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19396 (1998 EV1)
Classification: Main-belt Asteroid          SPK-ID: 2019396
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1291753296881622 4.0783e-08  
a 2.719584504120578 1.3241e-08 au
q 2.368281279185985 1.1414e-07 au
i 2.250259511842446 4.0197e-06 deg
node 23.47571822712079 0.00010186 deg
peri 321.2543832266635 0.00010266 deg
M 200.0519809782222 1.4101e-05 deg
tp 2459728.327781347139
(2022-May-28.82778135)
6.5747e-05 TDB
period 1638.14471030926
4.48
1.1963e-05
3.275e-08
d
yr
n .2197608048510176 1.6049e-09 deg/d
Q 3.07088772905517 1.4951e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1367  
   data-arc span      24006 days (65.72 yr)  
   first obs. used      1954-07-31  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .512  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 05:00:50  

Additional Information
 Earth MOID = 1.36135 au 
 Jupiter MOID = 2.32135 au 
 T_jup = 3.346 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456875.5 (2014-Aug-06.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1271098989082282 4.0611e-08  
q 2.375311860942471 1.1324e-07 au
tp 2456444.278204256451
(2013-May-31.77820426)
6.3251e-05 TDB
node 23.60326638485571 0.00010203 deg
peri 320.046715050828 0.00010287 deg
i 2.2489591106308 4.0112e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1367  
   data-arc span      24006 days (65.72 yr)  
   first obs. used      1954-07-31  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .512  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 05:00:50  

Additional Information
 Jupiter MOID = 2.32135 au 
 T_jup = 3.346 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.649270995769586E-15 -4.576378161307353E-15 -2.628141261501874E-13 5.537998988581521E-15 -5.746237325696775E-14 -1.227623140853716E-16
q -4.576378161307353E-15 1.282402711787292E-14 7.042501855465883E-13 -1.408840173862951E-14 1.590740572477943E-13 3.915703896402003E-16
tp -2.628141261501874E-13 7.042501855465883E-13 4.000721849661003E-9 2.784750121245742E-12 8.475984307773013E-10 2.653502579578247E-13
node 5.537998988581521E-15 -1.408840173862951E-14 2.784750121245742E-12 1.041057229627359E-8 -1.040162268624315E-8 -1.290117876091913E-10
peri -5.746237325696775E-14 1.590740572477943E-13 8.475984307773013E-10 -1.040162268624315E-8 1.058123832683961E-8 1.289578246605302E-10
i -1.227623140853716E-16 3.915703896402003E-16 2.653502579578247E-13 -1.290117876091913E-10 1.289578246605302E-10 1.60898668169501E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6   n/a MPO337422  
diameter diameter 4.348 km 0.424 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.178   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19396 (1998 EV1)          Discovered 1998-Mar-02 by ODAS at Caussols
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 EV1 = 1999 NM31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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