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190419 (1999 VO54)
Classification: Main-belt Asteroid          SPK-ID: 2190419
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2237501645563303 4.4617e-08  
a 2.772288393237053 1.797e-08 au
q 2.151988409052658 1.2837e-07 au
i 3.521388926665141 5.1348e-06 deg
node 212.3310004672428 7.8741e-05 deg
peri 154.2130382375455 7.9465e-05 deg
M 224.0782508450544 1.2867e-05 deg
tp 2459837.064611019312
(2022-Sep-14.56461102)
6.431e-05 TDB
period 1685.994047249311
4.62
1.6393e-05
4.488e-08
d
yr
n .2135238855601761 2.0761e-09 deg/d
Q 3.392588377421448 2.199e-08 au
  Orbit Determination Parameters
   # obs. used (total)      365  
   data-arc span      7513 days (20.57 yr)  
   first obs. used      1999-10-03  
   last obs. used      2020-04-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52961  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:07:35  

Additional Information
 Earth MOID = 1.14988 au 
 Jupiter MOID = 2.08067 au 
 T_jup = 3.297 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457208.5 (2015-Jul-05.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2213871492102948 4.4467e-08  
q 2.161883286757521 1.2779e-07 au
tp 2456462.017030161083
(2013-Jun-18.51703016)
4.9639e-05 TDB
node 212.381993846307 7.8898e-05 deg
peri 154.207896199938 7.964e-05 deg
i 3.514525898828091 5.1281e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      365  
   data-arc span      7513 days (20.57 yr)  
   first obs. used      1999-10-03  
   last obs. used      2020-04-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52961  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:07:35  

Additional Information
 Jupiter MOID = 2.08067 au 
 T_jup = 3.297 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.977290370344676E-15 -5.651103489314786E-15 -1.78847453158485E-13 1.068848594078691E-14 -8.263490336238454E-14 -6.827442364009927E-16
q -5.651103489314786E-15 1.633038381676693E-14 6.308977570106608E-13 -3.071521203929462E-14 2.752580609980702E-13 2.35546743363977E-15
tp -1.78847453158485E-13 6.308977570106608E-13 2.464043127924241E-9 1.090160272184889E-11 5.607491617873812E-10 7.077453114081154E-13
node 1.068848594078691E-14 -3.071521203929462E-14 1.090160272184889E-11 6.224823707995582E-9 -6.210534503727353E-9 -5.966019806055439E-11
peri -8.263490336238454E-14 2.752580609980702E-13 5.607491617873812E-10 -6.210534503727353E-9 6.342553239330042E-9 5.97953285619498E-11
i -6.827442364009927E-16 2.35546743363977E-15 7.077453114081154E-13 -5.966019806055439E-11 5.97953285619498E-11 2.6297000814738E-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 16.08   n/a MPCxxxxx  
diameter diameter 4.543 km 1.355 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.031   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

190419 (1999 VO54)          Discovered 1999-Nov-04 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

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