-10 1.443987788158665E-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 15.0   n/a MPO435876  
diameter diameter 2.750 km 0.566 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.338   0.143 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19105 (1981 EB15)          Discovered 1981-Mar-01 by Bus, S. J. at Siding Spring
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ 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
1924-Apr-22 19:52 00:02 Iris 0.0458383945628573 0.0458302840465721 0.0458465055737199 3.75836024937147 3.75836021600231 2423898.327814863 2.2451052196664 469.77064469556 55.4339316442659 30.8850975875386 64681.5628257373 T 19 CATAB v2.0f-lin.ifort 2020-Nov-13 02:10:59 2020-Nov-13 02:11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Dec-04 02:16 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin